Operation CHARM: Car repair manuals for everyone.

IG Signal Circuit

IG Signal Circuit

DESCRIPTION
The multiplex network body ECU determines the ignition position (LOCK, ACC, ON) based on signals from the IG or ACC circuit.

Signals from the unlock warning switch are used to operate the wireless door lock control system functions such as automatic lock and door ajar warning.

Wiring Diagram:






Step 1:




INSPECTION PROCEDURE