1 RX 300 ELECTRICAL WIRING DIAGRAM

Transcription

1 RX 300 ELECTRICAL WIRING DIAGRAM
P ow er S ou rc e
S tarting a nd Ignition
1
C harg ing
3
2
4
W
B–Y
ACC
IG1 4
B–Y
2 AM1
W–L
B
ST1
7 1C
1 1C
B–W
IG2 6
B
ST2 8
B–W
3 1G
4 1C
W–L
3 1C
5 1B
1 IH1
B–R
1 2H
W–R
3
11 D 18 D
MPX1 MPX2
4
2
RL
15 E
E8 D , E9 E
2
3
Y
B
W–B
B
W–B
B
W–B
B
W–B
B
W–B
ENGINE CONTROL MODULE
4
1
G–B
2
W–R
4
1
I7
IGNITION COIL AND IGNITER NO. 6
3
Y
2
W–R
4
1
I6
3
L–Y
2
W–R
4
1
I5
3
9 II1
6 EC1
W–B
W–B
W–B
W–B
Y
W–B
B
B
W–B
To Engine Control Module
<2–8>
J5
JUNCTION
CONNECTOR
Cowl side panel LH
B
1 B
L
S B
IG B
B A
A
IE
B
W
B
B–R
B
W–L
B
11 B
A
S1 A , S2 B
STARTER
W–R
To Engine Control
Module<2–10>
W–B
W
B
B
B
W–B
W–B
140A ALT
B–W
19 IH1
2
R
1
F9
FUSIBLE LINK BLOCK
3
W–R
Y–G
5
4
1
I4
B
4
3
L–R
W
W
W
B
2
1
W–R
1 2D
1
I3
6 2A
P1
PARK/NEUTRAL
POSITION SW
B–Y
2 2D
6
W–R
1 2I
N
2
N1
NOISE FILTER(Ignition System)
20A AM2
40A AM1
3
1 1A
5
P
STARTER
RELAY
W–R
1
B–W
2
1
W–R
9 IH1
2
5
W–R
See Multiplex
Communication
System<7–18>
B–W
7. 5A ALT–S
50A MAIN
W–L
W–L
6 2C
W–R
I2
2000 LEXUS RX 300 (EWD395U)
9 1G
1
6 1C
From Engine Control Module
<2–8>
W–R
7. 5A STARTER
W–R
I15
IGNITION SW
12 1G
15A ECU–IG
7 AM2
3
2
1
G1 A , G2 B
GENERATOR
EB
Surge tank RH
M
2
25A A/F HTR
W
B–O
W
20A AM2
W
J2
JUNCTION
CONNECTOR
L–Y
J12
JUNCTION
CONNECTOR
W–B
B–R
40A AM1
W
Upper the rear axle
housing left
16 A
W–B
W–B
W–B
L–W
W–B
W–B
W–B
140A ALT
W
7. 5A OBD
IF
Dash panel center
BR–W
BI
F16
FUEL PUMP
Right radiator
side support
L–Y
A
A
5
11 5B
3 5B
W–B
ED
A
2
W–B
2
B–R
F9
FUSIBLE LINK
BLOCK
20A EFI
3 1E
12 1E 3 1L
BR–W
10 5A
8 5A 9 5A
W
1
3 2D 8 2B
1 C
R–L
M
4
5 3E
1 3A
SIL
7
W
2
8 IB1
1
SG
5
W–L
3
1
4
CG
BAT
D4
DATA LINK
CONNECTOR 3
16
W
4 2F 2 2G 4 2B
3
1
2
B
3
E1
+B
12
TE1
D1
DATA LINK
CONNECTOR 1
8
BR–W
BATTERY
W–L
B–R
2
5
B–W
2
B–W
CIRCUIT OPENING
RELAY
5
5 2G
13 1K
R–W
1
5 2B
2
3
1
From Body
ECU<7–11>
1 2I
B–Y
7 2B
4 1C
1
5
1
7 1C
W–B
6 2C
B
B–W
B–O
B–W
B–W
L–R
From Center Airbag
Sensor Assembly
<13–4>
P–B
W
B–W
B–W
L–R
B–Y
B–O
L–W
B–R
B–R
B–R
L–Y
Y–G
BR–W
L–W
3
12 1G
6 1G
6 1F
11
IH1
B–O
4
N
M
L
K
J
I
H
G
F
E
D
C
B
A
(Cont. next page)
P–B
5
1
2
W–R
3 1C
7. 5A
IGN
1 1C 1 1G
W–G
B–O
3
15A HEATER
1 1A
W–L
6 1C
B–Y
B–W
B
B–Y
ST2 8
IG2 6
ST1
IG1 4
B–Y
B–W
I15
IGNITION SW
7 AM2
2 AM1
ACC
2
E ngine C ontrol and E ngine Immobiliser S ys tem
B–O
10 1E
W–L
1
P ow er S ource
B–O
1
2
B–W
2
2 RX 300
M OVERALL ELECTRICAL WIRING DIAGRAM
BR–W
W
C12 A , C14 C
MALFUNCTION
INDICATOR LAMP
[COMB. METER ECU]
Y–G
B–W
7. 5A STARTER
A/F HEATER
RELAY
B–W
B–R
L–W
B–R
EFI RELAY
2 RX 300 (Cont’ d)
(Cont. next page)
E ngin e C ontrol and E ngine Immobiliser S y stem
5
A
B
C
D
L–W
L–R
L–R
From Ignition Coil and Igniters
<1–3>
See Charging System
<1–4>
L–R
1
2
To Ignition Coil and Igniters
<1–2><1–3><1–4>
1
15 E
MPX1
B
11 D
G–B
MPX2
Y
18 D
L–Y
4 C
#60
Y–G
3 C
#50
L–R
G
2 C
#40
B–Y
R
1 C
#30
I13
INJECTOR NO. 6
1
2
L
6 B
#20
L–R
1
2
B
Y
W
5 B
#10
2
I12
INJECTOR NO. 5
1
L–R
2
I11
INJECTOR NO. 4
1
I10
INJECTOR NO. 3
I9
INJECTOR NO. 2
I8
INJECTOR NO. 1
B–O
FC
3 D
HTS
9 E
OXS
8 E
11 C 12 C 13 C 14 C 15 C 16 C 25 C
RL
IGT1
IGT2
IGT4
IGT3
IGT5
IGT6
E01
E02
IGF
AFL+
AFL–
CCV
ACIS
10 D
ACI1
17 C
ACM1
15 B
EVP1
11 A
RSO
7 B
26 C
21 C 31 C
G
2
1
1
3
V4
VSV(EVAP)
1
2
V3
VSV(ACM)
1
2
2
1
2
W–B
2
V2
VSV(ACIS No. 2)
4
V1
VSV(ACIS No. 1)
2
V11
VSV(Canister
Closed Valve)
3
(*1)
4
1
1
W–B
G
I1
IDLE AIR CONTROL VALVE
Y–R
W–L
L–Y
18 IH1
LG
R–Y
B–W
L
2
B–R
B–R
B–R
B–R
B–R
B–R
B–R
B–R
BR
4 EB1
BR–W
G
E1
4
3
(*1)
+B
2
1
A12
AIR FUEL RATIO SENSOR
(Bank 2 Sensor 1)
OX
G
3
HT
A11
AIR FUEL RATIO SENSOR
(Bank 1 Sensor 1)
H9
HEATED OXYGEN SENSOR
(Bank 1 Sensor 2)
W
1
R
7 IA2
B
8 IE2
HAFL
4 B 12 B 21 B
W–B
L
8 IA2
HAFR AFR+ AFR–
3 B 11 B 20 B
W
B
L–Y
W–B
2 EB1
B–R
B–R
B–R
B–R
B–R
B–R
B–R
B–R
Y–G
L–Y
(*1)
B–R
(*1)
B
C
D
E
B–R
BR
B–R
19
IA2
BR–W
8
IH1
BR–W
BR–W
F
W–B
L–W
W–B
N
B–Y
W
6 D
Y–G
L–W
M
B–W
4 D 20 E 8 D 1 D 2 D
SIL
NSW MREL BATT IGSW
L–W
L
B–W
W
5 E
TC
L–W
K
L–R
E 5 A , E 6 B , E 7 C , E 8 D , E 9 E ENGINE CONTROL MODULE
Y–G
A A
16 D
+B
P–B
C B
J3 B , J4 A
JUNCTION CONNECTOR
A A
L–W
L–W
C B
3 E
TBP
L–W
L–W
L–R
V12
VSV(Pressure Switching Valve)
2
1 IB1
2
L–R
W
P–B
1
I
L–R
L–R
B–W
L–W
J
L–R
B–W
L–R
H
A
B–Y
L–R
G
B–O
L–R
F
8
See Multiplex Communication
System<7–18>
E
* 1 : Shielded
7
6
BR–W
Surge tank RH
EB
M
1
9 IE2
L
W
2
1
NE+
16 B
B
(*1)
W
K1
KNOCK SENSOR 1
1
B
(*1)
(*1)
1
(*1)
W–B
Rear side of
surge tank
W–B
W–B
(*1)
BR
A
BR–W A
F
E
C
B–R
W–B
A
BR
J10
JUNCTION
CONNECTOR
(*1)
(*1)
A
A
(*1)
A
A
(*1)
A
See Automatic Air
Conditioning System
<23–3>
(*1) A
EC
W–B
(*1) A
E05
E04
E03
8 B 1 B 30 C
LCKI
K2
KNOCK SENSOR 2
W
W–B
10 A
E1
17 B
ACMG
2 EA1
4 EA1
W
3 EA1
STA
7 D
(*1)
1 EA1
From
Park/Neutral
Position SW<1–2>
B
KNKR
27 C
OC2–
18 C
1
2
C4
CRANKSHAFT POSITION
SENSOR
OC2+
OC1–
29 C
5 C
IMLD
22 D
G–O
KSW
23 E
L
O
VV1
10 C
NE–
24 B
W
B
From Stop Light SW
<5–2>
(*1)
6 E
V–W
See Multiplex
Communication
System<7–18>
To Unlock
Warning SW
<7–11>
W
STP
12 IJ1
V–W
9
To Combination
Meter ECU<21–2>
OC1+
1
2
Y–B
C2
CAMSHAFT TIMING OIL
CONTROL VALVE RH
6 C
G–W
SPD
C1
CAMSHAFT TIMING OIL
CONTROL VALVE LH
22 E
1
2
G–R
15 D
L–W
G–Y
G–W
1
2
VC
2 B
23 B
VTA1
E2
L–W
V
W
KNKL
28 C
3
P
O
V6
VVT SENSOR RH
E 5 A , E 6 B , E 7 C , E 8 D , E 9 E ENGINE CONTROL MODULE
4
28 E 19 E 18 E
GR
CODE RXCK TXCT
2
1
5
CODE PXCK TXCT
+B
T6
TRANSPONDER
KEY AMPLIFIER
ANT1
TRANSPONDER KEY COIL
ANT2
GND
W–B
THW
2
1
14 B
BR
G–W
G–Y
Cowl side panel LH
J5
JUNCTION
CONNECTOR
1
PS
9 B
MOPS
17 A
TACH
27 E
E2G
THA
VV2
22 C
L
D
16 IM1
Y–B
From FAN NO. 1 Relay
or FAN NO. 2 Relay
<22–3>
R–W
Y–B
1
VTA VC
T2
THROTTLE POSITION
SENSOR
18 B
BR
3
11
L–W
E2
ENGINE COOLANT TEMP. SENSOR
L–W
To Combination Meter
ECU<21–2>
(*1)
Y–B
BR
A
O
V5
VVT SENSOR LH
BR
10
E n gine C ontrol and E ngine Immobilis er S ystem
O
B–W
Y–B
2
BR
E2
BR
BR
2 RX 300 (Cont’ d)
O1
OIL PRESSURE SW
2
IH1
3 IH1
BR
BR
17 IM1
BR
V9
VAPOR PRESSURE
SENSOR
Y–G
CF
15 IM1
2
3
1
Y–B
BR
L–O
B–Y
26 E
3
L–O
VG
4
BR
W–B
5
Y–R
M1
MASS AIR FLOW
METER
PTNK
L–B
17 D
2
1
G–B
10 B 22 B 19 B
B–R
P4
POWER STEERING
OIL PRESSURE SW
12
* 1 : Shielded
A
IE
W–B
MEMO
D
A
A
W–B
R8
TAILLIGHT LH
