Signal Too Low. Permanent Fault

Signal too low. Permanent fault

Checking components




- Ignition off.
Check the cable between the control module's connector B2#12(#A12) and the wiper motor's connector #4 for open circuit, contact resistance, and oxidation. Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault
Check that the wiper motor and wiper arms do not bind.
If no fault is found, try with a new wiper motor.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting The Breakout Box. Central Electronic Module (CEM)
- Signal specification Signal Specification. Central Electronic Module (CEM)
- To access/replace the wiper motor, see: Windshield washer / wiper mechanism and motor Windshield Washer/Wiper Mechanism And Motor









Select Continue.

Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off.
- Reinstall the connectors, components etc.
- Ignition on.
Activate the windshield wiper intermittent position using the washer / wiper switch.
Read off the signal from the parking position switch. It must be both Parked and Not parked.





Is the signal OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information

FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking components

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