VR30DDTT engine

1. Turn ignition switch OFF.
2. Disconnect mass air flow (MAF) sensor (intake air temperature sensor is built-into) harness connector and reconnect it.
3. Turn ignition switch ON.
4. Select "INT/A TEMP SEN" in "DATA MONITOR" mode of "ENGINE" using CONSULT.
5. Check that the indicated value of "INT/A TEMP SEN" is almost the same as intake air temperature.

Is the inspection result normal?

YES

INSPECTION END

NO

Replace mass air flow sensor (with intake air temperature sensor) (bank 1). Refer to AIR CLEANER AND AIR DUCT : Exploded View .