Checking the ABS Power Supply and Grounding

Checking the ABS power supply and grounding







Unplug the connector.
- Control module, ABS (547)







- Turn the ignition switch to the ON position.












- Connect test lamp 86 11 857 to pin 15 of the control module's female connector and a good ground.







- The test lamp should light.

Checking the wiring harness.
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter, test lamp or diagnostic tool while doing this.

Is the function correct?

NO - Rectifying the Lead - II

YES - Checking the ABS Control Module's Ground Connection