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 ...

General

...

Other materials:

Engine Coolant Leakage Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

Barometric Pressure (Baro) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection NOTE: Because the BARO sensor is integrated in the PCM, replacing the BARO sensor includes replacement of the PCM. 1. Connect the M-MDS to the DLC–2. 2. Switch the ignition to ON. 3. Verify that the BARO sensor output voltage (PID: BARO) is within the s ...

Bass Box Inspection
1. Disconnect the negative battery cable.. 2. Disconnect the connector.. 3. Verify the resistance between bass-box terminals. If not within the specification, replace the bass-box. Resistance 0.9—1.1 ohms ...