volvo Workshop Repair Guides

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Page 62
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Was the audio / carphone switch status OK?

Yes - Fault Found

No - Checking components and wiring

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Checking components and wiring

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Ignition off

-

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:

-

To access the audio / carphone switch, see the relevant service procedure.

Relays and Modules > Relays and Modules - Steering and Suspension > Relays and Modules - Steering > Steering Mounted Controls Communication Module > Component Information > Testing and Inspection > Reading and Clearing Diagnostic Trouble Codes > Page 1113

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