[REAR COMB. LIGHT LH]
G–O
4 BC2
G–O
1
2
D
D
J13
JUNCTION
CONNECTOR
IL
C
R9
TAILLIGHT RH
[REAR COMB. LIGHT RH]
4
A
1
W–B
A
W–B
Upper the rear axle
housing left
G–O
W–B
1
C
4
G–O
5 BD1
G–O
J11
JUNCTION
CONNECTOR C
C
G–O
T–
9
GND
G–O
11
4
L2
LIGHT FAILURE SENSOR
3
G
T+
5 IA1
1
5 3E
B–Y
1 3A
R–W
13 1K
7 1C
15A
HEATER
C14
REAR LIGHTS
WARNING LIGHT
[COMB. METER ECU]
R–L
18
R–Y
13 IE1
4
R–Y
BN
W–B
G–O
R–Y
R7
TAILLIGHT LH
BI
A W–B
2
W–B
BM
1
2
J15
JUNCTION
CONNECTOR
R20
REAR SIDE MARKER LIGHT RH
G
10 IA1
F3
FRONT SIDE MARKER LIGHT LH
3
4 1J
2
F9
FUSIBLE LINK BLOCK
140A ALT
W
BATTERY
W
3
1 1A
1
2
6 1C
W–L
5
5
1
See Illumination System
<4–1>
40A AM1
J2
JUNCTION
CONNECTOR
W–B
ED
W–B
1
G–W
2
13 EC1
4 1B
I15
IGNITION SW
ST2
IG2
AM2
W–L 2 AM1
G–W
A
10A
TAIL
B–Y
IG1 4
ST1
ACC
1
2
W–B
P2
PARKING LIGHT LH
G–W
EA
P3
PARKING LIGHT RH
TAILLIGHT
RELAY
1
P ow er S ource
W–B
A
W–B
2
G
1
G
12 EC1
G
G–W
3 RX 300
J1
JUNCTION
CONNECTOR
1
4 1H
F4
FRONT SIDE MARKER LIGHT RH
11 1B
2
W–B
2
G
Right radiator side
support
G
W–B
A
G
4 BD1
G
Engine compartment
right
1
B
9 BC2
G
L1
LICENSE PLATE LIGHT
B
J11
JUNCTION
CONNECTOR
B
B
G
Under the rear
RH seat
B
G
J12
JUNCTION
CONNECTOR
A
1
R19
REAR SIDE
MARKER LIGHT LH
G
W–B
A
W–B
2
3
G
T aillight
Back panel center
IG
R10
TAILLIGHT RH
7. 5A
GAUGE
8
D B
E A
2 1H
J14
JUNCTION
CONNECTOR
A
W–B
2
W–B
1
G–O
J3 B , J4 A
JUNCTION CONNECTOR
R–L
R–L
4 RX 300
P ow er S ource
Illumination
1
3
2
5
7. 5A PANEL
1
TAILLIGHT
RELAY
4 3D
5 3A
8 3G
1 3H
7 3H
8 3I
2 3J
8 3K
9 3K
2 3H
G
2
1 1A
12 3A
4
3
4 1J
7 1K
8 IK2
G
G
G
G
G
G
6
3
2
1
4
G3
GLOVE BOX LIGHT
W–G
1
4
1
2
W–B
W–G
W–G
W–G
W–G
W–G
W–G
W–G
Y
G–R
3 IK2
8
5
S22
SEAT HEATER SW
(Front Passenger’ s Seat)
4
4
S21
SEAT HEATER SW
(Driver’ s Seat)
1
1
T5
TRACTION CUT SW
ILLUMINATION
E4
ELECTRONICALLY CONTROLLED
TRANSMISSION PATTERN
SELECT SW ILLUMINATION
9
2
I16
INSTRUMENT CONTROL
PANEL ILLUMINATION
2
8
O2
O/D MAIN SW
ILLUMINATION
1
C11
CIGARETTE LIGHTER
ILLUMINATION
H7
HAZARD SW
TAIL
16 A
3
G
G
BODY ECU
A28
ASHTRAY ILLUMINATION
B5 A , B8 D
5
140A ALT
14
T
H
W–G
W
BATTERY
LIGHT
CONTROL
SW
7 D
TRLY
F9
FUSIBLE LINK
BLOCK
G
G
W
G–W
G
EL
OFF
2 3F
TAIL
7 3A
1 3G
7 3D
4 3H
6 3D
5 3F
1 3K
4 3F
10 3H
HEAD
C17
COMBINATION
SW
16
E
TC
W–B
RV
T
J5
JUNCTION
CONNECTOR
Cowl side
panel RH
IE
BR–W
10
B ET
12
ILL– C
2
B–R
14
B TC
22
E2 C
4
Y
6
B TR
LG–B
7
B ILL+
3
W
8
3E
W–B
10
3E
9 3H
W–B
R6
RHEOSTAT
A
1
C13 B , C14 C
COMBINATION METER ECU
Instrument panel
brace RH
IH
M
40A AM1
G–W
W
11 5E
G–O
1
To Engine Control
Module<2–9><19–3>
12 5E
5 5E
3 5C
G–R
4 5B
To ABS and Traction
ECU(*1)<16–6>
To ABS ECU(*2)<17–4>
5 5B
G–Y
G–B
140A ALT
G–W
G–O
F9
FUSIBLE LINK BLOCK
W
H10
HIGH MOUNTED
STOP LIGHT
To Shift Lock ECU
<10–3>
To Body ECU<7–14>
G–W
G–W
20A STOP
BATTERY
G–R
G–Y
W–B
R8
STOP LIGHT LH
W–B
BM
Upper the rear
axle housing left
W–B
W–B
W–B
BI
W–B
J14
JUNCTION
CONNECTOR
BN
A
1
2
A
A
W–B
Under the rear
RH seat
A
W–B
BN
R10
STOP LIGHT RH
J15
JUNCTION
CONNECTOR
A
R7
STOP LIGHT LH
W–B
A
J13
JUNCTION
CONNECTOR
11 BC2
B13
BACK–UP LIGHT RH
Back panel center
A
R9
STOP LIGHT RH
J12
JUNCTION
CONNECTOR
4
3
6 IA1
W–B
Back panel
center
A
A
1
2
J8
JUNCTION
CONNECTOR
B12
BACK–UP LIGHT LH
A
A
G–R
20 IH1
C
R–B
A
A
11
GND
IG
8
D B
JUNCTION
CONNECTOR
J3 B , J4 A
C
R–B
W–B
J14
JUNCTION
CONNECTOR
4
G–R
1
3
3
3 BD1
A
A
G–R
1
G–R
3
G–R
A
G–R
B
B
J11
JUNCTION
CONNECTOR
2
5 3E
E A
8
2
10 IH1
R–B
2
J13
JUNCTION
CONNECTOR
B
5 BC3
G–R
G–R
1
3 BC2
1
ST–
R–L
1 3A
2 1H
7. 5A
GAUGE
2 1G
R–L
R–B
3
S9
STOP
LIGHT SW
G–W
2
G–W
HS–
R–Y
IL
4
1
13 1K
15A
HEATER
7 1C
R–L
ST+
L2
LIGHT FAILURE SENSOR
R–Y
5 IA1
18
C14
REAR LIGHTS
WARNING LIGHT
[COMB. METER ECU]
9 IA1
7
13 IE1
R–Y
R–W
R–B
5
1 1E
* 1 : w/ Traction Control
* 2 : w/o Traction Control
B–Y
4
B ack– U p Light
R–B
1 1A
B–Y
3
R–L
1
ST2
IG2
ST1
IG1 4
ACC
I15
IGNITION SW
AM2
2 AM1
2
S top L ight
P1
BACK–UP LIGHT SW
[PARK/NEUTRAL
POSITION SW]
R–L
R–B
2
W–L
1
P ow er S ource
W–L
6 1C
5 RX 300
W–B
W–B
6 RX 300
P ow er S ourc e
T urn S ignal and H az ard W a rning
1
H orn
3
2
4
W
W
G–W
ACC
2 AM1
IG1 4
2 2B
1 2I
B–Y
IG2
G–B
7. 5A
GAUGE
ST2
G–Y
G–W
W–L
I15
IGNITION SW
2
8 1E
3
LR
LL
T7
TURN SIGNAL FLASHER
1
5
1
4
IG
HORN
RELAY
+B
R–L
3
EHW
2
EL ER
8
6 5D
TL
7 5D
3 5F
3
TR TB
C15
HORN SW
[COMB. SW]
EA
G–W
Under the rear
RH seat
To Body ECU
<7–14>
G–W
J1
JUNCTION
CONNECTOR
BM
H5
HORN LH
Engine compartment
right
B
B
W–B
Instrument panel
brace RH
1
W–B
From Body ECU
<7–11>
B
J7
JUNCTION
CONNECTOR
A
J15
JUNCTION
CONNECTOR
6
W–B
LG–B
W–B
IH
W–B
H6
HORN RH
7
W–B
F6
FRONT TURN SIGNAL
LIGHT RH
W–B
Upper the
rear axle
housing
left
GR
G–Y
BI
6
B1
9 3H
W–B
ED
1
E
W–B
6 3A
9 5E
C17
2
TURN SIGNAL SW
[COMB. SW]
1
2
A
W–B
Right radiator
side support
A
G–Y
W–B
A
J2
JUNCTION
CONNECTOR
4
H7
5 HAZARD SW
F
W–B
J12
JUNCTION
CONNECTOR
A
G–Y
W–B
BATTERY
10 3E
C12 A , C14 C
TURN SIGNAL
INDICATOR LIGHT
[COMB. METER ECU]
W–B
22 C
2
6 II1
R9
REAR TURN SIGNAL LIGHT RH
G–Y
W
4
10 A
LH
1
11 A
RH
3
2
20 IM1
4 IE2
G–B
G–B
F5
FRONT TURN SIGNAL
LIGHT LH
2
R7
REAR TURN SIGNAL LIGHT LH
G–B
140A ALT
F9
FUSIBLE LINK BLOCK
3 IE2
G–Y
11 IA1
G–Y
5 II1
G–B
G–B
G–B
W
5
RH
W–R
W–R
LH
1
W–R
2 5E
G–W
11 5C
G–W
10 5C
W–B
1
19 IE1
6 2B
7
R–Y
1
1 1A
2
1 2E
GND
6
R–B
1 5E
5
GR
5 5C
40A
AM1
W
G–Y
G–B
6 1C
6 5E
10A HORN
R–L
7 1C
AM2
15A HAZARD
ST1
IF
Dash panel
center
M
7 RX 300
L–B
1
20A D RR DOOR
F9
FUSIBLE LINK
BLOCK
6 1B
W
20A P FR DOOR
2 1J
F1
FRONT FOG LIGHT LH
R–B
20A FL DOOR
1
2
20A P RR DOOR
H2
HEADLIGHT LH(Low Beam)
W
ED
W–B
W–B
W–B
10A TAIL
R
15A FR FOG
R–B
W
BATTERY
Right radiator
side support
A
R
J2
JUNCTION
CONNECTOR
1
2
EA
A
1
2
W–B
Engine compartment
right
J1
JUNCTION
CONNECTOR
4
3
1 2B 1 2G
6 2F
H4
HEADLIGHT RH(Low Beam)
EA
A
1
2
4 2G
3 2F
R–L
ED
A
SHORT PIN
1 2I
3 2A
3
1
3
4
L–B
1 2A
R–B
R
R–B
R–Y
R
W–R
L–B
G–W
L–B
BR–W
B–Y
P
L–Y
L–W
W–B
Engine
compartment
right
A
14 IE1
R–B
Right radiator
side support
J2
JUNCTION
CONNECTOR
7. 5A ECU–B
7 1B
W–R
4 2A
R
2
L–B
2 2A
3
2
R
R
2
1
R–B
1
3 EC1
R
4 EC1
4
3
R
2
TAILLIGHT
RELAY
FOG
LIGHT
RELAY
5
3
3
15A H–LP L LWR
5
1
1
2
4 1J
R–B
140A
ALT
40A AM1
3
1
2
6 1C
3
M ultiplex C ommunication S ystem
15A H–LP R LWR
3
L–B
3 1H
G–W
