FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Checking the Sensor's Positive Current Supply



Checking The Sensor's Positive Current Supply





Unplug the connector:
- Solar sensor (223)









- Connect test lamp 86 11 857 to pin 1 of the female connector and a good grounding point.





- The 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 - I

YES - Checking the Sensor's Grounding - I