Avalanche 1500 2WD V8-5.3L VIN T (2002)
Seat Belt: Description and Operation
Front Seat Belt System Operation
CAUTION: To help avoid personal injury from unrepaired crash damage to a restraint system:
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Replace each seat belt system worn during a crash unless the crash was minor.
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Perform the seat belt check tar each seat belt system. Replace the seat belt system if there is any doubt about the condition of system
components.
1. The front seat belt system includes a driver and/or passenger seat belt retractor and buckle.
2. The LF seat belt system, includes a seat belt switch in the LF seat buckle which controls a fasten safety belts indicator and a tone alarm. When the
LF seat belt is buckled, the LF door closed, and the ignition switch is in the ON position, the following events occur:
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The tone alarm will not operate.
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The fasten safety belts indicator will not operate.
3. When the LF seat belt is not buckled, the LF door closed, and the ignition switch is in the RUN position, the following events will occur:
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The tone alarm will operate for 4 to 8 seconds and then turn OFF.
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The fasten safety belts indicator will operate for 20 seconds, until the LF seat bell is buckled.
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Then the fasten safety belts indicator will flash for an additional 55 seconds before turning OFF.
To diagnose a failure of the fasten safety belts indicator refer to Symptoms Seat Belts or the tone alarm, refer to Audible Warnings in
Instrument Panel, Gauges and Warning Indicators.
