SXOC Bulletin Board - Fitting guide for Traction Control (s14)

Fitting guide for Traction Control (S14)
Written by john200
PDF by STiMPY
Thanks to Phatty &
BenTaylor200 for the
S14a ECU pinouts
Thanks to Bren for the
S14a ABS ECU wiring
This guide is specific to the S14, the S14a has different wiring. See the final two pages for S1a specific wiring.
WARNING.... YOU NEED A LAPTOP to configure the TC
Disconnect the battery.
The contents of the box (check it's all there)
Fitting guide for Traction Control (S14)
Take off the sill tread plate and the passenger footwell trim to reveal the ECU, unclip the wiring cover.
Fitting guide for Traction Control (S14)
Lots of wires, the injector pulse wires are at the bottom.
The tacho wire is the Blue & Black one just below the center.
The 12v power is near the top.
101 - Injector 1 - White & Black
103 - Injector 2 - Yellow & Black
110 - Injector 3 - Green & Black
112 - Injector 4 - Blue & Black
7 - Revs / Tacho - Blue & Black
59 - 12v (ignition switched) - Black & White
Fitting guide for Traction Control (S14)
Shows where to attach the TC earth wire
Fitting guide for Traction Control (S14)
Remove the plastic cover from around the bottom of the ECU wires, and cut the wires one by one
attaching the plug connectors (make sure you put all male connectors on one side and all female
connectors on the other).
Crimped and solder these, just to be sure they won't come out.
Put the tacho and power wire into the supplied plug, but you need to loop round wires on the TC
wiring harness...
Fitting guide for Traction Control (S14)
Once the ECU wires are into their plugs (take time to make sure they match both each other and
the TC harness), connect them together and make sure the engine still starts. (remember to reconnect
the battery and turn off the immobiliser)
Fitting guide for Traction Control (S14)
If the engine starts then great.!! Disconnect the battery again and plug the TC harness in. (the yellow
and pink wires are the loops mentioned earlier)
Fitting guide for Traction Control (S14)
Now run the ABS wires back along the sills.
Fitting guide for Traction Control (S14)
Take out the rear seats and parcel shelf. Then carefully pull off the rear interior side trim. Run the ABS
wires along the same route as the rest of the wiring loom.
Fitting guide for Traction Control (S14)
The ABS unit is in the boot on the left.
Fitting guide for Traction Control (S14)
17 - Front Left - Blue
The top plug is the one you want, there is a release tab on the back of the plug, also remove the wires
from the plastic bracket (brown thing on the left) by cutting the tape, this gives you much more room to
work with.
The pins are:
15 - Rear Wheels - Blue
13 - Front Right - White
17 - Front Left - Blue
Fitting guide for Traction Control (S14)
Connect
Connect
Connect
Connect
17 - Front Left - Blue
pin 15 to Green and Yellow on the TC
pin 13 to Blue on the TC
pin 17 to Red on the TC
the shielding to something, or make sure it's covered up.
Fitting guide for Traction Control (S14)
Make the wires neat again.
Now position the TC ECU (on the angled bit under the carpet for instance) and connect the wiring harness
and laptop connection / diagnosic LED.
Run the wire to where you will mount the adjustment box and connect their wires.
Put everything else back together and reconnect the battery, turn the ignition on.
Plug a laptop in to the serial connector, run the TC software.
Select your com port
Read data from the TC ( 3rd icon from the left under the menu)
Make the following changes in the wheels section:
-Select the front wheels as reference
-Select the rear wheels as driven
(edit)
-Set FR to CH1
-Set FL to CH2
-Set RL to CH3
-Set RR to CH4
(end edit)
-Set your tyre sizes (click on the wheel icons)
-Set the driven 'Pulses per revolution' to 74
-Set the reference 'Pulses per revolution' to 40
Make the following changes to the Configuration section:
-Set the number of cylinders to 4
Write the settings to the TC (4th icon from the left under the menu)
Fitting guide for Traction Control (S14)
Save the settings into a file.(2nd icon from the left under the menu)
Start the engine.
In the test section click send, this should make the engine missfire for a brief period.
In the Real Time section, click 'start real time' (5th icon from the left under the menu) and go for a
drive. if there are numbers in all the boxes and they change as you are driving... Well done, you now
have TC in your car.
Fitting guide for Traction Control (S14)
(blue/black)