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:

Advanced Keyless Entry
WARNING Radio waves from the key may aff ect medical devices such as pacemakers: Before using the key near people who use medical devices, ask the medical device manufacturer or your physician if radio waves from the key will aff ect the device. The advanced keyless ...

Active Adaptive Shift (AAS)
Active Adaptive Shift (AAS) automatically controls the transaxle shift points to best suit the road conditions and driver input. This improves driving feel. The transaxle may switch to AAS mode when driving up and down slopes, cornering, driving at high elevations, or depressing the accelerat ...

Add-On Non-Genuine Parts and Accessories
Non-genuine parts and accessories for Mazda vehicles can be found in stores. These may fit your vehicle, but they are not approved by Mazda for use with Mazda vehicles. When you install non-genuine parts or accessories, they could affect your vehicle's performance or safety systems; the Maz ...

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