MASS AIR FLOW (MAF) SENSOR INSPECTION [ZJ, ZY]

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Visual inspection

1.  Visually inspect the MAF sensor for the following:

•  Dirt, damage, cracks

•  Rusted sensor terminal

•  Bent sensor terminal

―  If there is any malfunction, replace the MAF/IAT sensor. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION [ZJ, ZY].)

Sensor Output Value Inspection

1.  Turn the ignition switch to the ON position.

2.  Inspect the following items using the PID/DATA monitor function. (See PCM INSPECTION [ZJ, ZY].)

•  MAF

3.  If not as specified, replace the MAF/IAT sensor. (See MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION [ZJ, ZY].)