Checking The Component And Wiring

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS CORPORATION

Ignition off
Disconnect connector A from the phone module (PHM).
Check the cables for the Volvo On Call switch. Check for a short-circuit to supply voltage.

Take a reading between control module connector A terminals #2 (#2) and #5 (#5).

Try replacing the switch if the cable is OK.

Remedy as necessary.

Other information:
- see SIGNAL SPECIFICATION
- see CONNECTING THE BREAKOUT BOX
- see LOCATION OF COMPONENTS
- see PHONE MODULE (PHM) (2005-2011)
- see SWITCH VOLVO ON CALL
- see CONTENTS
Fig 2: Identifying Connector A Terminals
Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Ohms Display
Courtesy of VOLVO CARS CORPORATION

Fig 4: Identifying Phone Module (PHM) Connector
Courtesy of VOLVO CARS CORPORATION

Continue
Refer to VERIFICATION