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 Ohm Meter

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