Checking components and wiring

Check the cable between control module terminal #13 and fuel pump terminal 2. Check for an open-circuit. Check for a short-circuit to ground.

Check the cable between control module terminal #11 and fuel pump (FP) terminal 1. Check for an open-circuit.

Replace the fuel pump (FP) if no fault is found in the wiring.

Remedy as necessary.

Other information: 

• To access the control module or connect the breakout box, see Connecting the breakout box
• To access or replace the fuel pump (FP), For cars manufactured up to w38 2001 inclusive, see Fuel pump, auxiliary heater, replacing For cars manufactured from w39 2001 inclusive, see Fuel pump auxiliary heater, replacing
• For other values, see Signal specification
• See Checking wiring and terminals .

Fig 1: Identifying Fuel Pump Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification