Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Visual Inspection

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Disconnect the MAF/IAT sensor connector.

4. Remove the MAF/IAT sensor..

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

  • Damage, cracks, soiling

  • Rusted sensor terminal

  • Bent sensor terminal

    • If there is any malfunction, repair or replace the MAF/IAT sensor..

Voltage Inspection

1. Remove the battery cover..

2. Disconnect the negative battery cable..

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

4. Reconnect the negative battery cable..

5. Connect the M-MDS to the DLC-2.


6. Switch the ignition to ON.

7. As the air gradually approaches the MAF detection part of the MAF/IAT sensor, verify that the MAF sensor output voltage (PID: MAF) varies..

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  • Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5

    Mazda 3 Service Manual: Mass Air Flow (MAF) Sensor Inspection Mzr 2.0, Mzr 2.5