ST2
IG2
ST1
BR–W
IG1 4
P
B–Y
L–Y
2
ACC 3
I15
IGNITION SW
AM2
2 AM1
L–B
L–W
R
R
R–B
5
L–W
8 1D
L–Y
7 1J
W–L
1 1A
12 1D
1
P ow er S ource
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
(Cont. next page)
J1
JUNCTION
CONNECTOR
DRL NO. 2
RELAY
HEAD LAMP RELAY
50A MAIN
10A DOME
W
F2
FRONT FOG LIGHT RH
7 RX 300 (Cont’ d)
(Cont. next page)
M ultiplex C ommun ication S y stem
A
B
C
D
E
F
G
H
I
J
L–Y
L–Y
P
B–Y
B–Y
L–B
BR–W
W–R
G–W
ACC
W–R
18 D
R
FFGO BSUB TRLY
6 D
4 D
DRL
HRLY
7 D 14 A 12 A
C
D
E
F
BODY ECU
ILE
5 C
10 C
R
I14
IGNITION KEY
CYLINDER LIGHT
2 5B
R–W
R
R
F14
FRONT INTERIOR
LIGHT
ON
OFF
DOOR
P6
PERSONAL LIGHT
R–W
Back panel center
2
W–B
3 ID1
8 ID1
R–W
A
J14
JUNCTION
CONNECTOR
BN
R
2
W–B
1
W–B
W–B
A
2
W–B
1
2
W–B
DOOR
OFF
ON
W–B
W–B
R–Y
1
R17
REAR INTERIOR
LIGHT
1
V7
VANITY LIGHT LH
3
1
V8
VANITY LIGHT RH
2
1 BC2
R
R
W–R
R–B
W–B
5 5F
R
W–R
D6
DIODE
(Rear Interior
Light)
2
R
W–B
2
B9
BACK DOOR COURTESY SW
W–R
W–B
3
R–B
2
1
R
4
A B
J3 B , J4 A
2
C A
1
DRL
NO. 4
RELAY
1
R
JUNCTION CONNECTOR
2
1
2
R–W
R
R
R–B
C A
3
3
H3
HEADLIGHT RH
(High Beam)
R–Y
W–B
2
R–W
3
1
D2
DAYTIME RUNNING
LIGHT RESISTOR(USA)
2
1
2 ID1
6 5F
1
R–Y
1
R
3
D2
SHORT CONNECTOR
(Canada)
DRL
NO. 3
RELAY
G–W
R–W
R
3
4
R–B
3
2
R–W
R–L
3
9 5B
L–B
2
2
1
8 5B
R
5 BC2
R
5
GR
LG
3
6 5C
BR–W
3
3
8 5E
W–R
2
2
R–B
H1
HEADLIGHT LH
(High Beam)
2
8 EC1
H
R
R
7. 5A
DRL
15A H–LP L UPR
1
1
G
R
R–Y
13 IA2
W–R
1
14
IJ1
R
W–R
2
G–Y
R
R–B
G–W
R–B
W–B
BCTY
R–B
L–B
2 1C
BR–W
R–Y
6 1J
Q
B
B5 A , B6 B , B7 C , B8 D
L–B
3
P
A
L–B
15A H–LP R UPR
N
O
L–B
L–W
7. 5A RADIO NO. 2
M
8
L–W
GR
L
7
6
P
K
5
L–B
J5
JUNCTION
CONNECTOR
IE
Cowl side
panel LH
M
H
G
F
E
D
C
B
A
R
R–B
7 B
FFOG
W–R
L–B
B–Y
L–Y
L–W
L–B
20 C
HF
R
G–Y
LIGHT
CONTROL
SW
DIMMER SW
FOG
LIGHT
SW
C17
COMBINATION SW
10
LG
17
J5
JUNCTION
CONNECTOR
LG–R
Cowl side panel LH
W–B
W–B
EA
W–B
W–B
IF
RSSI
17 B
Dash panel center
3
VCC
4
CODE
BL
1
E
SQ
5
17 IA2
16 IA2
18 IA2
W–B
Engine compartment
right
RCO
15 B
W–B
IE
E3
ENGINE HOOD COURTESY
SW
J1
JUNCTION
CONNECTOR
A
B
J7
JUNCTION
CONNECTOR
RDA
16 B
BZR
1
3 C
2
Left rear
quarter panel
W6
WIRELESS DOOR
LOCK ECU
12
BZR2
W–R
L–B
B–Y
L–Y
2 C
R–B
R
L–B
L–W
LG–R
GR
A
16
B
2
1
From Engine Control
Module<2–9>
ON
2
1
R–L
OFF
FLASH
LG–R
15 IE1
T1
THEFT DETERRENT
HORN
LOW
R–L
D1
DATA LINK
CONNECTOR 1
1 EC1
KSW
8 C
L
HIGH
P
HU EL
R–B
Y–R
TC
1
LG–B
11
13 5C
1 II1
HCTY
6 C
R–L
A29
AUTOMATIC LIGHT
CONTROL SENSOR
SH
5 A
L
AUTO
A
R–Y
CLTE
HAZ
11 D
L
TAIL
G–R
L–Y
T
7
R–W
LG
12
4 5E
R
CLTB
P–B
2 5F
W–L
CLTS
3
OBD2
4 C
LG–B
1
TC
16 C
LG–B
4
9 D
L
4 5A
CLTB
12 D
L
3 5A
CLTS
21 D
L–Y
GR
HEAD
14
R–W
HU
5 B
LG
BUZZER
H
13
A
4 B
B5 A , B6 B , B7 C , B8 D
BODY ECU
CLTE
11
LG
BFG LFG HF HL
8
TAIL
16 A
10
I
H
G
F
E
D
C
B
A
(Cont. next page)
W5
WIRELESS
DOOR LOCK
BUZZER
OFF
15 A
11
9
HEAD
7 RX 300 (Cont’ d)
U1
UNLOCK WARNING SW
To Hazard SW<6–3>
To Data Link Connector 3
<2–4>
7 RX 300 (Cont’ d)
(Cont. next page)
A
B
C
D
E
F
13
L–B
15
14
16
L–B
L–W
L–W
L–Y
L–Y
B–Y
B–Y
L–B
L–B
W–R
W–R
A
B
C
D
E
F
B5 A , B6 B , B7 C , B8 D
LSWA
BDSL
17 A
BDSU
19 B
DBKL
18 B
PKB
7 C
BLVL
HORN
17 C
19 C
10 B
9 C
17 D
MPX2
STPI
18 C
R–B
R
5 3E
4
M
3
L–Y
12
ON
2
Y–R
W–B
WASH2
W–B
2
W–B
1
C16
REAR WIPER
AND WASHER SW
[COMB. SW]
W–B
10 3E
S17
SEAT BELT
WARNING
OCCUPANT
DETECTION
SENSOR
B15
BUCKLE
SW RH
W–B
4 IE1
J7
JUNCTION
CONNECTOR
B
16 BF1
W–R
17
1
W–B
A
9 BF1
G–W
A
WASH1
INT
22
Y–R
4
B
LG–R
Y–R
Back panel
center
A
BN
A
J9
JUNCTION
CONNECTOR
W–B
Under the left
center pillar
BJ
IG
Cowl side
panel RH
W–B
J14
JUNCTION
CONNECTOR
J
9 3H
IH
A
W–B
W–B
A
I
G–W
10
EW C1R +1R WR
J18
JUNCTION CONNECTOR
W–B
SEAT BELT
BUZZER
OPEN DOOR
13
H
2 IK2
L–Y
1
G–W
R–L
Y–B
5
23 II1
OFF
20
14 1D
2
G
F10
FRONT PASSENGER’ S SEAT
BELT WARNING LIGHT
MPX–
12
W2
WASHER MOTOR
MPX+
R–L
L–W
1 3A
9 1B
16 BE1
I
13
C14
COMBINATION
METER ECU
LG–R
W–B
A
L–W
R
A
R–W
21
W–B
B11
4
BACK DOOR UNLOCK
DETECTION SW AND
BACK DOOR LOCK
MOTOR
J17
JUNCTION
CONNECTOR
1
W–B
LOCK
M
4
14
HIGH BEAM
3
RWW
13 C
L–Y
9
W–B
2
B10
BACK DOOR KEY LOCK
AND UNLOCK SW
UNLOCK
1
B14
BUCKLE SW LH
LG–R
L–W
GR
L–R
L–B
3
R–B
G–W
1
2
3 3D
From Stop Light SW
<5–2>
7 BC2
From RR DEF Relay or
MIRROR HEATER Relay
<20–2>
8 BC2
From Heater Relay
<23–2>
LG–R
6 BC2
1
From HORN Relay
<6–4>
L–W
6 BC3
B1
BRAKE FLUID LEVEL
WARNING SW
GR
2 BC3
P5
PARKING BRAKE SW
L–R
G–W
L–B
9 BE1
2
1
RWLS
12 C
L–Y
10 IB1
21 C
GR–L
9 IB1
RWC1
PWR
8 D
See Electronically
Controlled
Transmission and A/T
Indicator System<19–6>
3 IB1
6 IA2
15 D
GR–R
R
G–O
BR–Y
L–O
W–R
R–W
R–B
G–W
LG–R
L–W
GR
L–R
L–B
9 3F
14 IA2
5 IA2
SNOW
20 D
B–O
H
RDR–
6 A
I16
INSTRUMENT CONTROL PANEL
G
RDR+
1 A
BODY ECU
HR
DFG
Instrument panel
brace RH
IF
J15
JUNCTION
CONNECTOR
Dash panel center
BM
Under the rear RH seat
M
4 A
7 A
RWSW
3 A
L
L–O
L–W
L
L–O
L–W
L–O
L–W
W–B
W–B
W–B
W–B
IH
Instrument panel
brace RH
Y–R
Back panel
center
A
IE
A
W–B
BN
Y–R
W–B
12 IC1
W–B
5 IC1
GND
25
Cowl side
panel LH
J5
JUNCTION
CONNECTOR
L–Y
A
13 3F
MPX1
G–B
Y–R
W–B
3
T4
THEFT DETERRENT INDICATOR
LIGHT
W–B
R23
REAR WIPER
MOTOR
LG
10
6 1E
13 1K
L–W
D17
DRIVER DOOR ECU
15A RR WIP
10 3F
Y
M3
MOON ROOF
CONTROL ECU
L–Y
R–W
11 3F
MPX1
11
2
MPX1
BECU
2 A
3 1B
9 EC1
R–L
R–L
10 1K
6 3F
10 3A
1 3I
1 1D
SIG
5
4 IC1
R–L
M
2
L
1
1
LG
E8
ENGINE
CONTROL
MODULE
W–R
4
W–B
W–R
MPX2
18
7 ID1
WIG
8 A
15A HEATER
IMLD
W–R
22
3 IJ1
W–R
IG
5 D
7 1C
20A WASHER
1 BC3
3
LG
MPX1
11 A
B–Y
7. 5A GAUGE
4 BC2
IND
16 D
19
R–L
3 BC3
12 IA1
2 D
LG
7 IA1
9 A
BODY ECU
GND1
GND2
B5 A , B6 B , B7 C , B8 D
18
L–W
J14
JUNCTION
CONNECTOR
RWLM
17
R–B
2 IA1
R–L
L–W
R–W
RWIG
W–R
L–B
B–Y
L–Y
L–W
L–B
2 1H
20
R–L
J
I
H
G
F
E
D
C
B
A
7 RX 300 (Cont’ d)
7 1D
2 1D
Y
G–B
R–L
R–L
R–L
W–R
L–B
L–Y
L–W
L–B
J
I
H
G
F
E
D
C
B
A
(Cont. next page)
LOCK
R–L
UNLOCK
WINDOW
LOCK SW
DOWN
UP
AUTO
AUTO
UP
REAR RH
DOWN
AUTO
UP
REAR LH
DOWN
AUTO
UP
FRONT RH
DOWN
R–L
7 RX 300 (Cont’ d)
(Cont. next page)
A
B
C
D
E
21
L–B
23
22
24
L–B
L–W
L–W
L–Y
W–R
L–B
R–L
W–R
R–L
Y
G–B
G–B
G–B
L–R
R–L
L–R
G–B
W
G–B
E
F
G
H
I
J
MPX1
4 IA1
2
1
3
4
1 BA1
2 BA1
W
P18
POWER SEAT ECU
(Driver’ s Seat)
10 IC1
D
W
9 IC1
10
9 IA2
G–B
3 BA1
9 IC2
C
15 BE1
M
Y–B
2
B
G–B
D13
DOOR LOCK MOTOR AND
DOOR UNLOCK DETECTION SW
