Checking the status

Fig 1: Engine Start Verification

GLL101037

Courtesy of VOLVO CARS OF NORTH AMERICA.

Start the engine.
Check whether the fault is permanent or intermittent by reading off the signal from the mass air flow (MAF) sensor.

Check that the signal is between 0.5 - 4.5 V.

The fault is permanent if the signal is incorrect. The fault is intermittent if the signal is correct.

Fig 2: Identifying VCT2000 Diagnostic Tool
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Intake Air Temperature (IAT) Sensor
Courtesy of VOLVO CARS OF NORTH AMERICA.

Continue
Refer to Checking the connector