FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Faulty Signal






Faulty signal

Checking the function of the hydraulic valves








- Ignition off
- Check the connector on the brake control module (BCM). Check for contact resistance. Check for oxidation
- Reconnect the components, connectors, etc.
- Ignition on.
Try to activate the hydraulic valves.
There must be a clear "ticking" noise.

Other information
- Connecting the breakout box, B5254T7 Connecting the Breakout Box, Brake Control Module (BCM)
- Checking wiring and terminals Checking Wiring and Terminals





Can the valves be activated?

Yes - FAULT FOUND

No - Replacing the brake control module (BCM), calibration

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Replacing the brake control module (BCM), calibration

Caution! The brake control module (BCM) must be calibrated when it has been replaced.

Anti-lock Brake System Module (ABS) Anti-Lock Brake System Module (ABS)





Continue - FAULT FOUND

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