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:
Front Wheel Hub Bolt Replacement
1. Remove the brake calliper component and disc plate..
2. Remove the wheel hub bolt using the SST as shown in the figure.
NOTE:
When removing the wheel hub bolts, perform the work between range A shown
in the figure to assure a space for the bolt removal.
3. Place a new whe ...
Indirect Illumination Removal/Installation
Power Window Switch (With power window switch indirect illumination)
1. Disconnect the negative battery cable..
2. Remove the assist handle cover..
3. Remove in the order indicated in the table.
1
Connector
2
Power window switch indirect ...
Air Intake Actuator Inspection [Manual Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C),
connect terminal C (or B) to ground, and then verify that the air intake actuator
operates as shown in the table.
If the operation condition is not normal, replace the air intake actuator.
...