Checking The Status

Fig 1: Engine Start Verification

GLL101037

Courtesy of VOLVO CARS CORPORATION

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 Symbol In VIDA (Volvo Scan Tool)
Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Intake Air Temperature (IAT) Sensor
Courtesy of VOLVO CARS CORPORATION

Continue
Refer to CHECKING THE COMPONENT AND WIRING