System Description: Notes

Power is supplied at all times

Through 50A fusible (link letter f, located in the fuse and fusible link box)
To BCM terminal 70 and
Through 10A fuse [No. 19, located in the fuse block (J/B)]
To key switch and key lock solenoid terminal 3
Through 15A fuse [No. 22, located in the fuse block (J/B)]
To BCM terminal 57.

With ignition key inserted, power is supplied

Through key switch terminal 4
To BCM terminal 37.

Ground is supplied to terminal 67 of BCM through body grounds M57, M61 and M79.

When the door is locked or unlocked with main power window and door lock/unlock switch, ground is supplied

To CPU is main power window and door lock/unlock switch
Through main power window and door lock/unlock switch terminal 17
Through grounds M57, M61 and M79.

Then main power window and door lock/unlock switch operation signal is supplied.

To BCM terminal 22
Through main power window and door lock/unlock switch terminal 14.

When the door is locked or unlocked with power window and door lock/unlock switch RH, ground is supplied

To CPU of power window and door lock/unlock switch RH
Through power window and door lock/unlock switch RH terminal 11
Through grounds M57, M61 and M79.

Then power window and door lock/unlock switch RH operation signal is supplied

To BCM terminal 22
Through power window and door lock/unlock switch RH terminal 16.

When the door is locked with front door lock assembly LH (key cylinder switch), group is supplied

To main power window and door lock/unlock switch terminal 4
Through key cylinder switch terminals 1 and 5
Through grounds M57, M61 and M79.

Then key cylinder switch operation signal is supplied

To BCM terminal 22
Through main power window and door lock/unlock switch terminal 14.

When the door is unlocked with front door lock assembly LH (key cylinder switch), ground is supplied

To main power window and door lock/unlock switch terminal 6
Through key cylinder switch terminals 6 and 5
Through grounds M57, M61 and M79.

Then key cylinder switch operation signal is supplied

To BCM terminal 22
Through main power window and door lock/unlock switch terminal 14.

BCM is connected to main power window and door lock/unlock switch and power window and door lock/unlock switch RH through a serial link.

When the front door switch LH is ON (door is open), ground is supplied

To BCM terminal 47
Through front door switch LH terminal 2
Through front door switch LH case ground.

When the front door switch RH is ON (door is open), ground is supplied

To BCM terminal 12
Through front door switch RH terminal 2
Through front door switch RH case ground.

When the rear door switch LH is ON (door is open), ground is supplied

To BCM terminal 48
Through rear door switch LH terminal 2
Through rear door switch LH case ground.

When the rear door switch RH is ON (door is open), ground is supplied

To BCM terminal 13
Through rear door switch RH terminal 2
Through rear door switch RH case ground.

When the back door latch (door ajar switch) is ON (door is open), ground is supplied

To BCM terminal 43
Through back door latch (door ajar switch) terminal 7
Through back door latch (door ajar switch) terminal 8
Through grounds B7 and B19.

When the glass hatch switch is ON (hatch is open) ground is supplied

To BCM terminal 30
Through glass hatch switch terminal 2
Through glass hatch switch case ground.