Checking Components And Wiring

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

Remedy as necessary.

Other information: 

• 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 .
• For B5xx4T, see TEMPERATURE AND PRESSURE SENSORS, REPLACING
• For B6xx4T, see TEMPERATURE AND PRESSURE SENSORS, REPLACING
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying 4-Bit Connector

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Boost Pressure Sensor

Courtesy of VOLVO CARS CORPORATION

Refer to VERIFICATION