Operation CHARM: Car repair manuals for everyone.

Not Connected or Communication Problems. Permanent Fault






Not connected or communication problems. Permanent fault

Checking for contact resistance and oxidation
Check the amplifier and head unit / audio control module connectors for contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault. Remedy if necessary.

Other information:
- Radio equipment, replacing Radio Equipment, Replacing
- Radio/telephone, changing Service and Repair
- Connecting the breakout box, Audio control module Connecting the Breakout Box, Audio Control Module
- Signal specification, audio control module Signal Specification
If the sound reproduction is now OK, the fault was due to a bad connection in the connectors.

Is sound reproduction OK?

Yes - Fault Found

No - Checking the wiring and component

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Checking the wiring and component
Check the cable between the amplifier terminal #D6 and head unit terminal #D6 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Remedy as necessary.

Other information:
- Radio equipment, replacing Radio Equipment, Replacing
- Radio/telephone, changing Service and Repair
- Connecting the breakout box, Audio control module Connecting the Breakout Box, Audio Control Module
- Signal specification, audio control module Signal Specification

Select "Continue" when the fault has been remedied.

Continue - Verification

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Verification




Verification

Verification

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








- Ignition off.
- Reinstall connectors, components etc.
- Ignition on.
Check that sound reproduction is OK.

Is sound reproduction OK?

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 - Checking for contact resistance and oxidation

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