Mazda 3 manuals

Mazda 3 Service Manual: Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Mazda 3 Service Manual / Engine / Control / Sensors, Switches, Relays / Crankshaft Position (CKP) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Visual Inspection

CAUTION:

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Perform the following procedure for easier access.

a. Remove the aerodynamic under cover No.2..

b. Remove the front splash shield (RH)..

4. Disconnect the CKP sensor connector.

5. Remove the CKP sensor..

6. Verify that there are no metal shavings on the sensor.

Air Gap Inspection

1. Verify that the CKP sensor is securely installed..

2. Using a thickness gauge, measure the air gap between the plate projections at the back of crankshaft pulley and the CKP sensor.


Voltage Inspection

CAUTION:

1. Idle the engine.

2. Measure the CKP signal and verify that rectangular waves are produced..

Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION: When replacing the CMP sensor, make sure there is no foreign material on it such as metal shavings. If it is installed with foreign material, the sensor output signal will malfu ...

Crankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
Removal CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine ...

Other materials:

Recliner Motor Inspection
1. Remove the battery cover.. 2. Disconnect the negative battery cable and wait 1 min or more.. 3. Disconnect the recliner motor connector. 4. Apply battery positive voltage to the recliner motor terminals and inspect the recliner motor operation. If not as specified, replace the ...

Speedometer
The speedometer indicates the speed of the vehicle. Speed Unit Selector (Type A Instrument Cluster) In some countries, you may have to change the speed units between km/h and mph. Press the speed unit selector for 1.5 seconds or more. The speed units for the speedometer will change bet ...

Starter Disassembly/Assembly [Mzr 2.0, Mzr 2.5]
1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. 1 Magnetic switch 2 Adjustment washer 3 Rear housing 4 Brush and brush holder ...

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