Operation CHARM: Car repair manuals for everyone.

Signal Missing







Signal missing. Permanent fault

Checking the cable




- Ignition on
- Try to activate the motor.

Hint: The resistance between terminals #9E and #10E must be approximately 0 ohms.

Check the cable between the power seat module (PSM) #9E and the motor. Check for an open-circuit. See Checking wiring and terminals. Permanent fault Checking Wiring And Terminals. Permanent Fault.
Remedy as necessary.
If no fault is found try replacing the motor.

Other information:
- To access or replace the motor, see Electric motor cushion, replacing Electric Motor Cushion, Replacing
- To connect the breakout box, see Connecting the breakout box, power seat module (PSM) Connecting The Breakout Box, Power Seat Module (PSM)
- For information about signals, see Signal specification, Power seat module Signal Specification, Power Seat Module (PSM).













Continue - Verification

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Verification
Activate the motor.





Does the motor operate as it should?

Yes - FAULT FOUND

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 cable

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