REAR LH
7 5B
L–R
R–L
1
L–Y
5
V
3
M
11 IA2
G–B
4
6 IC1
V
PULSE
SENSOR
R–L
L–B
H
LIMIT SW
G
R–L
3 5D
9 5D
Y–B
1 IA1
F
J3 B , J4 A
L–R
L–Y
R–L
10 BA1
11 BA1
5 BA1
9 A
BDR
11 A
SIG
D17
DRIVER DOOR ECU
A+
13
A–
2
19
16
24
17
CYL
23
21
4
CTY
8 A
DN
1 B
UP
3 B
A–
PLS
LMT SGND
7 B 2 B 6 B
15 A
LSW LSWE
4 A
CPUB
PWE PCTO
21 A 10 A
MPX2
MDN
23 A
Y
6
MANUAL
UP
AUTO
22 A
Y–R
3
MUP
24 A
Y–G
2
L–O
BR–W
B
Y
L
R
G
G–W
R–B
1
D11
DOOR COURTESY SW
REAR LH
2
13 BA1
CTYE
18 A
R–W
2
GND
25 A
W–B
G–W
R–B
1
D7
DOOR COURTESY LIGHT
FRONT LH
1
L–B
2
R–B
UNLOCK
LOCK
4
5
MANUAL
DOWN
M
AUTO
UP
AUTO
DOWN
R–B
W–B
D15
DOOR LOCK MOTOR, DOOR UNLOCK DETECTION
SW AND DOOR KEY LOCK AND UNLOCK SW
FRONT LH
CTYB
D9
DOOR COURTESY SW
FRONT LH
3
1 A 17 A 19 A
A+
R11 A , R12 B
REAR DOOR LH ECU
CTYE
R–W
4
CTY
GR–R
6
LSWE
GR
5
LSW
P–L
1
KUL
P
M
6
L–Y
L–R
2
KL
13 A
PCTI
W
14 A
G–B
MPX1
GR–R
5 A
MPX2
GR
11
CPUB
L–B
18
L–R
9
W/L2
Y–B
DN
R–L
15
L–Y
UP
V
1
SGND
V
12
G–B
PLS
L–R
20
LMT
G
8
BDR
R
14
LG–R
Y
LG–B
J
G–B
LG
I
L–B
D B
JUNCTION CONNECTOR
G–B
E A
P9
POWER WINDOW MOTOR
FRONT LH
8 5D
A
BJ
POWER WINDOW MOTOR REAR LH
Under the left
center pillar
P7
POWER WINDOW CONTROL
SW REAR LH
M
I
L–R
L–R
G–B
Y
R–L
R–L
W–R
25
R–L
L–R
W
R–L
L–R
W
R–B
D12
DOOR COURTESY SW
REAR RH
R–Y
R–L
L–R
W
G
W–B
W–B
Y
L
POWER WINDOW MOTOR
REAR RH
LG–B
PULSE
SENSOR
G
LIMIT SW
W–B
M
6
A–
KL
KUL
1
19
2
6
LOCK
LSW
3
16
D16
DOOR LOCK MOTOR, DOOR UNLOCK
DETECTION SW AND DOOR KEY LOCK
AND UNLOCK SW FRONT RH
5
2
L–Y
Cowl side panel RH
P10
POWER WINDOW MOTOR FRONT RH
5
A+
13
UNLOCK
W–B
IG
A
3
LG
4
BDR
14
GR
P8
POWER WINDOW CONTROL
SW REAR RH
R
M
1
SGND
12
L–R
AUTO
DOWN
2
PLS
20
CPUB
CTYB
F15
FRONT PASSENGER DOOR ECU
18
21
UNLOCK
W–B
BK
Under the right center pillar
R
12 IL1
8
LMT
CYL
4
P
AUTO
UP
5
W–B
MANUAL
DOWN
DN
15
SIG
5
P–L
13 BB1
4
UP
MPX2
PCT
1
11
7
LSWE
4
24
CTY
1
2
17
R–W
6
MANUAL
UP
L–O
3
Y–G
2
25
GND
MPX1
MPX2
AUTO
22 A
10
4 A
MDN
23 A
CPUB
15 A
R–W
MUP
24 A
LSWE
Y
PWE PCTO
21 A 10 A
LSW
POWER WINDOW
CONTROL SW
DOWN
M
PLS
LMT SGND
7 B 2 B 6 B
B
UP
3 B
A–
1 A 17 A 19 A
1 IL1
9 IL1
LOCK
DN
1 B
REAR DOOR RH ECU
A+
2
DOOR LOCK
CONTROL SW
28
23
CTYE
AUTO
GND SEL1
25 A 20 A
R13 A , R14 B
L–W
13 A
L–R
BDR
L–B
14 A
GR
CTYE
GR–R
18 A
G–B
CTY
Y–R
8 A
4 IL1
R–L
SIG
10 IL1
7 IL1
Y–R
9 A
L–W
5 IL1
G–B
L–R
10 BB1
Y–R
Y
2 BB1
1
L–B
PCTI
13 IM1
3 1D
10 1G
9 1D
D8
DOOR COURTESY LIGHT
FRONT RH
L–B
G–W
11 A
11 IM1
Y–R
W–L
MPX1
1
L–R
L–B
5 A
2
Y
3 BB1
3
R–L
1 BB1
4
M
6 1H
L–B
W–R
W–L
5 BB1
2
1 IM1
G–B
27
L–B
11 BB1
10 IM1
L–W
2 IM1
G–B
10 BD1
1
D14
DOOR LOCK MOTOR AND
DOOR UNLOCK DETECTION SW
REAR RH
26
G–B
J
L–B
L–W
W–L
H
G
F
E
D
C
B
A
7 RX 300 (Cont’ d)
R–B
D10
DOOR COURTESY SW
FRONT RH
R–B
UP
GR–R
LG–R
J9
JUNCTION
CONNECTOR
BR–W
MEMO
W–L
140A
ALT
W
3
5
F9
FUSIBLE LINK
BLOCK
GR
W
GR
40A AM1
W
A
15A CIG
W–B
W–B
W–B
F11
FRONT POWER OUTLET
W–B
15A
PWR OUTLET
BATTERY
Cowl side
panel RH
J9
JUNCTION
CONNECTOR
IH
W–B
IG
A
9 3H
3 3G
Instrument panel
brace RH
6
E
BM
A
W–B
BI
J12
JUNCTION
CONNECTOR
R18
REAR POWER OUTLET
A
A
1
2
1
W–B
J15
JUNCTION
CONNECTOR
Under the rear
RH seat
ANT
7 IK2
4
B
Upper the rear axle
housing left
W–B
GR
JUNCTION
CONNECTOR
C10
CIGARETTE
LIGHTER
IG
J4
JUNCTION
CONNECTOR
B
1
B B
2
P
2
B B
J3 B , J4 A
ACC
5
GR
2
12 IM1
B–R
16 IM1
D
D
15A
ECU–IG
4 2C
1 2I
20A
RAD
NO. 1
SHORT
PIN
A32
AUTO ANTENNA
MOTOR AND RELAY
+B
3
8 IM1
4
L–Y
B A
7. 5A
RADIO NO. 2
W–B
5 3K
8 3A
GR
14 1D
4 1K
9 1E
7 1C
B–Y
B–R
7 1H
2
1 1H
P
3
A uto A ntenna
B–R
1 1A
3
1
2 1C
P
L–Y
1
ACC
RELAY
5
B–Y
P
C igarette Lighter
P
2
ST2
IG2
ST1
IG1 4
I15
IGNITION SW
AM2
2 AM1
ACC 3
W
2
P ow er O utlet
GR
6 1C
W–L
1
P ow er S ource
W
1
8 RX 300
From Radio and
Player<12–7>
9 RX 300
P ow er S ourc e
G arage D oor
O pener
Front W iper and W asher
1
3
2
4
ACC
2 AM1
IG1 4
B–Y
ST1
L–W
W–L
R
IG2
9 EC1
ST2
25A
WIPER
6 1C
I15
IGNITION SW
2
C
20A
WASHER
J4
JUNCTION
CONNECTOR
L–W
3 2A
R
7 1C
AM2
C
40A
AM1
2 1B
5 1E
W2
M WASHER
MOTOR
1
3 1B
L–W
1 1A
8 5B
L–O
L
L
SHORT
PIN
L–W
9 5B
22 II1
L–B
R
L–R
1 2I
3
1
4
W
L–O
2
W
8
+2
7
+1
16
+S
17
+B
2 ID1
11
B1
IN1
IN2
WF
EW
R
1
5
M
F9
FUSIBLE LINK
BLOCK
V7
GARAGE DOOR OPENER
[VANITY LIGHT LH]
OFF
140A ALT
1
R
10A DOME
2
INT
LOW
HIGH
3
WASHER
W
5
2
W–B
W–B
F8
FRONT WIPER MOTOR
INT TIME
1
WIPER RELAY
BATTERY
8 1B
C16
FRONT WIPER AND WASHER
[COMB. SW]
2
W–B
8 ID1
14 1D
B
W–B
J9
JUNCTION
CONNECTOR
Cowl side panel RH
Dash panel center
IF
W–B
W–B
B
A
IG
J7
JUNCTION
CONNECTOR
A
J5
JUNCTION
CONNECTOR
Cowl side
panel LH
IE
M
W–L
W
BATTERY
SHIFT LOCK
SOLENOID
140A ALT
Instrument panel
brace RH
W–B
W
SHIFT LOCK
CONTROL SW
W–B
M
R24
REMOTE CONTROL MIRROR LH
M
M
5
R25
REMOTE CONTROL MIRROR RH
M
6
LG–B
4
DOWN/
RIGHT
W–B
IF
BR–Y
5
BR–W
6
LG
4
8 IL2
7 IL2
LG–R
6 IL2
9 3H
11 3E
10
IH
W–B
Dash panel center
BR–Y
LG
B
LG
8 IC2
LG–R
7 IC2
2 IJ1
6
6 IE1
LG
RH
1 IJ1
7
LG–B
6 IC2
7 IE1
BR–W
5 IE1
1
LH
Instrument panel
brace RH
SELECT
SW
IH
W–B
J7
JUNCTION
CONNECTOR
From Stop
Light SW
<5–2>
BR–W
LG–R
LG
1
B
G–W
P
2
16
IE1
RH
LG
9 3H
L–W
W–B
G–W
8
R5
REMOTE CONTROL MIRROR SW
LG–B
11 IE1
2
STP
BR–Y
4
KLS+
5
9
9 3E
8 3A
4
W–B
9 3D
3
E
LEFT
LH
4 1K
15A
CIG
LG
P
S6
SHIFT LOCK
ECU
1 3D
RIGHT
P1
ACC
1
P
2 1C
UP
P2
SLS–
SLS+
15A
ECU–IG
P
UP/
LEFT
DOWN
3
F9
FUSIBLE
LINK BLOCK
B–R
IG
5
9 1K
7 1C
3
R emote C ontrol M irror
OPERATION SW
5
ST2
IG2
P
1 1A
1
40A
AM1
IG1 4
ST1
P
B–Y
ACC 3
I15
IGNITION SW
AM2
2 AM1
2
S hift L ock
P
2
6 1C
W–L
1
P ow er S ource
10 RX 300
L–W
K3
KEY INTERLOCK
SOLENOID
11 RX 300
P ow er S ource
C ellular M obile T elephone
1
3
2
4
W
B–Y
1 2I
ACC
2 AM1
IG1 4
7 1C
B–Y
15A
TEL
ST1
B–R
AM2
IG2
D A
5 2A
J3 B , J4 A
I15
IGNITION SW
E B
O
9 1E
JUNCTION
CONNECTOR
9 IK2
G–R
W–L
ST2
O
From A/C ECU
[Comb. Meter ECU]<23–7>
15A
ECU–IG
B–R
E B
4 IB1
8 BD1
6 1C
O
G–R
B–R
B–R
T10 A , T11 B
9 B
3 A
TELEPHONE TRANSCEIVER AND SPEAKER RELAY
2
40A
AM1
1
1 1A
W
W
5
1
140A ALT
10 B
F9
FUSIBLE LINK
BLOCK
4 A 12 B
5 B
12 A
6 B
R
BATTERY
See Radio and
Player System
<12–1><12–2>
1
2
2
R15
REAR DOOR SPEAKER LH
W–B
Y
12 IA2
W
B
W
4 IA2
11 B
W
9 BA1
1 B
R
Y
4 BA1
4 B
R–W
B
3
5 A
3
C20
CELLULAR PHONE
2
1
PH+
PH– C15
TELEPHONE
MICROPHONE
[COMB. SW]
6
A
W–B
J12
JUNCTION
CONNECTOR
A
B–R
