Checking Components And Connectors

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS CORPORATION

Ignition off
Check the boost pressure sensor connector and terminal. Check for contact resistance and oxidation.
NOTE:
The intake air temperature (IAT) sensor is integrated in the boost pressure sensor.

If no errors are found and the fault is permanent, replace the intake air temperature (IAT) sensor.

Remedy as necessary.

Other information:
- see CHECKING WIRING AND TERMINALS
- For resistance values: COMPONENT SPECIFICATIONS
- For B5xx4T, see TEMPERATURE AND PRESSURE SENSORS, REPLACING
- For B6xx4T, see TEMPERATURE AND PRESSURE SENSORS, REPLACING
Fig 2: Identifying 4-Bit Connector
Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Boost Pressure Sensor
Courtesy of VOLVO CARS CORPORATION

Continue
Refer to VERIFICATION