Signal Missing

Signal missing

Checking the component and wiring








- Ignition off.
- Unplug the connector for the loudspeaker in the right door.
Check the cable terminals. Check for contact resistance, loose connections and oxidation.

Note! Only visually check the treble loudspeaker. Check for oxidation and loose connections. Do not carry out any electrical fault-tracing on the treble loudspeaker.

Check the cable terminals in the female and male sections of the connector. The cable terminals must not be damaged or pressed back.
Check the signal cable between the Audio module (AUD) #B3 and the loudspeaker #2 in the right door for open circuit.
Check the signal cable between the Audio module (AUD) #B11 and the loudspeaker #1 in the right door for open circuit.

Hint: Check the connector between Audio module (AUD) and the loudspeaker in the right door for contact resistance, loose connection and oxidation.

Check the loudspeaker connector terminals #1 and 2 in the right-hand door. Check for an open-circuit.
Remedy as necessary.

Other information
- Connecting the breakout box Connecting the Breakout Box, Audio Module (AUD)
- Signal specification Signal Specification, Audio Module (AUD)
- Audio Module Audio Module
- Loudspeaker, side door front Loudspeaker, Front Side Door
- Checking wiring and terminals Checking Wiring and Terminals









Continue - Verification

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Verification




Verification

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








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Check that there is sound heard from the loudspeakers for the audio module (AUD) by trying the FM/AM radio, CD or MD player.

Is the function OK?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information

Attempt New Test - Checking the component and wiring

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