Power Supply And Ground
WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
Power is supplied at all times
- to BCM terminal 105
- through 10A fuse [No.3, located in the fuse block (J/B) No. 1]
- to key switch terminal 3
- through 10A fuse [No.32, located in the fuse block (J/B) No. 2].
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
- to BCM terminal 69
- through key switch terminal 4.
When the ignition switch is ACC, power is supplied
- to BCM terminal 60
- through 10A fuse [No. 21, located in the fuse block (J/B) No. 1].
When door switch is in OPEN position, ground is supplied
- to BCM terminal 142 (driver side), 37 (passenger side), 33 (Rear LH),143 (Rear RH)
- through door switches terminal 1.
When door is unlocked, ground is supplied
- to driver door control unit (LCU01) terminal 6 or passenger, rear LH, RH door control unit terminal 2
- from terminal 2 of each door unlock sensor.
Electronic key signal input
- to BCM terminal 27
- through remote keyless entry receiver.
The remote keyless entry system controls operation of the
- power door lock
- hazard and horn reminder
- trunk lid opener
- panic alarm
- keyless power window down (open)
- auto door lock
- map lamp.
BCM is connected to LCU01 via DATA LINE A-3.