volvo Workshop Repair Guides

Volvo Workshop Manuals

< PREV PAGE NEXT PAGE >
Page 61
background image

-

Defective RTI switch unit

-

Defective audio/telephone switch unit

-

Defective cruise-control switch unit.

Fault symptom[s]

-

RTI switch unit does not work.

Checking the RTI Switch

Checking the RTI switch

Checking components and wiring

-

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 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 1112

< PREV PAGE NEXT PAGE >