Power Supply And Ground
BCM is connected to LCU01 as DATA LINE A-3.
Power is supplied at all times
- through 10A fuse [No. 8, located in the fuse block (J/B)]
- to key switch terminal 3.
When the key switch is in ON position (key is inserted in ignition key cylinder), power is supplied
- through key switch terminal 4
- to BCM terminal 69
When any of the four door switches is in OPEN position, ground is supplied
- to BCM terminal 33, 37, 142, 143
- through door switches body grounds.
When a front LH door is unlocked, driver door LCU terminal 6 receives a ground signal from terminal 2 of front LH door unlock sensor.
When a front RH, rear LH or RH door is unlocked, each door control unit terminal 13 receiver a ground signal from terminal 2 of each door unlock sensor.
Electronic key signal input
- through multi remote control receiver
- to BCM terminal 27
The remote keyless entry system controls operation of the
- power door lock
- trunk lid opener
- panic alarm
- hazard and horn reminder