XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003)
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Checking components and wiring
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Ignition off
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Disconnect the audio/carphone wiring by disconnecting the lower connector on the cruise control 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 wiring between the audio/carphone switch and the cruise control switch.
Other information:
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To access the cruise control 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
Repair/Keypad Steering Wheel, Replacing.
Was the status of the cruise control switch OK?
Yes - Troubleshooting procedure complete