Signal Too High. Permanent Fault

Signal too high. Permanent fault

Replacing the component
Replace the relay for the rear foldable head restraint (position 2/75). Check the relay connection, in particular the relay guide (2/75 terminal 2), for a short-circuit to supply voltage 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 Signal Specification.
- To access / replace the relay, see Integrated relay/fusebox cargo compartment/Rear electronic module (REM), replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing.
- When the relay is installed and activated, the voltage at the relay guide (terminal 2) should be 0 V.









Continue - Verification

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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.
- Make sure that head restraint is folded up.
Head restraints are folded up manually.
- Ignition on.
Activate rear collapsible head restraint. Check that the head restraint folds down. The function switches off in 120 seconds if activated more than four times in one minute.





Do head restraints fold down?

Yes - Verification completed

No - 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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Replacing the component

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