Signal Missing. Permanent Fault

Signal missing. Permanent fault

Checking the component




- Check that the rear fog lamp relay (position 2/49) is correctly installed.
- Remedy as necessary.
- Ignition on.
Activate the rear fog lamps by pressing ON and OFF a few times.

Other information:
- For further information about signals and other values, see Signal specification Pinout Values and Diagnostic Parameters.
- To access and replace the relay, see Relay/fuse box cargo compartment/Rear electronic module (REM), replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing.
- When the relay is installed but not activated, the voltage at the relay guide (terminal #2) should be 12 V.









Are the rear fog lamps working?

Yes - Fault Found

No - Replacing the component

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Replacing the component
Replace the rear fog lamp relay (position 2/49). Check the relay terminal, in particular the relay guide (2/49 terminal #2), for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Other information:
- For further information about signals and other values, see Signal specification Pinout Values and Diagnostic Parameters.
- To access and replace the relay, see Relay/fuse box cargo compartment/Rear electronic module (REM), replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing.
- When the relay is installed but not activated, the voltage at the relay guide (terminal #2) should be 12 V.










Continue - Verification

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Verification




Verification

Verification

Hint: After the repair it is necessary to check that the fault has been rectified.








- Ignition off.
- Install the components, connect the connectors, etc.
- Ignition on.
Activate rear fog lamps.





Do the rear fog lamps work?

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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Attempt New Test - Checking the component

FAULT-TRACING FAILED - No Fault Found

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