Mazda 3 Service Manual: Cooling

Vehicle Speed Sensor (VSS) Removal/Installation [FS5 A EL]

CAUTION: If foreign materials are stuck to the sensor, disturbance by magnetic flux can cause sensor output to be abnormal and thereby negatively affect control. Make sure that foreign m ...

Coolant Reserve Tank Removal/Installation [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 ...

Other materials:

Operating the Radio
Radio ON Press a band selector button ( ) to turn the radio on. Band selection Successively pressing the band selector button ( ) switches the bands as follows: FM1→FM2→AM. The selected mode will be indicated. NOTE If the FM broadcast signal becomes weak, reception auto ...

DSC Off Switch Inspection
1. Remove the DSC OFF switch.. 2. Verify that the continuity between the DSC OFF switch terminals is as indicated in the table. If not as indicated in the table, replace the DSC OFF switch. 3. Apply battery voltage to DSC OFF switch terminal E, and connect terminal A to g ...

Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage. If there is any malfunction, replace the heater core. 2. Visually inspect the fins for bending. If there is any bending, use the end of a flathead screwdriver to straighten the fins. 3. Visually inspect ...