Hazard And Horn Reminder

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 security horn relay terminal 2
through 10A fuse (No. 78, located in the fuse, fusible link and relay box).

When BCM receives a LOCK or UNLOCK signal from electronic key, ground is supplied

[when specific door switch is ON (specific door is OPEN), BCM does not receive a LOCK signal (BCM receives a UNLOCK signal)]

to security horn relay terminal 1
through BCM terminal 127.

When BCM receives a LOCK or UNLOCK signal from electronic key, power is supplied

[When specific door switch is ON (specific door is open), BCM does not receive a LOCK signal.]

to combination flasher unit terminal 6
through BCM terminal 7.
combination flasher unit and security horn relay are now engaged, and hazard warning lamps flash and security horn sounds as a reminder.