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:
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Damage, cracks, soiling
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Rusted sensor terminal
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Bent sensor terminal
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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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If not as verified, replace the MAF/IAT sensor..
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:
Oil Seal (Control Valve Body) Replacement [Fw6 A EL]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the air cleaner component..
4. Disconnect the control valve body connector.
5. Remove the hose clamp.
6. Cut the oil seal using a utility knife as shown in the following illustration.
CAUTION: ...
Information on Passenger Vehicle Tires
Please refer to the sample below.
TIN: U.S. DOT tire identification number
Passenger car tire
Nominal width of tire in millimeters
Ratio of height to width (aspect ratio)
Radial
Run-flat tire
Rim diameter code
Load index & speed symbol
Severe snow conditions
Tire ply co ...
Oil Seal (Differential) Replacement [C66 M R]
1. Remove the aerodynamic under cover No.2 and the splash shield as a single
unit..
2. Drain the manual transaxle oil..
3. Disconnect the drive shaft (LH) from the MTX..
4. Disconnect the drive shaft (RH) from the joint shaft..
5. Remove the joint shaft..
6. Remove the oil seal (LH).
...
