Checking The Power Supply

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition on.

  Check the power supply (12 V) to the accelerator pedal (AP) position sensor between accelerator pedal (AP) position sensor terminals #1 (wiring side) and #3 (wiring side).

  Check that the power supply is approximately 12 V with the ignition on.

  Other information: 

  • see CHECKING WIRING AND TERMINALS
  • To connect the breakout box, see CONNECTING THE BREAKOUT BOX
  • For 5 cylinder turbocharged engines -2004, see SIGNAL DESCRIPTION
  • For 5 cylinder turbocharged engines 2005-, see SIGNAL SPECIFICATION .
  • For 6 cylinder engines -2004, see SIGNAL SPECIFICATION
  • For 6 cylinder engines 2005-, see SIGNAL SPECIFICATION .
  • To access and replace the accelerator pedal (AP) position sensor, see ACCELERATOR PEDAL (AP), REPLACING .
  Fig 2: Accelerator Pedal Position Sensor Connector Terminal Identification

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Voltage Display

  Courtesy of VOLVO CARS CORPORATION
  Fig 4: Identifying Accelerator Pedal (AP) Position Sensor

  Courtesy of VOLVO CARS CORPORATION

Is the power supply OK? 

• YES 

  Refer to CHECKING THE CONNECTORS AND CABLES 

• NO 

  Refer to CHECKING COMPONENTS AND WIRING