Mazda 3 Service Manual: Sensors, Switches, Relays

Parking Brake Switch Inspection

1. Remove the upper panel.. 2. Disconnect the parking brake switch connector. 3. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the ...

Brake Fluid Level Sensor Inspection

1. Disconnect the brake fluid level sensor connector from the master cylinder. 2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals. If no ...

Other materials:

Laser Sensor (Front)
The Smart City Brake Support (SCBS) laser sensor is installed at the top of the windshield near the rearview mirror. Always keep the surface of the windshield around the laser sensor clean to assure proper operation of the Smart City Brake Support (SCBS) system. WARNING As ther ...

Checking Tire Pressure
When you check the air pressure, make sure the tires are cold —meaning they are not hot from driving even a mile. Remove the cap from the valve on one tire. Firmly press a tire gauge onto the valve. Add air to achieve recommended air pressure. If you overfill the tire, release air ...

Thermostat 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 shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...