Checking The Glow Plugs

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  No checks are necessary if cables, connections respectively the heaters fan motor for combustion air are OK.

  Corrective actions 

  1. Change the burner. If the fault is not rectified, replace the heater.

  Other information: 

  • see LOCATION OF COMPONENTS
  • see FUEL-POWERED PREHEATER, CHECKING
  • see FUEL FIRED BOOSTER HEATER
  Fig 2: Identifying Booster Heater Burner Component

  Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to INFORMATION