Upper the rear
axle housing left
W–B
A
BI
M
W
1
LG
W
L
T9
TWEETER RH
LG
TELEPHONE TRANSCEIVER
AND SPEAKER RELAY
T10 A , T11 B
140A ALT
W
L
LG
2
V
L
LG
W–B
F12
FRONT DOOR SPEAKER LH
1
3 IC1
8 IC1
V
P
F13
FRONT DOOR SPEAKER RH
5 1F
P
2
V
8 IL1
T8
TWEETER LH
3 IL1
P
1 1F
R+
7 C
7 IK1
6 IK1
19 IK1
(*2)
3 1J
R–
15 C
B
1 1J
L+
6 C
18 IK1
(*2)
Y
5 IK1
B
L
16 IJ1
3
L–
14 C
Y
R
6 IJ1
4
1
V
2
1 IK1
P
9 IK1
SGND
5 C
L
4
FL+
10 A
CDL+
4 C
R
3
2
L
1
CDR–
11 C
CDL–
10 C
SGD2
13 C
EMUT
2 C
3 A
ACC
TX+
1 C
14 IM1
GR
BM
LG
20 IK1
L
8 IK1
FL–
9 A
V
J15
JUNCTION
CONNECTOR
FR–
7 A
P
A
FR+
8 A
CDR+
12 C
S14 A , S15 B , S16 C STEREO COMPONENT AMPLIFIER
WF+
4 B
WFR–
WFR+
WF–
5 B
3 B
1 B
TX–
8 C
4 A
+B
MUTE
3 C
L–Y
V–W
LG
P
W–L(*1)
(*1)(*2)
B(*1)
G(*1)
R(*1)
W(*1)
P
W
8 IM1
(*2)
B
Y
L
R
GR
L–Y
Under the rear
RH seat
GND
6 A
RR–
B
(*1)
BATTERY
B
RR+
Y
(*1)
3
40A AM1
F9
FUSIBLE
LINK BLOCK
B
Y
5
Y
V
6 B
V
2 B
R
TMUT
W
(*1)
9 C
R
(*1)
RL–
G
(*1)
5 A
B
(*1)
RL+
(*2)
(*1)
1 A
17 IK1
15 IK1
16 IK1
13 IK1
W
(*1)
4 IK1
R
(*1)
W–L
(*1)
11 IK1
G
(*1)
P
10 IK1
B
(*1)
LG
3 IK1
(*2)
(*1)
V–W
2 IK1
W–L
(*1)
9 BD1
3
L
(*1)
2
P
6 BD1
4
LG
(*1)
1
4
* 1 : Except NAKAMICHI
* 2 : Shielded
LG
1 BD1
9 BB1
W
4 BB1
4 A
MUTE
W7
WOOFER SPEAKER
3
R adio and P layer
R
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
(Cont. next page)
L–Y
1 1A
12 B
SPI–
12 A
SP–
R16
REAR DOOR SPEAKER RH
1
2
R
1
5 B
SPI+
5 A
SP+
9 BA1
2
W
1
W–L
2
4 BA1
B
6 1C
R15
REAR DOOR SPEAKER LH
1
2
Y
I15
IGNITION SW
ST2
P
B
IG2
ST1
IG1
ACC 3
Y
AM2
2 AM1
1
P ow er S ourc e
12 RX 300
GR
(*2)
12 RX 300 (Cont’ d)
R adio and P lay er
5
A
B
C
D
E
G
L
1 2I
W(*1)
R(*1)
SHORT
PIN
G(*1)
2 1C
B(*1)
(*1)(*2)
7. 5A
RADIO
NO. 2
W–L(*1)
6 3H
P
LG
V–W
L–Y
P–B
9 3I
13 3A
3 1K
1 1H
4 2C
P–L
10A DOME
K
W
P
P
To Auto Antenna
Motor and Relay
<8–4>
I
J
8
20A RAD NO. 1
H
7
6
W
GR
F
* 1 : Except NAKAMICHI
* 2 : Shielded
GR–R
3 2A
L–Y
R
GR–R
10
9
10
6
5
TX–
TX1–
TX1+
EJCT
GND
TX+
8
7
TX–
11
8 B
EJECT
MUTE
9 B
TX–
TX+
TX–
10 B
5 C
TX+
1 A
ANT
ACC
R 2 A , R 3 B , R 4 C RADIO AND PLAYER
1 C
2 C
R+
1 B
R–
L+
L–
5 B
2 B
6 B
7 B
GND
2 A
+B
4 A
8 5E
M2
MULTI
DISPLAY
8 3F
R
W–L
BR
(*2)
B
6
Y
7
L
TX1–
R
TX–
TX1+
P–B
GR–R
4
TX+
C
8 5B
SGND
Y
B–W
BR
5
6 C
R
TX+
R–W
ACC
GR
12
GR–R
+B
B
C6
CD AUTOMATIC CHANGER
5
P
R+
LG
W
(*1)
1
R–
V–W
R
(*1)
6
L+
I16
INSTRUMENT
CONTROL PANEL
G
(*1)
2
L–
GR
B
(*1)
7
R–W
(*2)
(*1)
3
(*2)
W–L
(*1)
4
MUTE SGND
C
J4
JUNCTION
CONNECTOR
7 3I
GR–R
W–L
14 IJ1
9 3F
R
P–B
M
N
O
P
Q
R
L
Y
B
(*2)
BR
R
GR
BR
BR
IH
Instrument panel
brace RH
M
W–G
40A AM1
2
3
1
2
3
LG
P–L
GR–L
LG–B
Y–G
Y–R
Y–B
7. 5A SRS–B
W
140A ALT
W
1
2
S11
SIDE AIRBAG SENSOR
RH
4
GR
S10
SIDE AIRBAG SENSOR
LH
4
2
P14
PRETENSIONER
RH
1
2
E1
16 B
SIL
18 B
W–B
J7
JUNCTION CONNECTOR
W–B
Y
20A AM2
BATTERY
IF
B
B
4 1E
9 1L
E2
17 B
IG
A
A
14 1D
10 1L
Cowl
side
panel
RH
J9
JUNCTION CONNECTOR
W–B
W–B
Dash panel
center
P13
PRETENSIONER
LH
1
L–W
P
S13
SIDE AIRBAG
SQUIB RH
2
L–Y
S12
SIDE AIRBAG
SQUIB LH
1
Y–R
2
Y–G
1
PL–
1 A
PL+
2 A
PR–
6 C
PR+
5 C
Y–B
FSR ESR VUPR SSR+
9 C 7 C 12 C 10 C
+SR
6 B
Y
FSL
ESL VUPL SSL+
10 A 12 A 7 A 9 A
–SR
5 B
1 II2
2
Y–B
A26
AIRBAG SQUIB
(Front Passenger’ s
Airbag Assembly)
2
SFR+
2 C
Y–R
SFL–
6 A
S7 A , S8 B
Y
A27
AIRBAG SQUIB
(Steering
Wheel Pad)
1
SFR–
1 C
Y–G
SFL+
5 A
+SL
11 B
2 II2
1
W–B
SPIRAL
CABLE
P–
8 B
15A SRS–ACC
1
7. 5A IGN
P+
7 B
P–B
F9
FUSIBLE LINK
BLOCK
B–O
D–
9 B
W–G
C 7 A , C 8 B , C 9 C CENTER AIRBAG SENSOR ASSEMBLY
C14
SRS WARNING LIGHT
[COMB. METER ECU]
W–B
3
1
D+
10 B
GR
–SL
12 B
1 A
1 B
2
SHORT CONNECTOR
5
W–L
P–B
LA
B–Y
2 B
2 A
2 B
BR
TC
B–Y
19
1
W–R
15 B
5 1K
8
BR–W
1 2I
2 1L
4 1G
B–W
ACC
8 1L
11 1E
P–B
4 B
7 5F
B–Y
2 1E
B–Y
B
W
IG2
4 5C
13 5C
AB
5
A14
AIRBAG SENSOR
FRONT RH
B
3 B
P–B
TC
11
A13
AIRBAG SENSOR
FRONT LH
4
To Data Link
Connector 3
<2–4>
6 2C
1 1L
2 1C
AB
12
D1
DATA LINK
CONNECTOR 1
3
W
W
12 1G
6 1L
1 1C
4
TC
D3
DATA LINK
CONNECTOR 2
B–Y
1
I15
IGNITION SW
B
P
SRS
W
1 1A
W–L
2
W–R
3 1C
ST2
IG2 6
ST1
IG1
ACC 3
P
6 1C
7 AM2
2 AM1
W–G
2
Y–R
6 1K
1
P ow er S ource
13 RX 300
14 RX 300
L–O
L–O
L–O
L–O
L–O
L–O
L–O
REAR
FRONT
REAR
FRONT
REAR
FRONT
W–B
DOWN
UP
REAR
FRONT
DOWN
UP
REAR
FRONT
W–B
W–B
L–W
L–B
J17
JUNCTION
CONNECTOR
Y–B
Y–R
L–B
L
W–B
P25
POWER SEAT MOTOR
(Front Passenger’ s Seat
Reclining Control)
A
P22
POWER SEAT MOTOR
(Driver’ s Seat Rear
Vertical Control)
L–B
P26
POWER SEAT MOTOR
Slide Control)
P21
POWER SEAT MOTOR
(Driver’ s Seat Lumbar
Support Control)
W–B
Y
Y–G
Y–B
Y–R
L–R
L–Y
L–B
L
P23
POWER SEAT MOTOR
(Driver’ s Seat
Reclining Control)
P20
POWER SEAT MOTOR
(Driver’ s Seat Front
Vertical Control)
W
P24
POWER SEAT MOTOR
(Driver’ s Seat
Slide Control)
140A ALT
W–B
Y–R
L
W–B
Y–G
Y–R
L–Y
L
BM
Under the rear
RH seat
BJ
M
M
2
16 BE1
M
M
M
M
Under the left
center pillar
2
2
2
1
1
B
J17
JUNCTION
CONNECTOR
L–O
W
BATTERY
16 BF1
2
J18
JUNCTION
CONNECTOR
1
4
2
3
1
1
M
1
1
2
2
3
A
RECLINING
SLIDE
2
A
F9
FUSIBLE
LINK BLOCK
B
6
9
A
8
7
2
3
1
A
REAR
VERTICAL
RECLINING
FRONT
VERTICAL
SLIDE
3
5
10
6
9
5
B
L–O
4
1
P16
POWER SEAT CONTROL SW
1
4
1
1 1A
9 IM1
L–O
J18
JUNCTION
CONNECTOR
L–O
B
4
3
2
1
P17
Support Control)
2
P15
POWER SEAT CONTROL SW(Driver’ s Seat)
30A
POWER
B
13 1D
11 1G
P ow er S eat (w /o D riv ing P osition M emory)
P ow er S ourc e
L–O
8 IA1
3 BE1
3 BF1
A
J15
JUNCTION
CONNECTOR
M
3 2A
R
10A DOME
SHORT PIN
L–O
J16
JUNCTION
CONNECTOR
40A AM1
30A POWER
W
Upper the rear
axle housing left
S20
SLIDE POSITION
CONTROL SENSOR
BR
BR
140A ALT
W
W
BR
1
2
3
F18
FRONT VERTICAL
POSITION CONTROL SENSOR
V
1
2
A
A
3
R26
REAR VERTICAL
POSITION CONTROL SENSOR
J16
JUNCTION
CONNECTOR
1
2
A
3
2
P24
POWER SEAT MOTOR
(Driver’ s Seat Slide Control)
L
M
1
FRV+
10 B
P20
POWER SEAT MOTOR
(Driver’ s Seat Front Vertical Control)
L–R
L–Y
1
M
2
FRV–
9 B
LFT+
6 B
SW2
2 A
P22
POWER SEAT MOTOR
(Driver’ s Seat Rear Vertical Control)
Y
Y–G
2
M
1
LFT–
5 B
MMRY
12 A
RCL+
2 B
MPX1
10 A
2
GND
7 B
+B
8 B
Instrument panel
brace RH
P23
POWER SEAT MOTOR
(Driver’ s Seat Reclining Control)
Y–B
Y–R
M
1
RCL–
1 B
See Multiplex
Communication System
<7–24>
W–B
W–B
V
V
R27
RECLINING POSITION
CONTROL SENSOR
A
A
3
1
2
SLD–
3 B
PVCC SLD+
6 A 4 B
SW1
1 A
14 BE1
6 BE1
2 BE1
10 IA2
2 IA2
