9-3 (9440) FaultTrace Mode

Checking the pump control module power supply

For more information. 

Unplug the connector:

TCS/ESP control module 382/671

Connect test lamp 86 11 857 to pin 12 of the female connector and a good grounding point.

• Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

The test lamp should light.

Is the function correct?

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