Checking The Signal Cable

Check the cable between the light switch module (LSM) terminal #3 (3/111) and central electronic module (CEM) terminal #18A. Check for a short-circuit to supply voltage.

Remedy as necessary.

Other information: 

• For information on the central electronic module (CEM):
  • For -2004, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING
  • For 2005-, see: CENTRAL ELECTRONIC MODULE (CEM), REPLACING .
• To replace the light switch module (LSM), see SWITCHES LIGHTS, REPLACING
• see CHECKING WIRING AND TERMINALS .

Fig 1: 10 CD Changer Connector Terminals

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Voltage Display

Courtesy of VOLVO CARS CORPORATION

Fig 3: Ground Terminals

Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to INFORMATION