Remote Keyless Entry System Operation

Power is supplied at all times

To BCM terminal 55
Through 50A fusible link [letter F, located in fuse and fusible link block], and
To combination meter terminal 43
Through 10A fuse [No. 19, located in fuse block (J/B)].

Ground is supplied

To BCM terminal 52
Through grounds M30 and M66, and
To combination meter terminals 45 and 46
Through grounds M30 and M66.

When the remote keyless entry system is triggered by input from keyfob, BCM supplies power

To front combination lamp LH terminal 6
To rear combination lamp LH terminal 3
Through BCM terminal 45
To front combination lamp RH terminal 6
To rear combination lamp RH terminal 3
Through BCM terminal 46.

Ground is supplied

To front combination lamp LH terminal 4 through grounds E17 and E43.
To front combination lamp RH terminal 4 through grounds E17 and E43.
To rear combination lamp LH terminal 4 through ground B103.
To rear combination lamp RH terminal 4 through ground B103.

BCM also supplies input to combination meter terminals 27 and 28 across CAN communication lines. This input is processed by unified meter control unit in combination meter, which in turn supplies ground to left and right turn signal indicator lamps.

With power and ground supplied, BCM controls the flashing of hazard warning lamps when key fob is used to activate remote keyless entry system.