Traction Control System Off Indicator Inoperative - GMC chevrolet camaro 2000 Service Manual

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Brakes Antilock Brake System 5-215
Traction Control System Off Indicator Inoperative
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Circuit Description
The TCS OFF Indicator is controlled by the EBCM by
sending class 2 messages to the Instrument Panel
Cluster (IPC). It is turned on when the EBCM sets a
DTC that turns on the TCS OFF indicator. It is
also turned on or off when the Traction Control Switch
is pressed. The Electronic Brake Control
Module (EBCM) supplies 12 volts to the Traction
Control Switch, when the TCS switch is depressed
the EBCM sees the voltage go low, and that the
TCS switch state has changed. When the EBCM
receives that a switch state has changed it turns on or
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519757
Diagnostic Aids
• It is very important that a thorough inspection of
the wiring and connectors be performed. Failure
to carefully and fully inspect wiring and connectors
may result in misdiagnosis, causing part
replacement with reappearance of the malfunction.
• Thoroughly inspect any circuitry that may be
causing the complaint for the following conditions:
- Backed out terminals
- Improper mating
- Broken locks
,). off the Traction Control and sends a message to
the IPC to turn on or off the TCS OFF indicator
depending on its previous state.
- Improperly formed or damaged terminals
- Poor terminal-to-wiring connections
- Physical damage to the wiring harness