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:
Precaution
Intermittent Concern Troubleshooting
Vibration method
If malfunction occurs or becomes worse while driving on a rough road or when
the engine is vibrating, perform the steps below.
NOTE:
There are several reasons why vehicle or engine vibration could cause an
electrical m ...
Afs (Adaptive Front Lighting System) Control Module Removal/Installation
NOTE:
Perform the auto leveling system initialization after newly replacing the
AFS control module to assure that the auto leveling system operates correctly.
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Passenger-side front scuff plate.
b. Pass ...
Parking Brake
CAUTION
Driving with the parking brake on
will cause excessive wear of the brake
parts.
NOTE
For parking in snow, refer to Winter Driving regarding parking
brake use.
Setting the parking brake
Depress the brake pedal and then firmly
pull the parking brake lever fully upwar ...
