Signal Too High. Permanent Fault

Signal too high. Permanent fault

Checking the wiring and component
Check the cable between rear electronic module terminal #D1 (#B01) and "Rear windshield defroster" relay 2/82 terminal #2 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check the relay terminal, in particular relay guide 2/82 terminal #2, for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.
Try a new relay if no faults are found.

Other information:
- For further information about signals and other values, see Signal specification Signal Specification.
- To connect the breakout box, see Connecting the breakout box Connecting the Breakout Box.
- When the relay is installed and activated, the voltage at the relay guide 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.
- Connect the connectors, install the components, etc.
- Ignition on.
Activate and de-activate the relay.





Is there a clicking noise from the relay when activated and deactivated?

Yes - Troubleshooting procedure complete

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 - Checking the wiring and component

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