Activated Too Long. Permanent Fault

Activated too long. Permanent fault

Other diagnostic trouble codes (DTCs)
The combination of diagnostic trouble codes (DTCs) can determine where the fault originated.





Are two or more of diagnostic trouble codes (DTCs) SWM-001B, SWM-001C, SWM-001D, SWM-001E, SWM-0020, SWM-0021 stored?

Ja - Checking the cable and component

Nej - Checking the button

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Checking the button
Ensure that the none of the buttons in the audio and carphone switch are jammed in the depressed position.
Remedy as necessary

Other information:
- To access or replace the audio and carphone switch, see the relevant service procedure.



Continue - Verification

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Checking the cable and component
If the car is equipped with a Road Traffic Information (RTI) system, disconnect the RTI switch from the electrical radio and audio switch. This is so that the fault can be located.
Read off the status of the buttons in the audio and carphone switch.
If any of the buttons are activated without having been depressed, the fault is in the RTI switch.
Disconnect the lower switch from the audio and radio switch. This is so that the fault can be located.
Read off the status of the buttons in the audio and carphone switch.
If any of the buttons are activated without having been manually depressed, the fault is in the audio and carphone switch.
Disconnect the lower switch from the cruise control switch. This is so that the fault can be located.
Read off the status of the buttons in the audio and carphone switch.
If any of the buttons are activated without having been manually activated, the fault is in the cruise control switch, or in the cable between the cruise control switch and the radio and carphone switch.
Remedy as necessary.

Other information:
- To access or replace the RTI switch, see RTI switch RTI Switch
- To access or replace the audio and carphone switch, see
- To access or replace the cruise control switch, see the relevant service procedure.







Continue - Verification

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Verification




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.
Check that all buttons on audio/telephone switch unit work.





Do buttons work?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - Fault Found

VERIFICATION FAILED - 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 - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Other diagnostic trouble codes (DTCs)

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