Checking components and wiring

Check the signal cable between the engine control module (ECM) terminal and injector terminal 2 for an intermittent open-circuit. Remedy according to Open-circuit, intermittent faults .

Check the power cable between injector terminal 1 and system relay (2/14) terminal 3 for an intermittent open-circuit. Remedy according to Open-circuit, intermittent faults .

Try a new injector if no faults are found in the above fault-tracing.

Other information 

• To connect the breakout box, see Connecting the breakout box. EMS 2000
• To replace the injector, see Replacing the injector(s) .

Fig 1: Identifying Injector Wiring Diagram

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

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