Mazda 2: Crankshaft Position (CKP) Sensor

Mazda 2 2007-2014 Service Manual / Engine / Control System / Crankshaft Position (CKP) Sensor

CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION

CAUTION:

1. Disconnect the negative battery cable.

2. Remove the splash shield.

Mazda 2. CRANKSHAFT POSITION (CKP) SENSOR

3. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION).

4. Disconnect the CKP sensor connector.

5. Remove the CKP sensor.

Mazda 2. CRANKSHAFT POSITION (CKP) SENSOR

6. Install in the reverse order of removal.

CRANKSHAFT POSITION (CKP) SENSOR INSPECTION

Visual Inspection

1. Remove the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION).

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

3. Install the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION).

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.

Mazda 2. CRANKSHAFT POSITION (CKP) SENSOR

Air gap

Voltage Inspection

CAUTION:

1. Idle the engine.

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

(See PCM INSPECTION).

3. If not as specified, replace the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION).

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