Otc C0090 Rr Abs Solenoid #1 Circuit Malfunction - GMC chervolet camaro 1999 Service Manual

5-174 Antilock Brake System Brakes
OTC C0090 RR ABS Solenoid #1. Circuit Malfunction
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0.8PNK 739
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Traction
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Voltage
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Voltage
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Control
I . Solenoid Valve I
Module
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Solenoid Valve
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Brake Pressure
Modulator Valve
(BPMV)
2 BU< 651
.... G101
Circuit Description
Conditions for Clearing the OTC
213283
The Inlet valve solenoid circuits are supplied with
battery power when the ignition is in the run position.
The EBTCM controls the valve functions by
grounding the circuit when necessary.
• Condition for OTC is no longer present and scan
tool clear OTC function is used.
Conditions for Setting the OTC
The EBTCM senses a discrepancy such as an open,
short to ground, or short to voltage in the circuit.
Action Taken When the OTC Sets
• A malfunction OTC is stored.
• ABS!TCS disabled
• ABS!TCS Indicators are turned on.
• The Red BRAKE Warning Indicator turns on.
• 100 ignition cycles pass with no OTC detected.
Test Description
The numbers below refer to step numbers on the
Diagnostic Table.
2. This step determines if the OTC is current.
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