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I’ve got a 2004 g35 sedan 6mt. It is being turned into a drift car.
I have disconnected the yaw sensor, and cut the ABS fuse out. Lastly I have been told that you need to cut the ECM wire 101 to fully disengage all driver assist (traction control and abs).
I pulled the ECM and there is no wire in the 101 pin spot?
What can I do next? I am still getting a fuel cut when left foot braking.
The orange wire on the VDC computer harness E118 pin 34 (there are two orange wires so make sure it's the correct one) is the one you need to clip to fully disable the system. It is the power for the yaw sensor, the VDC doesn't wire directly to the ECM it sends it's signal via CANBUS.
ECM pin 101 on 5AT equipped sedans is the throttle motor control wire, you would definitely not want to be cutting that one.
ECM pin 101 on 6MT equipped sedans is the brake pedal switch, you could cut that one as well (yes you have that wire, are you sure you're looking at the harness layout correctly) however it makes using the cruise control difficult since it won't cancel when you hit the brake pedal.
The commonly prescribed method is to cut and install a switch on the orange wire for the VDC power to yaw sensor. Then you can turn the system on and off as needed, you will need to turn the car off/on again in order to reenable VDC after you turn the switch back on.
The orange wire on the VDC computer harness E118 pin 34 (there are two orange wires so make sure it's the correct one) is the one you need to clip to fully disable the system. It is the power for the yaw sensor, the VDC doesn't wire directly to the ECM it sends it's signal via CANBUS.
ECM pin 101 on 5AT equipped sedans is the throttle motor control wire, you would definitely not want to be cutting that one.
ECM pin 101 on 6MT equipped sedans is the brake pedal switch, you could cut that one as well (yes you have that wire, are you sure you're looking at the harness layout correctly) however it makes using the cruise control difficult since it won't cancel when you hit the brake pedal.
The commonly prescribed method is to cut and install a switch on the orange wire for the VDC power to yaw sensor. Then you can turn the system on and off as needed, you will need to turn the car off/on again in order to reenable VDC after you turn the switch back on.
"The commonly prescribed method is to cut and install a switch on the orange wire for the VDC power to yaw sensor. Then you can turn the system on and off as needed, you will need to turn the car off/on again in order to reenable VDC after you turn the switch back on."
I have a few questions regarding this.
1. What is the difference between doing this and just unpluggin the yaw sensor? is the traction control not fully off until this wire is cut?
2. Will this solve the left foot brake fuel cut issue?
Ahh ok I was wrong about the pin 101, it's separate from the ASCD switch.
You could cut that one yeah, are you sure you didn't look at the harness backwards though? You should definitely have a wire on that pin, pink with blue stripe. That harness layout picture is looking from the BACK of the harness where the wires go in. You do have a 6MT model yes?
Or take both those circuits, the brake switch and the yaw control power orange wire and run them through a single-throw double-pole switch. Then you could just flip the switch to disable the system, turn the switch back on and restart the car to enable the system.
Would be pretty easy to wire since the VDC controller is right next to the ECM.
Ahh ok I was wrong about the pin 101, it's separate from the ASCD switch.
You could cut that one yeah, are you sure you didn't look at the harness backwards though? You should definitely have a wire on that pin, pink with blue stripe. That harness layout picture is looking from the BACK of the harness where the wires go in. You do have a 6MT model yes?
Or take both those circuits, the brake switch and the yaw control power orange wire and run them through a single-throw double-pole switch. Then you could just flip the switch to disable the system, turn the switch back on and restart the car to enable the system.
Would be pretty easy to wire since the VDC controller is right next to the ECM.
The orange wire on the VDC computer harness E118 pin 34 (there are two orange wires so make sure it's the correct one) is the one you need to clip to fully disable the system. It is the power for the yaw sensor, the VDC doesn't wire directly to the ECM it sends it's signal via CANBUS.
ECM pin 101 on 5AT equipped sedans is the throttle motor control wire, you would definitely not want to be cutting that one.
ECM pin 101 on 6MT equipped sedans is the brake pedal switch, you could cut that one as well (yes you have that wire, are you sure you're looking at the harness layout correctly) however it makes using the cruise control difficult since it won't cancel when you hit the brake pedal.
The commonly prescribed method is to cut and install a switch on the orange wire for the VDC power to yaw sensor. Then you can turn the system on and off as needed, you will need to turn the car off/on again in order to reenable VDC after you turn the switch back on.
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Last edited by ManuelTorrence; May 20, 2023 at 05:36 AM.
