Checking Control Module Grounding

Checking Control Module Grounding







Unplug the connector.
- STC (565)

















Take a voltage reading.
- B+
- 29 - STC

The value should be B+.

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 - I

YES - Checking the Control Module +30 Power Supply