Hazard and Horn Reminder: Notes
Power is supplied at all times
- to vehicle security horn relay-1 terminals 1 and 3, and
- to vehicle security horn relay-2 terminal 1
- through 10A fuse (No. 61, located in the fusible link and fuse box), and
- to horn relay terminal 2
- through 10A fuse (No. 57, located in the fusible link and fuse box)
When smart entrance control unit receives LOCK or UNLOCK signal from keyfob with all doors closed, ground is supplied
- to vehicle security horn relay-2 terminal 2
- through smart entrance control unit terminal 42
Vehicle security horn relay-2 is then energized
- to horn relay terminal 1, and
- to vehicle security horn relay-1 terminal 2
- through vehicle security horn relay-2 terminals 5 and 3, and
- through body ground E11, E22 and E53
- to smart entrance control unit terminals 47 and 48 from hazard warning lamp system.
Vehicle security horn relay-1 and horn relay are now energized, and hazard warning lamp flashes and horn sounds as a reminder.
The hazard and horn reminder has six steps.