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

Signal Too High/Low






Signal too high / low

Checking the wiring and component
Check the connections between the right-hand keypad and the infotainment control module (ICM). Check for contact resistance and oxidation. Check for loose connections. Check for damage in particular.
Visually check the cable between the keypad and the control module for damage.
If no faults were found, try a new keypad.
Remedy as necessary.

Other information:
- To replace the right-hand keypad, see Infotainment control module (ICM), replacing Infotainment Control Module (ICM), Replacing





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.
Activate the infotainment unit and check that all the buttons in the relevant keypad function.
Click on the VCT2000 symbol to check the buttons by reading off the status of the relevant button.










Do all the buttons operate normally?

Yes - Troubleshooting procedure complete

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 - Checking the wiring and component

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