Signal Missing

Signal missing

Checking the component
If the malfunction is intermittent, it means that the malfunction has been registered at an earlier time but the malfunction no longer remains. Intermittent faults can occur for a number of different reasons. The fault is evaluated depending on how it occurs.
Check the fuse for the power seat module, left (PSL).
Check the signal cable between control module terminal #A3 and seat motor 2. Check for an open-circuit. Check for contact resistance.
Replace the signal cable if a fault is found.
Try replacing the motor if no fault is found.
Remedy as necessary.

Other information:
- Electric motor, backrest rake Electric Motor, Backrest Rake
- Checking wiring and terminals Checking Wiring and Terminals
- Signal specification Signal Specification, Power Seat Module Left (PSL)
- For information about fuses, see the wiring diagram.





Continue - Verification

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Verification









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

- Ignition off.
- Reinstall the connectors, components etc.
- Ignition on.
Check that seat operation functions. Move the seat manually in all directions.

Can the seat be operated?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information

FAULT-TRACING FAILED - DONE

Attempt New Test - Checking the component

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