ABS Indicator Malfunction
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ABS Indicator Malfunction
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Circuit/System Description
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The instrument cluster turns ON the ABS indicator for 5 s after ignition ON or when the electronic brake control module (EBCM) detects a fault and sends a serial data message to the instrument cluster commanding the indicator ON.
Schematic Reference
Antilock Brake System Schematics
Connector End View Reference
Component Connector End Views
Description and Operation
ABS Description and Operation
Electrical Information Reference
Scan Tool Reference
Control Module References
for scan tool information
Circuit/System Verification
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Ignition ON, the ABS indicator should turn ON. After 5 s the ABS indicator should turn OFF.
1.
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Ignition ON, with a scan tool command the instrument cluster All Indicators test ON and OFF. Verify the ABS indicator turns ON and OFF.
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2.
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If the ABS indicator does not turn ON and OFF, replace the P16 Instrument Cluster.
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3.
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Verify the ABS indicator turns OFF 5 s after ignition ON.
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4.
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If the ABS indicator does not turn OFF, replace the K17 Electronic Brake Control Module.
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Perform the
Diagnostic Repair Verification
after completing the diagnostic procedure.
Control Module References
for instrument cluster or EBCM replacement, setup and programming