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Mazda CX-5 Service & Repair Manual: Mass Air Flow (MAF) Sensor Inspection

Mazda CX-5 Service & Repair Manual / Engine / Intake / Mass Air Flow (MAF) Sensor Inspection

Visual Inspection

1. Remove the MAF sensor/IAT sensor No.1..

2. Visually inspect the MAF sensor for the following:

Voltage Inspection

1. Disconnect the negative battery cable..

2. Remove the MAF sensor/IAT sensor No.1 without disconnect the connector..

3. Reconnect the negative battery cable..

4. Connect the M-MDS to the DLC?2.

5. Switch the ignition ON (engine off or on).

6. As the air gradually approaches the MAF detection part of the MAF sensor/IAT sensor No.1, verify that the MAF sensor output voltage (PID: MAF) varies..


Specification


Manifold Absolute Pressure (Map) Sensor/Intake Air Temperature (Iat) Sensor No.2 Removal/Installation
NOTE: Because the IAT sensor No.2 is integrated in the MAP sensor, replacing the IAT sensor No.2 includes replacement of the MAP sensor/IAT sensor No.2. 1. Disconnect the negative bat ...

Mass Air Flow (MAF) Sensor
Purpose/Function Detects the intake airflow amount introduced into the cylinder as basic information for mainly determining the fuel injection amount. Detects the intake airflow amou ...

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