Mazda 3 manuals

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

Mazda 3 Service Manual / Engine / Intake / 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:

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..

Manifold Absolute Pressure (Map) Sensor/Intake Air Temperature (Iat) Sensor No.2 Removal/Installation [Skyactiv G 2.0]
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. Remove the battery cover.. ...

Mass Air Flow (MAF) Sensor/Intake Air Temperature (Iat) Sensor No.1 Removal/Installation [Skyactiv G 2.0]
CAUTION: Be careful not to hit the sensor element or allow foreign matter to get on it during sensor removal/installation. If the sensor element is hit or foreign matter gets on it, an e ...

Other materials:

Air Cleaner Element Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the air cleaner element.. 2. Inspect the following items: Has the replacement interval come? Is the air cleaner element soiled, damaged, or bent? Are the air cleaner case and the air cleaner element correctly sealed? Is the correct air cleaner element inst ...

Brake Assist
During emergency braking situations when it is necessary to depress the brake pedal with greater force, the brake assist system provides braking assistance, thus enhancing braking performance. When the brake pedal is depressed hard or depressed more quickly, the brakes apply more firmly. N ...

Filament Repair
1. Clean the filament using isopropyl alcohol. 2. Attach tape to both sides of the filament. 3. Using a small brush or marking pen, apply silver paint. 4. After 23 min, carefully remove the tape without damaging the applied area. CAUTION: Do not operate the rear window defrost ...

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