Checking Intake System And Mass Air Flow Sensor

Fig 1: Identifying Connector Terminals

Courtesy of VOLVO CARS CORPORATION

Check the intake system for blockages.

Check the connector and terminals for the mass air flow (MAF) sensor. Check for contact resistance. Check for oxidation.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION
• see MASS AIR FLOW (MAF) SENSOR
• see CHECKING WIRING AND TERMINALS

Fig 2: Identifying Mass Airflow Sensor

Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to INFORMATION