Mazda 3 Service Manual: HVAC

Oil Pressure Switch Removal/Installation [FS5 A EL]

WARNING: A hot transaxle and ATF can cause severe burns. Turn off the engine and wait until they are cool. 1. Perform the following procedures. a. Remove the battery cover.. b. Di ...

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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 ...

Power Metal Oxide Semiconductor Field Effect Transistor (Power Mos Fet) Inspection [Full Auto Air Conditioner]
1. Verify that the continuity between the power MOS FET terminals is as indicated in the table. If there is any malfunction, replace the power MOS FET. If the blower motor operation is not normal even though no malfunction can be verified, inspect the climate control unit.. ...

Rear Drain Hose Installation
CAUTION: If the rear drain hose is pinched or bent anywhere, the water in the hose may not discharge and enter the inside of the vehicle. During and after installation of the trims and the headliner, always make sure there is no interference with the rear drain hose. Fix any problem ...