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Old April 27th, 2019, 20:11
yossarian19's Avatar
yossarian19 yossarian19 is offline
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Join Date: Mar 2007
Location: Grass Valley, CA
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AW4 TCC / Brake switch circuit

I'm reading the FSM and fairly sure I understand, but, if anyone can hold my hand and tell me one way or the other it'd help.
I think what I'm reading is that on the brake switch connector, pin 5 is power in, it's normally "open" to pin 2 (brake lamps). Pin 4 is ground, normally closed to pin 3 (K29 TCM / PCM brake switch sense)
Push the pedal, you close circuit to power the brake lamps and break ground connection to the TCM, which unlocks the converter.


I'm putting an AW4 in my FSJ and need to get the last couple wires connected to the TCM before it'll move.
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