3 IA2
10 IE1
17 IE1
18 IE1
9 3H
4 3J
IH
W–B
BI
BR
B
LG
A
BR
SSRR
5 A
SSRL
4 A
LG–R
J12
JUNCTION
CONNECTOR
BR
BR
B
IG
8 A
J3 B , J4 A
JUNCTION
CONNECTOR
P18 A , P19 B POWER SEAT ECU(Driver’ s Seat)
SYSB
9 A
12 BE1
4 BE1
SSFV
3 A
V
G–B
SSRS
14 A
BR
V–W
A
FRONT
L
BATTERY
L
RCLR RCLF
E B
D A
4
L–O
L–O
L–O
R–L
R–L
W–B
7 BE1
SLIDE
B
L–B
BR
L–Y
B
L–R
F9
FUSIBLE LINK
BLOCK
L–W
BR
UP
L–B
3
L–O
22 A 21 A
REAR
LDWN
Y–B
B
L–O
18 A
RECLINING
LUP
Y–R
B
REAR
R
SGND
13 A
DOWN
B–R
5
B
FRONT
VERTICAL
P
1
W–L
R
17 A
A B
15A ECU–IG
P–B
FDWN
DOWN
7 A
REAR
VERTICAL
B–R
LG–B
1 1A
UP
C A
1
SET
FUP
FRONT
19 A
3
3
4
E
D
C
B
A
F
(Cont. next page)
L–O
SLDF SLDR
2
R
15 A 16 A
8
7. 5A GAUGE
P
1
7
2
P
P–B
1
5
B–R
10
2 1H
P
LG–B
2
6
9 1E
7 1D
S5
SEAT MEMORY SW
W–B
2
9
P15
POWER SEAT CONTROL SW(Driver’ s Seat)
7 1C
R–L
R–L
NO. 1
P–B
6 1C
1
B–Y
B–Y
3
NO. 2
LG–B
13 1D
ST2
IG2
ST1
IG1 4
I15
IGNITION SW
AM2
2 AM1
ACC
2
P ow er S eat (w / D riving P osition M emory)
P–B
1 2I
1
P ow er S ource
LG–B
11 1G
15 RX 300
Y–R
Y–G
L–Y
V
BR
V
15 RX 300 (Cont’ d)
P ow er S eat (w / D riving P osition M emory )
A
B
R–L
L–O
L–O
R–L
E
8
L–O
D
7
6
R–L
C
5
R–L
E lec tric T ension R educ er
L–O
8 IA1
E A
9 IM1
L–O
L–O
3 BE1
3 BF1
J3 B , J4
A
10 IM1
JUNCTION
CONNECTOR
D B
R–L
R–L
L–O
L–O
L–O
B
G–O
G
10 BF1
G
G–O
REAR
6
3
2
2
4
A
A
J17
JUNCTION
CONNECTOR
M
A
A
L–B
W–B
W–B
Y–R
L
W–B
16 BF1
J18
JUNCTION
CONNECTOR
W–B
2
W–B
W–B
A
1
B15
BUCKLE
SW RH
4
J18
JUNCTION
CONNECTOR
W–B
2
A
W–B
M
B14
BUCKLE
SW LH
4
Y–B
2
1
P25
POWER SEAT MOTOR
Reclining Control)
M
Y–R
L–B
1
P26
POWER SEAT MOTOR
Slide Control)
A
10 BE1
RECLINING
L
W–B
P21
POWER SEAT MOTOR
Support Control)
F
J17
JUNCTION
CONNECTOR
FRONT
REAR
SLIDE
L–W
L–B
W–B
A
2
2
2
9
A
2
P16
1
FRONT
REAR
FRONT
1
L–O
L–O
3
B
P17
Support Control)
4
J18
JUNCTION
CONNECTOR
T13
TENSION REDUCER
SOLENOID RH
B
J17
JUNCTION
CONNECTOR
1
T12
TENSION REDUCER
SOLENOID LH
1
B
B
16 BE1
16 BF1
W–B
16 BE1
W–B
W–B
A
BJ
W–B
Under the left
center pillar
BJ
Under the left
center pillar
J15
JUNCTION
CONNECTOR
A
BM
Under the rear
RH seat
M
16 RX 300
R
3 2A
10A DOME
W–L
SHORT PIN
40A AM1
W
B
B
W
R
G
L–Y
L–W
F9
FUSIBLE LINK BLOCK
W–B
140A ALT
20A S/ROOF
60A ABS
W
BATTERY
W–B
W–B
ABS AND TRACTION ACTUATOR
BR–W
Engine
compartment
right
R–Y
7 B
2 B
GR–R
8 B
1 B
5 A
3 A
1 C
R
GND2
10 C
R–L
B–Y
L–O
25 II1
Dash panel center
J7
JUNCTION
CONNECTOR
IF
B
B
9 5E
1 5D
W–B
EA
B–O
4 B
L
A7 A , A8 B
Y–B
3 B 10 B
G–B
ED
L–Y
1
A
V–W
9 B
B–Y
W–B
Right radiator
side support
L–W
W–B
GR–L
5 B
R–L
J2
JUNCTION
CONNECTOR
BR–Y
6 B 11 B
P–B
4 A 12 B
EFI+ EFI–
6 B 14 B
IND
WT
TRC+ TRC– NEO
13 B 5 B 15 B
3 B
12 B
2 IE2
1 IE2
L–O
R–Y
M
WA
A18 A , A19 B , A20 C
ABS AND TRACTION ECU
12 A
TRAC
A
TS
MT
SFLH SFLR SRRH SRRR SFRH SFRR SRLH SRLR SRC1 SRC2 SMC1 SMC2 AST
2 C 1 C 8 C 7 C 13 A 26 A 25 A 12 A 5 C 4 C 12 C 6 C 10 A 14 A
TC
4 B
LG–B
13 A
BR–W
4 2F
B–W
W–B
2 A
Y–G
D/G
23 A
8 5C
18 A
ABS
W–B
2 2G
R–B
R+
Y–R
9 A
W–L
22 A
9 5C
B–Y
SR
GR
1 A
Y–R
18 II1
10 II1
6 IE2
B–Y
11 A
R–B
24 II1
12 5C
7 5C
22
WA
LG–B
5
2
16
TS
(Short Pin)
LG–B
MR
L–Y
2
P–B
13 5C
Y–R
4 5C
11
TC
TRAC OFF
LG–R
24 A
W–B
2
6
4
TC
C12 A , C14 C
R–L
3
2
2
3
ABS
SOL
RELAY
14
ABS
WB
D1
DATA LINK
CONNECTOR 1
B–Y
1 1A
2
5
5
2
23
W–L
1
2
4
2
D3
DATA LINK
CONNECTOR 2 17
TRC
4
LG–B
2
ABS
MOTOR
RELAY
2
1
2
GR
LG–B
W
6 1C
3
2
GR
7 EC1
V
3
LG–R
1
L–O
8 1H
1
2
B
ST2
B–Y
B
IG2
ST1
IG1 4
ACC
2
V
I15
IGNITION SW
AM2
2 AM1
B
B
L–O
A B S and T raction C ontrol
V
B–Y
1 2I
1
P ow er S ource
D
C
B
A
(Cont. next page)
To Engine Control
Module<19–4>
From Engine Control
Module<19–4>
GR
16 RX 300 (Cont’ d)
A B S and T rac tion C ontrol
A
B
C
5
R
M oon R oof
7
6
L–O
L–O
B–Y
B–R
8
7 1C
R
C
J4
JUNCTION
CONNECTOR
C
B–R
15A
HEATER
15A
ECU–IG
R
10 1D
9 1E
1 3A
D
9 5B
R
7 IM1
19 IM1
6 IM1
18 IM1
Y
R–L
2 ID1
2 IE1
L–O
Y
10 B
RR+
RR–
2 B
1 B
RL+
RL–
7 B
SP1
B–R
2
B
L–W
L–Y
R–B
GR–R
9 B
IG1
4 ID1
R
7 IE2
8 B
J4
JUNCTION
CONNECTOR
B–R
L–W
L–Y
L
GR–R
D
B
B–R
1
MPX1
1 ID1
IG
M3
MOON ROOF CONTROL ECU
OPN
CLS
B
CSW
8
B2
11 B
5
9
E
10
7
A18 A , A19 B , A20 C ABS AND TRACTION ECU
B
FR–
18 A
FL+
5 A
FL–
4 A
STP
16 B
W–B
3 II1
L
LG
From Stop Light
SW<5–2>
P
V
4 II1
26 II1
SLIDE
CLOSE/
TILT
UP
4
8 ID1
5 3J
W–B
W–B
W–B
W–B
1
2
1
J9
JUNCTION
CONNECTOR
Cowl side
panel RH
A10
ABS SPEED SENSOR
FRONT RH
A
W–B
A
IG
SLIDE
OPEN/
TILT
DOWN
W–B
9 3H
2
A
6
W–B
1
8
M4
MOON ROOF
CONTROL SW
G–R
L
LG
T5
TRACTION
CUT SW
W–B
W–B
7 II1
L–O
4
W–B
FR+
17 A
GND3
9 C
G–Y
GND1
15 A
P
5 3E
D
8 5B
See Multiplex
Communication
System<7–18>
B–R
R–W
A30
ABS SPEED SENSOR
REAR LH
1
2
To Combination
Meter ECU<21–1>
13 1K
A31
ABS SPEED SENSOR
REAR RH
1
2
A9
ABS SPEED SENSOR
FRONT LH
Instrument panel
brace RH
IH
J5
JUNCTION
CONNECTOR
Cowl side
panel LH
IE
M
W
B
B
60A ABS
BR–W
V–W
L–Y
L–W
W–B
W
F9
FUSIBLE LINK BLOCK
140A ALT
BATTERY
A5 A , A6 B
3 A
2
1
L
LG
A9
ABS SPEED SENSOR
FRONT LH
2
1
P
V
A10
ABS SPEED SENSOR
FRONT RH
1
2
A31
ABS SPEED SENSOR
REAR RH
1
2
W–B
11 5B
Dash panel
center
A30
ABS SPEED SENSOR
REAR LH
1 5D
IF
W–B
W–B
ABS ACTUATOR
6 B
GR–R
Engine compartment
right
Y–B
2 B
B–O
5 B
R–L
1 B
7 IM1
IG
A
GND
12 B
P
N
GND
25 B
3 B
4 B
W–B
EA
8 B
18 IM1
6 IM1
19 IM1
L
ED
1
A
BR–Y
4 B
3 II1
RL–
9 B
RL+
22 B
RR–
23 B
FR–
RR+
9 A 10 B
STP
5 B
Cowl
side
panel
RH
J9
JUNCTION
CONNECTOR
Right radiator
side support
L–Y
W–B
R
7 B
LG
4 II1
FL–
FR+
2 A 3 A
L
L–Y
J2
JUNCTION
CONNECTOR
G
3 B
GR–L
12 II1
FL+
8 A
SP1
16 B
GR–R
M
V–W
19 II1
SRLR MT
14 B 10 A
IG1
13 B
7 IE2
L
L–W
A
BR–W
20 II1
SFRR
1 B
B–O
11 II1
SRLH
15 B
Y–B
SFLH SFLR SRRH SRRR SFRH
5 A 6 A 11 A 12 A 2 B
WA
TS
A21 A , A22 B
ABS ECU
R–L
5 3E
1 3A
L–Y
4 2F
B–W
L–W
4 A
Y–G
W–B
2 A
GR
2 2G
GR
TC
W–L
D/G
B–Y
11 B
1 C
18 A
B–R
21 B
8 5C
B–Y
10 1D
Y
R+
Y–R
8 B
6 IE2
13 1K
G–R
SR
R–B
24 B
9 5C
7 5C
22
WA
C12 A , C14 C
26 B
12 5C
16
TS
(Short Pin)
ABS WARNING LIGHT
[COMB. METER ECU]
7 A
P–B
13 5C
Y–R
4 5C
11
TC
W
R–W
MR
2
4
TC
B–Y
L–Y
2
14
ABS
D1
DATA LINK
CONNECTOR 1
15A
ECU–IG
G–W
1 A
W–B
2
ABS SOL
RELAY
WB
23
7 1C
Y
5
2
6
5
D3
DATA LINK
CONNECTOR 2
15A
HEATER
B–Y
4
From Stop Light SW
<5–2>
1 1A
2
3
4
2
2 II1
3
To Combination
Meter ECU<21–1>
1
40A
AM1
5
2
1
2
7 EC1
V
GR
ABS
From A/T
Indicator SW
