MASS AIR FLOW (MAF) SENSOR INSPECTION [MZR 1.8, MZR 2.0, MZR 2.5]

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Visual Inspection

1.  Disconnect the negative battery cable.

2.  Disconnect the MAF/IAT sensor connector.

3.  Remove the MAF/IAT sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

4.  Visually inspect the MAF/IAT sensor for the following:

•  Damage, cracks, soiling

•  Rusted sensor terminal

•  Bent sensor terminal

―  If there is any malfunction, replace the MAF/IAT sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)

Voltage Inspection

1.  Remove the MAF/IAT sensor without disconnect the MAF/IAT sensor connector.

2.  Connect the M-MDS to the DLC-2.

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3.  Switch the ignition to ON.

4.  As the air gradually approaches the MAF detection part of the MAF/IAT sensor, verify that the voltage (M-MDS PID: MAF) varies.

•  If not as verified, replace the MAF/IAT sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZR 1.8, MZR 2.0, MZR 2.5].)