Mazda 3 Service Manual: Sensors, Switches, Relays

Joint Shaft Removal/Installation [Skyactiv G 2.0]

CAUTION: Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before ...

Vehicle Speed Sensor (VSS) Inspection [FS5 A EL]

On-Vehicle Inspection 1. Inspect the power supply circuit for the VSS. a. Remove the insulator from the transaxle. b. Disconnect the VSS connector. c. Switch the ignition to ON (engine ...

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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 control. Be sure there is no foreign material on the CKP sensor when replacing. Do not a ...

Oil Cooler Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil have cooled. A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work ...

Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection 1. Disconnect the section (A) of the ventilation hose shown in the figure. 2. Start the engine and verify that vacuum is applied to the end of the disconnected ventilation hose while the engine is idling. NOTE: Because it is difficult to directly inspect the PC ...