Mazda 3 Service Manual: Valvetrain, Cylinder Head

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 ...

Camshaft Position (CMP) Sensor Inspection [Mzr 2.0, Mzr 2.5]

Visual Inspection 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 outpu ...

Other materials:

Automatic Transaxle Removal/Installation [FS5 A EL]
CAUTION: Secure the steering wheel using tape or a cable to prevent the steering shaft from rotating after disconnecting the steering shaft. If the steering wheel rotates after the steering shaft and the steering gear and linkage are disconnected, the internal parts of the clock spr ...

Refrigerant Pressure Sensor Inspection [Manual Air Conditioner]
MZR 2.0, MZR 2.5 1. Install the manifold gauge. 2. Verify the high-pressure side reading of the manifold gauge. 3. Measure the terminal voltage of the climate control unit. 1G,1H and 2J 4. Verify that below graph as measure the terminal voltage 2J. 5. Follow the climate control ...

Precaution
Intermittent Concern Troubleshooting Vibration method If malfunction occurs or becomes worse while driving on a rough road or when the engine is vibrating, perform the steps below. NOTE: There are several reasons why vehicle or engine vibration could cause an electrical m ...