Mazda 3 manuals

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

Mazda 3 Service Manual / Engine / Engine Assembly / Crank, Balancer / 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..

Crank, Balancer
...

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:

Shift-Lock Override
If the selector lever will not move from P using the proper shift procedure, continue to hold down the brake pedal. Remove the shift-lock override cover using a cloth-wrapped flat head screwdriver. Insert a screwdriver and push it down. Press and hold the lock-release button. ...

Purge Solenoid Valve Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove in the order indicated in the table. 1 Purge solenoid valve connector 2 Evaporative hose (See Evaporative Hose Installation Note.) 3 ...

Warning Lights
These lights turn on or flash to notify the user of the system operation status or a system malfunction. Signal Warning Lights Master Warning Light *1 Brake System Warning Light *1*2 ABS Warning Light *1 Charging System Warnin ...

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