Signal Too Low

Signal too low

Checking the component
Check that the fuse for the intermittent relay, windshield wipers is intact.
Replace relay 2/91.
Activate the relay for windshield wipers on.
If the function is OK the cause of the fault was a damaged relay (open-circuit in the relay).

Other information:
- For further information about fuses and relays, see the relevant wiring diagram.
- For information about fuse and terminal numbers, see the relevant Wiring Diagram.

Was the function OK?

Yes - Verification

No - Checking fusebox

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Checking fusebox
Remove windshield wiper relay 2/91 from the fusebox base.
Check the relay base terminals. Check for contact resistance and oxidation.
Check the cable between relay base 2/91 terminal #2 and central electronic module (CEM) terminal #C4 (4). Check for an open-circuit.
Reinstall and activate the relay.
Remedy as necessary.

Other information
- For further information about fuses and relays, see the relevant wiring diagram
- Checking wiring and terminals Checking Wiring And Terminals





Was the function OK?

Yes - Verification

No - Checking the wiring

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Verification




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 wipers.
Check that the windshield wipers work in all positions.

Are the windshield wipers working?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking fusebox

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Checking the wiring
Remove windshield wiper relay 2/91 from the fusebox base.
Check the cable between relay base terminal #2 and ground. Check for a short-circuit to ground.
Remedy as necessary.
Replace the fusebox if no fault is found.

Other information
- For further information about fuses and relays, see the relevant wiring diagram
- Checking wiring and terminals Checking Wiring And Terminals


Continue - Verification

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