Signal Missing: Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

Fig 2: Connecting Connector

Courtesy of VOLVO CARS CORPORATION

• Ignition off
• Reinstall the connectors, components etc.
• Ignition on.

  Switch between parking lamps and low beam on the light switch module (LSM).

  Check on the light switch module (LSM) that each lamp activates correctly.

  Activate the combustion preheater module (CPM).

  Check that the engine coolant heater is activated.

Are both the light switch module (LSM) and combustion preheater module (CPM) working? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION