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XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)

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 954

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Ignition off

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Disconnect the RTI switch

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Ignition on.

Activate and read off the status of the buttons in the audio / carphone switch.
If the readings give a correct result, the fault is in the RTI switch.

Other information:

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To access the RTI switch, see the relevant service procedure.

Was the audio / carphone switch status OK?

Yes - Fault Found

No - Checking components and wiring

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Checking components and wiring

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 954

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