Internal Fault. Permanent Fault

Internal fault. Permanent fault

Replacing keypad unit
The fault has probably occurred as a result of an internal power supply fault in the keypad unit/car-phone unit. This type of fault means that the keypad unit/car-phone unit must be replaced.

Caution! A new keypad unit/car-phone module is delivered without software. The keypad unit/car-phone module must be programmed in order to operate after replacement.

Other information:
- To program and access/replace the keypad unit/car-phone module, see Radio cassette player, replacing Radio Cassette Player, Replacing.

Select "Continue" when the fault has been remedied.

Continue - Verification

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Verification




Verification

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








- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
- Switch on the car-phone.
Make a call so that both the handset and the hands-free system are used, see the instruction manual.
Ignition off.
Ignition on.
Read off diagnostic trouble codes (DTCs).
Check that the relevant diagnostic trouble code (DTC) has switched status from permanent to intermittent fault.





Has the diagnostic trouble code (DTC) status changed?

Yes - Verification completed

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 - Replacing keypad unit

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