Signal Too Low

Signal too low

Checking wiring and connectors
Check the signal cable between the Upper electronic module (UEM) connector #22 and movement sensor (IMS) connector #3 for a short-circuit to ground and intermittent short-circuit to ground.
If no fault was found, try a new sensor.

Other information:
- For further information about signals and other values, see Signal description, upper electronic module (UEM) Signal Description, Upper Electronic Module (UEM)
- To connect the breakout box, see Connecting the breakout box Connecting The Breakout Box, Driver Door Module (DDM) / Passenger Door Module (PDM)
- Rear intrusion sensor Removal and Replacement
- Checking wiring and terminals Checking Wiring And Terminals.





Continue - Verification

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Verification





Verification

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








- Ignition off
- Reinstall the connectors, components etc.
Open the driver's door window. Lock the car using the remote control.
Wait 25 seconds until the alarm is active. Trigger the alarm by reaching into the car and unlocking the door from the inside using the internal door handle.

Is the function OK?

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 - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking wiring and connectors

FAULT-TRACING FAILED - No Fault Found

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