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:

Transaxle Range (TR) Switch Inspection [FS5 A EL]
CAUTION: Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it. Operation Inspection 1. Perform the following procedures to inspect the TR switch. If t ...

Climate Control Unit Inspection [Manual Air Conditioner]
1. Remove the climate control unit with the connector connected.. 2. Switch the ignition to ON. 3. Connect the negative (-) lead of the tester to the body ground. 4. By inserting the positive (+) lead of the tester into the climate control unit connector, measure the voltage according to the ...

Adaptive Front Lighting System (AFS)
The adaptive front lighting system (AFS) automatically adjusts the headlight beams to the left or right in conjunction with the operation of the steering wheel after the headlights have been turned on. AFS OFF Indicator Light When illuminated This indicator light illuminates briefly when ...