Signal Too Low (2008-2010): Verification: Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS CORPORATION

Fig 2: Checking Connector

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• Reinstall the connectors, components etc.
• Start the engine and run it to normal operating temperature.

  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.

  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

Is the signal within its permitted range? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION