Hazard and Horn Reminder

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

to horn relay terminal 2
through 10A fuse (No. 32, located in the fuse and fusible link box).

When BCM receives LOCK or UNLOCK signal from key fob with all doors closed, BCM sends horn chirp signal to IPDM E/R.

IPDM E/R grounds horn relay

to horn relay terminal 1
through IPDM E/R terminal 51, and
to BCM terminals 45 and 46 from hazard warning lamp system

Horn relay is now energized, and hazard warning lamp flashes and horn sounds as a reminder

The hazard and horn reminder has C mode (horn chirp mode) and S mode (non-horn chirp mode).