Signal Too High

Signal too high

Checking cable and component
- Disconnect connector C from the rear electronic module (REM).

Hint: The signal loop runs from rear electronic module (REM) terminal #48 (#C8) to the glass breakage loop in the right-hand rear window, to the glass breakage loop in the left-hand rear window and then to the ground terminal.

Check the glass breakage loop and the intermediate cable between rear electronic module (REM) terminal #48 (#C8) and the ground terminal. Check for a short-circuit to supply voltage.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting Breakout Box, Rear Electronic Module (REM)
- Signal specification Signal Specification, Rear Electronic Module (REM)
- Disconnecting the rear electronic module (REM): Integrated relay / fusebox cargo compartment / rear electronic module, replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing
- Checking wiring and terminals Checking Wiring And Terminals


Continue - Verification

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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
- Shut all the doors. Activate the alarm. Wait 25 seconds until the car is alarmed
- Then deactivate the alarm
- Read off diagnostic trouble codes (DTCs).
Check if the status of the diagnostic trouble code (DTC) is intermittent.





Is the status intermittent?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - Fault Found

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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 cable and component

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