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:
Drive Belt Inspection [Skyactiv G 2.0]
Generator Drive Belt
NOTE:
The generator drive belt deflection/tension inspection is not necessary with
the adoption of the drive belt auto tensioner.
1. Verify that the indicator part of the cast hexagon on the drive belt auto
tensioner is within the normal range.
If ...
Unfastening the Seat Belt
Depress the button on the seat belt buckle.
If the belt does not fully retract, pull it out
and check for kinks or twists. Then make
sure it remains untwisted as it retracts.
NOTE
If a belt does not fully retract, inspect
it for kinks and twists. If it is still not
retracting properly, ...
Filament Inspection
1. Turn the ignition switch to the ON position.
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touc ...
