FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Signal Too High






Signal too high

Checking the wiring








- Ignition off
- Disconnect the connector to the Integrated Audio Module (IAM).
Check the connections with regard to contact resistance, play and oxidation.
Check the antenna cable between the Integrated Audio Module (IAM) and the speaker in the left-hand front door with regard to short circuits to supply voltage.
Measure between:
- Integrated audio module (IAM) terminal #A5 and speaker terminal #1 in the left front door.
- Integrated audio module (IAM) terminal #A12 and speaker terminal #2 in the left front door.
Remedy as necessary.

Other information
- Signal specification Signal Specification, Integrated Audio Module (IAM)
- Location of components Component Location, Integrated Audio Module (IAM)
- 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 the sound is heard from the speakers by testing the CD player.

Are the speakers working?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFIED - FAULT FOUND

VERIFICATION FAILED - Fault-tracing information

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Fault-tracing information

Attempt New Test - Checking the wiring

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