9-3 (9440) FaultTrace Mode

Check the ground lead to the sensor

Connect test lamp 86 11 857 between female connector pin 1 and pin 3.

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?