Chrysler Crossfire. Manual — part 89
ELECTRONIC
ST
ABILITY
PROGRAM
CIRCUIT
DIAGRAM
(3
OF
3)
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
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ELECTRICAL - BAS ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
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CAB INTERNAL FAILURE
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
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CAB INTERNAL FAILURE (CONTINUED)
When Monitored and Set Condition
•
When Monitored: Continuous.
•
Set Condition: If the Controller Antilock Brake (CAB) detects an internal malfunction, the DTC is set.
POSSIBLE CAUSES
FUSED B(+) CIRCUIT
CONTROLLER ANTILOCK BRAKE
For a complete Brake Assist System (BAS) Circuit Diagram (Refer to 5 - BRAKES/ELECTRICAL - SCHEMATICS
AND DIAGRAMS).
Diagnostic Test
1.
MEASURE THE VOLTAGE OF THE CAB FUSED B(+) CIRCUIT
Turn the ignition off.
Disconnect the CAB harness connector.
Note: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Fused B(+) circuit at cavity 45 of the CAB
harness connector.
Is the voltage between 12 and 16 volts?
Yes
>> Go to 2
No
>> System voltage must be between 12 and 16 volts. Repair
the voltage concern as necessary.
Perform ABS VERIFICATION TEST.
2.
MEASURE THE VOLTAGE OF THE CAB FUSED B(+) CIRCUIT
With the ignition on.
Measure the voltage of the Fused B(+) circuit at cavity 47 of the CAB
harness connector.
Is the voltage between 12 and 16 volts?
Yes
>> Replace the Controller Antilock Brake. (Refer to 8 - ELEC-
TRICAL/ELECTRONIC CONTROL MODULES/CONTROL-
LER ANTILOCK BRAKE - REMOVAL).
Perform ABS VERIFICATION TEST.
No
>> System voltage must be between 12 and 16 volts. Repair
the voltage concern as necessary.
Perform ABS VERIFICATION TEST.
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BRAKES - ABS ELECTRICAL DIAGNOSTICS
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