Checking components and wiring: Notes

Check the signal cable between control module terminal #A23 (#A23) and boost pressure sensor terminal #4. Check for a short-circuit to ground.

HINT: With the ignition on and the boost pressure sensor connector disconnected, the voltage between terminal #4 and the ground terminal should be approximately 5 V. 

If no errors are found and the fault is permanent, replace the boost pressure sensor.

Remedy as necessary.

Other information: 

• To connect the breakout box / access the control module, see Connecting the breakout box
• To access or replace the boost pressure sensor, see Temperature and pressure sensor, replacing
• For information about signals on 5 cylinder engines, see Signal specification
• For information about signals on 6 cylinder engines:
  • For 6 cylinder engines -2001, see Signal specification
  • For 6 cylinder engines 2002-, see Signal specification
  • For 6 cylinder engines -2004, see Signal specification
  • For 6 cylinder engines 2005-, see Signal specification .
• See Contents .

Fig 2: Identifying Boost Pressure Sensor Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Boost Pressure Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

Refer to Verification