FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Fault-Tracing Information






Fault-tracing

Checking the connectors
Check the power supply cables from the battery to Brake control module (BCM). Check for an open-circuit. Check for loose connections, contact resistance and oxidation.
Check the ground cables between the Brake control module (BCM) and the ground terminal. Check for an open-circuit. Check for loose connections. Check for contact resistance and oxidation.
Check the connectors for loose connections, damaged or bent terminal pins and oxidation.

Other information
- Checking wiring and terminals Checking Wiring and Terminals. Permanent Faults

Was a fault detected?

Yes - Verification

No - Checking CAN cables

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Switch on the ignition for at least 10 seconds.
Try communicating with the control module by selecting one of the functions for vehicle communication under the DIAGNOSTICS tab.

Is communication established?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information

Attempt New Test - Checking the connectors

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Checking CAN cables

No Fault Found - Fault-tracing information

DONE - DONE

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