XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003)
-
Ignition off
-
Disconnect the RTI switch
-
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:
-
To access the RTI 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 audio/carphone switch status OK?
Yes - Troubleshooting procedure complete
No - Checking components and wiring
-------------------------------------------------