Checking Cables And Connections To The Glow Plug

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  Check the glow plug for damage or loose installation.

  Check for signs of corrosion.

  Corrective actions 

  1. In case of damage by Combustion preheater module (CPM) connector.
  2. In case of damaged connector/cable to glow plug.

  Other information: 

  • see CHECKING WIRING AND TERMINALS
  • see FUEL-POWERED PREHEATER, CHECKING
  • see FUEL FIRED BOOSTER HEATER
  Fig 2: Identifying Booster Heater

  Courtesy of VOLVO CARS CORPORATION

Has the fault been remedied? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING THE GLOW PLUGS