Audible Warning Device: Description and Operation

MODELS WITH POWER DOOR LOCKS

The warning chime is integral with the smart entrance control unit, which controls its operation.
Power is supplied at all times:
^ through 10 A fuse (No. (15), located in the fuse block [J/B])
^ to key switch terminal (1).
Power is supplied at all times:
^ through 10 A fuse (No. (36), located in the fuse and fusible link box)
^ to lighting switch terminal (11).
Power is supplied at all times:
^ through 25 A fusible link (letter (f), located in the fuse and fusible link box)
^ to circuit breaker terminal (1)
^ through circuit breaker terminal (2)
^ to smart entrance control unit terminal (1).
With the ignition switch in the ON or START position, power is supplied:
^ through 7.5 A fuse (No. (8), located in the fuse block [J/B])
^ to smart entrance control unit terminal (11).
Ground is supplied to smart entrance control unit terminal (10) through body grounds (M43), (M44) and (M60).
When a signal, or combination of signals, is received by the smart entrance control unit, the warning chime will sound.

Ignition key warning chime
With the key in the ignition key cylinder, the ignition switch in the OFF or ACC position, and the driver's door open, the warning chime will sound. A battery positive voltage is supplied:
^ from key switch terminal (2)
^ to smart entrance control unit terminal (24)
Ground is supplied:
^ to smart entrance control unit terminal (15)
^ from front door switch LH terminal (2).
Front door switch LH terminal (3) is grounded through body grounds (B14) and (B17).

Light warning chime
With ignition switch in the OFF or ACC position, driver's door open, and lighting switch in parking lamp (1ST) position or headlamp "ON" (2ND) position, the warning chime will sound. A battery positive voltage is supplied:
^ from lighting switch terminal (12)
^ to smart entrance control unit terminal (25)
Ground is supplied:
^ to smart entrance control unit terminal (15)
^ from front door switch LH terminal (2).
Front door switch LH terminal (3) is grounded through body grounds (B14) and (B17).

Seat belt warning chime
The warning chime sounds for approximately 6 seconds when ignition switch is turned from OFF to ON or START and driver's seat belt is unfastened.
Ground is supplied:
^ to smart entrance control unit terminal (21)
^ from seat belt switch terminal (1).
Seat belt switch terminal (2) is grounded through body grounds (B14) and (B17).

MODELS WITHOUT POWER DOOR LOCKS

The warning chime is controlled by the warning chime unit.
Power is supplied at all times:
^ through 10 A fuse (No. (15) located in the fuse block [J/B])
^ to key switch terminal (1).
Power is supplied at all times:
^ through 10 A fuse (No. (36), located in the fuse and fusible link box)
^ to lighting switch terminal (11).
With the ignition switch in the ON or START position, power is supplied:
^ through 7.5 A fuse (No. (8), located in the fuse block [J/B])
^ to warning chime unit terminal (1).
Ground is supplied to warning chime unit terminal (8) through body grounds (M43) , (M44) and (M60).
When a signal, or combination of signals, is received by the warning chime unit, the warning chime will sound.

Ignition key warning chime
With the key in the ignition key cylinder, the ignition switch in the OFF or ACC position, and the driver's door open, the warning chime will sound. A battery positive voltage is supplied:
^ from key switch terminal (2)
^ to warning chime unit terminal (5).
Ground is supplied:
^ to warning chime unit terminal (7)
^ from front door switch LH terminal (2).
Front door switch LH terminal (3) is grounded through body grounds (B14) and (B17).

Light warning chime
With ignition switch in the OFF or ACC position, driver's door open, and lighting switch in parking lamp (1ST) position or headlamp "ON" (2ND) position, the warning chime will sound. A battery positive voltage is supplied:
^ from lighting switch terminal (12)
^ to warning chime unit terminal (4).
Ground is supplied:
^ to warning chime unit terminal (7)
^ from front door switch LH terminal (2).
Front door switch LH terminal (3) is grounded through body grounds (B14) and (B17).

Seat belt warning chime
The warning chime sounds for approximately 6 seconds when ignition switch is turned from OFF to ON or START and driver's seat belt is unfastened.
Ground is supplied:
^ to warning chime unit terminal (2)
^ from seat belt switch terminal (1).
Seat belt switch terminal (2) is grounded through body grounds (B14) and (B17).