[Park/Neutral
Position SW]
<19–5>
3
2
W–L
2
3
2
2
GR
ABS
MOTOR
RELAY
1
B
2
GR
B
R–W
2
ST2
IG2
ST1
IG1 4
ACC
B–Y
2
V
6 1C
B
B
1
V
I15
IGNITION SW
AM2
2 AM1
P o w er S o urc e
17 RX 300
L–W
18 RX 300
P ow er S ource
C ruise C ontrol
1
3
2
4
G–B
ACC
2 AM1
IG1 4
B–Y
D3
DATA LINK
CONNECTOR 2
ST1
7 1C
10 IE2
15A
ECU–IG
W
7. 5A
GAUGE
15A
HEATER
C/C
13
5C
Y–R
L–Y
V–W
G–B
1 C
4 5C
1 5B
4
10
D
OD
14
ECT
6
L
MO
15
MC
STP
7
2
L–W
L–W
CRUISE
2
MO
11 5E
3
MC
BR–W
1
L–R
L–B
CCS
8 IH1
15 II1
5
W
RES/ACC
L
A
G–W
C5
CRUISE CONTROL
ACTUATOR
CANCEL
A
ECC
GND
4
BR
BR
C15
CRUISE CONTROL
SW[COMB. SW]
BR
From Engine Control Module
<19–3>
SET/COAST
J10
JUNCTION CONNECTOR
13 5B
M
BATTERY
1
13 II1
G–W
BR
G–R
GND
16
14 II1
12 IH1
R–Y
3
CCS
10
L
Y–G
B–Y
13 IH1
IDL
13
L–B
3
R–Y
J8
JUNCTION
CONNECTOR
G–R
140A ALT
A
SPD
L–R
A
F9
FUSIBLE LINK
BLOCK
4
8
12
TC
C18
CRUISE CONTROL ECU
G–R
5
5
PI
G–W
B
BR–W
9
D
L–W
P1
PARK/NEUTRAL
POSITION SW
S9
STOP
LIGHT
SW
L–Y
V–W
B–R
R–L
2
1 1A
2
P–B
5 3E
3
12 IJ1
W
D
R–L
1
J4
JUNCTION
CONNECTOR
TC
11
P–B
10 IH1
4
W
R–W
B–R
R–L
1 3A
D
40A
AM1
W
2
14 A
W
13 1K
C12 A , C14 C
9 1E
CRUISE CONTROL
INDICATOR LIGHT
[COMB. METER ECU]
W–L
G–B
2 1G
TC
10
I15
IGNITION SW
6 1C
20A
STOP
D1
DATA LINK
CONNECTOR 1
E1
IG2
ST2
1 1E
3
W
To Combination
Meter ECU<21–2>
AM2
BR–W
W–L
4
BR
21
II1
BR
BR
Dash panel center
IF
Rear side of
surge tank
EC
M
W–L
W
BR
3
R–Y
20A EFI
W
20A AM2
140A ALT
5
SL1+
10
SL1–
E1
TRANSMISSION SOLENOID
G
W–B
W–B
W–B
W–B
W–B
W–B
W–B
W–B
W–B
B–W
W–B
W–B
40A AM1
W
Surge tank RH
R–Y
DSL
W
EB
8
SL2+
4
SL2–
9
6
THO
1
E2
BR
SLT+
2
SLT–
7
R–L
S4
SLT–
2 A
SLT+
3 A
THO
13 B
SL2–
8 C
SL2+
9 C
SL1–
19 C
SL1+
20 C
ENG+ ENG–
14 D 21 D
DSL
7 C
NEO
16 E
L–B
B
EC
R–Y
S4
1 A
TRC–
20 D
L–W
O
Rear side of
surge tank
BR
E01
E02
21 C 31 C
TRC+
13 D
E2
18 B
B–Y
BR
ED
B–W
J2
JUNCTION
CONNECTOR
IDLO OD1
25 E 24 E
Y–G
E04
E05
E03
8 B 30 C 1 B
NC–
23 C
NC+
24 C
R–B
O
A
A
NT–
4 A
E5 A , E6 B , E7 C , E8 D , E9 E
NT+
4
R–W
Right radiator
side support
EFI RELAY
A
L–W
G–Y
BATTERY
J4
JUNCTION
CONNECTOR
G–B
J10
JUNCTION
CONNECTOR
B–Y
5 A
T3
TURBINE SPEED SENSOR
F9
FUSIBLE LINK BLOCK
B–O
STP
C3
COUNTER GEAR SPEED SENSOR
MREL
E1
8 D 17 B
G–O
15 D
L
IGSW
LG
2 D
R
BATT
G
1 D
2
1
GR
(*1)
+B
2
1
P–B
(*1)
16 D
B–O
3
From Stop Light SW
<5–2>
1
A
A
7. 5A
IGN
To ABS and Traction
ECU<16–3><16–4>
5 2B
5
4 2B
6 1G
1 1C
L–O
(*1)
G
3
4 2F
2
7 2B
L–W
B–Y
B
3
R–Y
(*1)
1
1 2I
6 2C
IG2 6
ST2
B
IG1 4 B–Y
ST1
I15
IGNITION SW
7 AM2
2 AM1
ACC
2
E lectronically C ontrolled T rans miss ion and A /T Indicator
A
(Cont. next page)
From ABS and Traction
ECU<16–4>
BR–W
(*1)
5
12 1G
3 1C
W–L
1 1A
1
2
6 1C
W–R
W–L
1
P ow er S ourc e
19 RX 300
BR
G
O
BR
Y
R
To Cruise Control ECU
<18–2>
B–Y
19 RX 300 (Cont’ d)
E lectronically C ontrolled Trans mission and A /T Indicator
5
7
6
8
R–L
A
B–Y
RL
NL
DL
2L
LL
7
8
9
10
3
4
G–R
R–W
R–B
B
C
D
A
D
D
A
L–R
B
GR–L
15
IJ1
1 3A
11
IJ1
7 IH1
7 A
16 A
14 A
R
N
D
2
13 A 12 A
L
9 D
R–L
8 A
P
5 3E
R–W
GR–L
G–R
R–W
R–B
9 A
R–W
ODMS ODLP
GR–L
MPX2
18 D
L
2
D
N
R
P
ECT
SNOW
ECT
PWR
O/D OFF
W–B
22
R–W
W–B
B5 A , B8 D
BODY ECU
6
8 3H
4
MPX2
20 D
O2
O/D MAIN SW
6
3
SNOW
PWR
Y–B
8 D
1
NORM
SNOW
Y
PWR
E4
TRANSMISSION PATTERN SELECT SW
15 D
Y
MPX1
Y–B
W–R
11 A
C14
1
3
See Engine Control and
Engine Immobiliser System
<2–10><2–11>
13 1K
R–W
C
G–Y
B
E5 A , E6 B , E7 C , E8 D , E9 E
VC VTA1 THW STA
2 B 23 B 14 B 7 D
15A
HEATER
7. 5A
GAUGE
2 1G
G–W
(*2)
R–W
(*2)
7 1C
10 IH1
R–L
G–W
J8
JUNCTION
CONNECTOR
14 IH1
G–W
G–W
(*2)
R–W
(*2)
15 IH1
PL
B–Y
C
To ABS ECU
<17–4>
R–L
P1
A/T INDICATOR SW
[PARK/NEUTRAL POSITION SW]
2
8 3D
W–B
W–B
9 3H
10 3E
W–B
System<7–15>
IH
Instrument panel
brace RH
M
GR
1
B
15A SEAT HTR
B
B
BR–Y
W
W
W–B
B
40A AM1
W
B
To Body ECU
<7–14>
W–B
REAR WINDOW
DEFOGGER
R21 A , R22 B
N2
NOISE FILTER
(DEF)
BATTERY
Cowl side
panel RH
IG
A
J9
JUNCTION
CONNECTOR
11 5B
Dash
panel
center
Instrument
panel
brace RH
9 3H
6 3K
W–B
W–B
W–B
W–B
IH
16 BE1
A
A
BJ
Under the
left center
pillar
J17
JUNCTION
CONNECTOR
W–B
Cowl
side
panel
RH
J9
JUNCTION
CONNECTOR
2
1
S21
SEAT HEATER SW
(Driver’ s Seat)
W–B
IF
7 3K
E
IG
A
W–B
Cowl side
panel LH
W
W–B
IE
B
W–B
W–B
BN
A
R–W
12 IL1
R25
MIRROR HEATER RH
[REMOTE CONTROL
MIRROR RH]
B
W–B
12 IC1
R24
MIRROR HEATER LH
[REMOTE CONTROL
MIRROR LH]
F7
FRONT
WINDOW
DEFOGGER
W–B
1 5F
2
W–B
A
B
8
W–B
8
W–B
Under
the
rear
RH seat
J15
JUNCTION
CONNECTOR
BM
A
16 BF1
A
A
2
1
W–B
Back panel
center
B
7
E
11 BE1
LH
6
S18
SEAT HEATER
(Driver’ s Seat)
J14
JUNCTION
CONNECTOR
BR–Y
7
3 IL2
S22
2
SEAT HEATER
SW(Front
Passenger’ s
Seat)
W–B
J5
JUNCTION
CONNECTOR
A W–B
B
2
B
3 IC2
B
IG
3
11 BF1
J18
JUNCTION
CONNECTOR
1 B
BR–Y
1
B
RH
IG
1 IK2
W–B
1 A
3
B
9 IJ1
1
6
3
8 IE1
G–B
3
BR–Y
1
5
13 IJ1
1 IA2
4 IJ1
W–B
2 BC1
7 2A
2
9 IE1
1
S3
SEAT HEATER
RELAY
S19
SEAT HEATER
(Front Passenger’ s
Seat)
7 IB1
4
G–W
LG
5
2
G–R
F9
FUSIBLE LINK BLOCK
20A FR DEF
140A
ALT
3
3 2C 1 2C
2
5
R–B
1
LG
5
R–Y
1
MIRROR
HEATER
RELAY
2 3D
3
LG
G–B
RR DEF
RELAY
3
L–B
1
1
3
W–B
G–B
1 1A
1
1
10 3A
2
5
1
G–W
8 2A 2 2H
B
R–Y
R–B
1
1
4
G–R
30A
RR DEF
L–B
8
W–L
6 5A
15A HEATER
3
5E
10
1K
ENGINE
MAIN
RELAY
R
S eat H eater
G–B
1
R–Y
1 5A
5 1H
7. 5A GAUGE
2
8 1G
7 1C
R
3
LG
6 1C
ST2
IG2
ST1
IG1 4
B–Y
2
G–R
I15
IGNITION SW
AM2
2 AM1
ACC
L–B
GR
B
M irror H eater a nd W indow D efo gger
G–R
3 1F
1
P ow er S ource
G–R
8 1F
20 RX 300
W–B
21 RX 300
CHARGE
HIGH BEAM
SRS
TURN RH
TURN LH
CRUISE
ABS
TRAC OFF
TRAC
See SRS System<13–3>
See Multiplex
<7–15>
See Cruise Control System<18–2>
See ABS and Traction
Control System(*1)<16–4>
See ABS System(*2)<17–3>
See ABS and Traction
Control System<16–4>
See Engine Control System
<2–3>
Y–B
W–B
See Electronically
Controlled Transmission
and A/T Indicator System<19–7>
BR
Y–G
F17
FUEL SENDER(Sub)
Y–G
F16
FUEL SENDER(Main)
From ABS and Traction
ECU(*1)<16–6>
From ABS ECU(*2)<17–4>
See Multiplex
<7–15>
See Taillight System<3–4>
See Stop Light System<5–3>
From Engine Control
Module<2–12>
From Engine Control
Module<2–9>
From Cruise
Control ECU<18–4>
W–B
BR
MALFUNCTION
INDICATOR LAMP
O/D OFF
BR
W–B
Y–G
W1
WASHER LEVEL
WARNING SW
L–W
2 3K
9 3H
12 3B
10 3E 6 3B
W
Instrument
panel brace RH
IH
WATER
TEMP.
