Checking the Switch's Power Supply - II

Checking the Switch's Power Supply







Unplug the connector:
- Switch, cruise control (141)

















Take a voltage reading.
7 - Switch, cruise control
B-

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 - Continue with Checking the switch's power supply.

YES - Checking the Lead From Switch to Control Module - II






















- Connect test lamp 86 11 857 to the upper pin of the fuse holder 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 - V

YES - Checking the Fuse - I