Checking the power cable

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Disconnecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Disconnect the injector connector
• Ignition on.

  Connect a voltmeter between injector connector terminal 1 (control module side) and ground.

  Fig 3: Identifying Injector Connector Terminals

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Voltage Display

  Courtesy of VOLVO CARS OF NORTH AMERICA.

The voltmeter should read battery voltage for 2 seconds immediately after the ignition is switched on. 

• OK 

  Refer to Checking injectors 

• NOT OK 

  Refer to Checking wiring and terminals