FUEL
TACHOMETER
ECT
SNOW
ECT PWR
FUEL
2
N
P
L–W
O
V–W
Y
2
SPEEDOMETER
L
D
R
BRAKE
A/T OIL
TEMP.
OIL
SEAT
BELT
REAR
LIGHTS
BUZZER
TAIL
HEAD
(USA)
OPEN DOOR
W
1
L–W
Y–B
3
EA
Engine compartment
right
2 BD1
BR
11
IK2
10 IK2
See Multiplex
<7–15>
13 1K
9 C
8 C
11 A 10 A
See SRS System<13–3>
ST2 I15
IGNITION
SW
19 C 20 C
6 C 16 A 12 A 13 A 18 A 14 A
11 C
140A ALT
16 II1
7 BD1
J1
JUNCTION
CONNECTOR
2
See Illumination
System<4–3>
2
R–L
W–L
SHORT PIN
W
L–W
See Turn Signal and
Hazard Warning System
<6–2>
W–R
22 C
15 C
6 B 14 B 10 B
7 B
2 B
10 C
17 C 21 C 18 C 15 A
17 A
A
BATTERY
7 1C
ST1
4
3
2
1
1 C
7. 5A ECU–B
1 2I
1
5 IJ1
F9
FUSIBLE
LINK BLOCK
3
ODO/TRIP
1
5
R–W
W–L
40A AM1
1
1 3A
See Multiplex
<7–15>
10 1G
14 C
3 C
2
1 1A
C12 A , C13 B , C14 C
6 1C
5 3E
1 1K
4 2A
15A
HEATER
IG2
AM2
B–Y
IG1 4
W–L 2 AM1
B–Y
ACC
C ombination M eter
P ow er S ourc e
M
W4
WATER
TEMP.
SW NO. 2
W
1
L–Y
W
W–R
40A CDS
L
40A RDI
2
1
D5
DIODE
(A/C)
W–B
J2
JUNCTION
CONNECTOR
140A ALT
R1
RADIATOR
FAN MOTOR
W–B
W–B
W–B
R–W
LG–B
W
EA
R24
REMOTE CONTROL
MIRROR LH
1
2
W–B
To Engine Control
Module<23–3>
Y
A2
A/C CONDENSER
FAN MOTOR
BATTERY
Cowl side
panel LH
R25
REMOTE CONTROL
MIRROR RH
1
IE
A
8 ID1
4
GND
W–B
Engine compartment
right
J1
JUNCTION
CONNECTOR
2
4 IL2
G–B
5 ID1
G–Y
W–B
A
6 ID1
EC–
3
1 IL2
G–Y
EC+
2
I17
INNER MIRROR
J4
JUNCTION
CONNECTOR
4 IC2
IG
1
4 ID1
D
D
G–B
1 IC2
15A HEATER
G–Y
ED
To Engine Control
Module<2–12>
W–B
1
M
2
R–Y
6 5A
1 5A
9 1E
G–Y
G–B
W–B
W–B
1
2
4 2E
3 2B
R–W
2
8 2A
8 1G
G–B
A
2
3
2 2E
8 2G
R–W
B
2
FAN
NO. 1
RELAY
6 2G
4
W–B
Right radiator
side support
W–B
3 2G
2
2
1
7 2G
G–Y
3
L–B
5
Y
8 II1
R–W
2
3
4
B
1
Y
1 EB1
2
1
3
4
2
B
M
2
2
2
5
2
R–Y
B–R
1 1A
2
FAN
NO. 2
RELAY
2
B–R
1
40A
AM1
3
FAN NO. 3
RELAY
2
R–L
7 1C
B–Y
B–R
G–B
F9
FUSIBLE LINK BLOCK
W–L
2
W–R
5
2
R–L
1
R–L
2
W
R–L
3
A utomatic G lare– R esis tant
E C M irror
15A ECU–IG
2
B–Y
R–L
6 1C
ST2
IG2
ST1
IG1 4
ACC
R–L
I15
IGNITION SW
AM2
2 AM1
2
R adiator F an and C ondenser F an
L
7
1
P ow er S ource
R–L
6
22 RX 300
J5
JUNCTION
CONNECTOR
W–B
W3
WATER TEMP.
SW NO. 1
L–Y
A4
A/C SINGLE
PRESSURE SW
MEMO
R
W–R
J4
JUNCTION
CONNECTOR
10A DOME
7. 5A ECU–B
40A AM1
4
SHORT PIN
W
50A HEATER
B
L–B
W
W
140A ALT
J2
JUNCTION
CONNECTOR
W–B
ED
MPX1
11 D
A4
A/C DUAL PRESSURE SW
Right radiator
side support
See Multiplex
Communication
System<7–18>
MPX2
18 D
PRE
LCKI
10 A
Rear side of
surge tank
J10
JUNCTION
CONNECTOR
BR
W–B
BATTERY
EC
A
A
BR
E5 A , E8 D , E9 E
ACMG
6 E
3 2E
MG CLT
RELAY
BR
W–L
B–Y
2
1
3
3 EB1
5 3B
11 3I
Instrument panel
brace RH
See Multiplex
Communication
System<7–15>
9 3H
3 3B
9
IH
7
TX+
+B
1
10 3E
12
MPX+
13
IG+
2 1K
10 1G
I16
INSTRUMENT
CONTROL PANEL
MPX–
GND
2
ACC
3
10 3I
W–B
Cowl side panel RH
W–B
B3 A , B4 B
IG
BLOWER MOTOR
CONTROL RELAY
A
A
4
G–R
B2
BLOWER
MOTOR
1
W–B
J9
JUNCTION
CONNECTOR
A
M
R
2
1
LG–B
3
5
13 3A
W–B
3 IG1
M–
2 B
R–Y
M+
1 B
To Body ECU<7–14>
B
GND
1 A
SI
2 E
R–Y
+B
P–L
2 A
From Diode
(A/C)<22–2>
10
L–R
3 A
L–O
16 EC1
2 2C
LG–B
3
L–R
1 IG1
P–L
2 IG1
2
1
R–L
9
3 2H
5
10 IJ1
P–L
10 3A
GR
5
1 1A
4
3
8 2A
R–Y
3 1K
2 1C
R
F9
FUSIBLE LINK
BLOCK
W–L
H8
HEATER
RELAY 2
W–B
1
R–Y
R–B
R–B
1
5 2C
6
5A
R–W
10 1K
7. 5A
GAUGE
4
R
1
W–L
2 5A
1 5A
13 1K
15A
HEATER
7. 5A RADIO NO. 2
2
L–B
8 1G
7 1C
GR–R
6 1C
B–Y
R–Y
1 2I
3 2A
R
4 2A
I15
IGNITION SW
ST2
IG2
ST1
IG1 4
ACC 3
3
P
C
AM2
2 AM1
P
2
A utomatic A ir C onditioning
6 3I
11
TX–
1 1K
W–B
W–B
B–W
Y
GR
W–L
P–L
R–W
R
I
H
G
F
E
D
C
B
A
(Cont. next page)
W–R
C
8 5B
8 5E
R
1
P ow er S ourc e
23 RX 300
A3
A/C MAGNETIC CLUTCH
AND LOCK SENSOR
B–Y
W–L
23 RX 300 (Cont’ d)
A utomatic A ir C onditioning
5
A
B
C
7
6
8
R
A23
AIR INLET CONTROL SERVO MOTOR
R–W
A25
AIR VENT MODE CONTROL SERVO MOTOR
A24
AIR MIX CONTROL SERVO MOTOR
14 IJ1
P–L
M
M
M
R
9 3F
3
1
7
6
1
7
1
5
3
7
6
Y
Y–G
B–Y
B
G–B
B–Y
LG–R
B–Y
6 IF1
G–B
W
LG–B
G–B
G–B
B–Y
B–Y
G–Y
2 IF1
10 IF1
1 IF1
9 IF1
3 IF1
7 IF1
8 IF1
Y
Y–G
O
G–B
W
LG–B
LG–R
B–Y
G–Y
R
BR–W
V–W
GR
B–W
G–W
G–R
R
W–B
B–W
F
G
4 IF1
W–R
8
6
8 IJ1
B–R
5
7 IJ1
R–L
4
GND1
P–L
TX+
W–L
TX–
W–R
+B1
B–R
1
17 EC1
5 3E
M2
MULTI DISPLAY
3
ACC
LG–R
B–Y
1
B–Y
11 EC1
GR
3
A15
A/C EVAPORATOR
TEMP. SENSOR
2
1 3A
E
5
G–Y
R
1
V–W
2
GR
B–W
B–R
A16
A/C ROOM TEMP. SENSOR
R–W
1
A1
A/C AMBIENT TEMP. SENSOR
W–R
2
W–L
R
D
R
R
5
G–R
3 3D
BR–W
B–R
7 3F
Y
3 C
B–W
B
4 C
BLW
1 C
14 C
IG
B2
7 C
TAM
16 C
3 B
SG–5
TR
9 B
SG–3
1 B 11 B
SG–2
8 B 13 B 12 B
TPI
S5–2
AIF
AIR
1 A
TE
9 A
SG–1
3 A
TPO
4 A
AOD
5 A
AOF
2 A
S5–1
6 A
TP
7 A
AMH
8 A
AMC
C12 A , C13 B , C14 C A/C ECU[COMB. METER ECU]
E2
22 C
MPX+
21 C
MPX–
17 C
TELI
5 C
O
Y–B
I
TS
15 B
L
W–B
H
S5–3
16 B
W–B
1
2
W–B
System<7–15>
A17
A/C SOLAR SENSOR
To Telephone Transceiver and
Speaker Relay<11–4>
M

1 RX 300 ELECTRICAL WIRING DIAGRAM

Transcription

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