QX4 2WD V6-3.5L (VQ35DE) (2003)
Audible Warning Device: Description and Operation
System Description
The warning chime is controlled by the smart entrance control unit.
The warning chime is located in the smart entrance control unit.
Power is supplied at all times
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through 7.5A fuse [No. 24, located in fuse block (J/B)]
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to smart entrance control unit terminal 49 and
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to key switch terminal 2,
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through 10A fuse (No. 61, located in the fuse and fusible link box)
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to tail lamp relay terminals 1 and 3.
When the ignition switch in the ON or START position, power is supplied
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through 7.5A fuse [No. 11, located in the fuse block (J/B)]
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to smart entrance control unit terminal 27.
Ground is supplied
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to smart entrance control unit terminals 43 and 64
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through body grounds M77 and M111.
When a signal, or combination of signals, is received by the smart entrance control unit, the warning chime will sound.
IGNITION KEY WARNING CHIME
When the key in the ignition switch in the OFF position, and the driver's door open, the warning chime will sound.
Power is supplied
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from key switch terminal 1
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to smart entrance control unit terminal 25.
Ground is supplied
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from front door switch LH terminal 1
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to smart entrance control unit terminal 1.
Front door switch LH terminal 2 is grounded through body grounds B11, B22 and D210.
LIGHT WARNING CHIME
When ignition switch OFF, driver's door open, and lighting switch in 1ST or 2ND position, warning chime will sound.
Power is supplied.
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from tail lamp relay terminal 2
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to smart entrance control unit terminal 19 and 57.
Ground is supplied
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from front door switch LH terminal 1
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to smart entrance control unit terminal 1.
Front door switch LH terminal 2 is grounded through body grounds B11, B22 and D210.
SEAT BELT WARNING CHIME
With ignition switch turned ON and seat belt unfastened (seat belt buckle switch ON), warning chime will sound for approximately 6 seconds.
Ground is supplied
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from seat belt buckle switch terminal 1
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to smart entrance control unit terminal 28.
Seat belt switch terminal 2 is grounded through body grounds B11, B22 and D210.