FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Check the Control Module's Power Supply




Check the Control Module's Power Supply







Unplug the connector.
- Control module, TWICE (632)












- Connect test lamp 86 11 857 between pin 47 on the female connector and a good grounding point.







- 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 - III

YES - Rectifying the Lead - II