Internal Fault

Internal fault

Fault-tracing information
Missing function may be due to a blown fuse.
Check that the fuse for the function in question is intact.
For information about fuses, see the wiring diagram.

Was a fault detected?

Yes - Verification

No - Replacing the component

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Replacing the component
The central electronic module (CEM) has registered an internal fault.
If the fault is intermittent, it has been registered previously but is no longer present. Intermittent faults can be caused by interference at start up of the central electronic module (CEM) or may be a different type of fault which occurs on different occasions. The fault is evaluated depending on how it occurs. Replace the central electronic module (CEM) if the fault recurs.
Replace the central electronic module (CEM) if the fault is permanent.
Remedy as necessary.

Other information
- Control module relay box passenger compartment Service and Repair





Continue - Verification

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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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Fault-tracing information

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Verification

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

- Ignition off.
- Reinstall the connectors, components etc.
- Ignition on.
Activate washing on the windshield.
Check that the function is OK.

Is the function OK?

Yes - Troubleshooting procedure complete

No - Fault-tracing information

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