volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Reading and Clearing Diagnostic Trouble Codes|Page 12231 > < Reading and Clearing Diagnostic Trouble Codes|Page 12229
Page 9
background image

-

Ignition on.

Activate buttons and read status on audio/telephone switch unit buttons.
If read-out gave a correct result the fault is not in the SWM unit.

Did read-out of status on audio/telephone switch unit give a correct result?

Yes - No Fault Found

No - Vehicle equipment

-------------------------------------------------

Vehicle equipment

Is the vehicle equipped with RTI?

Yes - Checking the wires and components

No - Checking the wires and components

Reading and Clearing Diagnostic Trouble Codes|Page 12231 > < Reading and Clearing Diagnostic Trouble Codes|Page 12229