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:
Variable Valve Timing Actuator Inspection [Mzr 2.3 Disi Turbo]
CAUTION:
Variable valve timing actuator cannot be disassembled because it is a precision
unit.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the charge air cooler..
4. Remove the ignition coils..
5. Disconnect the ventilation hose from th ...
Recommendations for Shifting (for
Vehicles without Gear Shift
Indication)
Upshifting
For normal acceleration, Mazda
recommends these shift points:
(U.S.A. and Canada)
For cruising, Mazda recommends these
shift points:
(U.S.A. and Canada)
Downshifting
When you must slow down in heavy traffic
or on a steep upgrade , downshift before
the engine starts to ov ...
Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
...
