Mazda 3 Service Manual: Knock Sensor (Ks) Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the KS connector.
4. Measure the resistance between KS terminals A and B.
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If not as specified, replace the KS..
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Specification
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Approx. 4.87 megohms [normal temperature]
Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
NOTE:
Because the IAT sensor is integrated in the MAF sensor, replacing the IAT
sensor includes replacement of the MAF/IAT sensor.
1. Remove the battery cover.. ...
Knock Sensor (Ks) Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Remove the intake manifold..
5. Disconnect the KS connector.
6. Remove the KS.
...
Other materials:
Glass Panel Adjustment
1. Fully close the glass panel.
2. Measure the gap and height between the glass panel and body.
If not as specified, loosen the glass panel installation screws and reposition
the glass panel.
Clearance (4SD)
a: -2.4—0.2 mm {-0.09—0.01 in}
b: 0 mm {0 in}
...
Barometric Pressure (Baro) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
Because the BARO sensor is integrated in the PCM, replacing the BARO sensor
includes replacement of the PCM.
1. Connect the M-MDS to the DLC–2.
2. Switch the ignition to ON.
3. Verify that the BARO sensor output voltage (PID: BARO) is within the spe ...
Essential Information
Be extremely careful and prevent injury to yourself and others or damage to
your vehicle
when using this manual for inspection and maintenance.
If you are unsure about any procedure it describes, we strongly urge you to have
a reliable
and qualified service shop perform the work, preferably ...
