Checking The Component And Wiring

Read off the fuel pump (FP) load (signal from the engine control module (ECM) to the fuel pump (FP) control module).

Check that the signal is approximately 50% (±10 %) with the engine idling at operating temperature.

Check the cable between engine control module (ECM) terminal #B20 (#C20) and fuel pump (FP) module terminal #1. Check for a short-circuit to ground. Check for an open-circuit.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION
• see FUEL PUMP DRIVER MODULE
• see CHECKING WIRING AND TERMINALS

Fig 2: Identifying 6-Bit Connector

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

Courtesy of VOLVO CARS CORPORATION

Fig 4: Identifying Fuel Pump (FP) Control Module

Courtesy of VOLVO CARS CORPORATION

Refer to VERIFICATION