volvo Workshop Repair Guides

Volvo Workshop Manuals

< PREV PAGE NEXT PAGE >
Page 20
background image

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

Trouble-Shooting Information

Trouble-shooting information

Condition

-

No SWM diagnostic trouble codes are displayed in the CEM

-

No diagnostic trouble codes are displayed in the PHM.

Possible source

-

Open circuit, short-circuit to earth or short-circuit to voltage supply on the wire

-

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

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 1190

< PREV PAGE NEXT PAGE >