XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)
Was the audio/carphone switch status OK?
Yes - Troubleshooting complete
No - Checking components and wiring
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Checking components and wiring 2
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Ignition off
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Disconnect the audio/carphone switch by disconnecting the lower connector on the audio/carphone switch
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Ignition on.
Activate the buttons. Read off the status of the buttons in the cruise control switch
If the readings give a correct result, the fault is in the audio/carphone switch.
Other information:
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To access the audio/carphone switch, see Keypad steering wheel, replacing, TF-80SC AWD, AW50/51 AWD, M66 AWD See: Accessories and
Optional Equipment/Sensors and Switches - Accessories and Optional Equipment/Steering Mounted Controls Assembly/Service and