Ignition Key Warning Chime

WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.

With the key inserted in the ignition switch, the ignition switch in OFF position, and the driver's door open, the warning chime will sound.

Power is supplied

Through key switch terminal 1
To BCM terminal 37.

Ground is supplied

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

Front door switch LH is case grounded.

BCM detects key inserted into the ignition switch, and sends key warning signal to combination meter via CAN communication lines. When the combination meter receives key warning signal, it sounds warning chime.