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:

Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING: When the engine is hot, it can badly burn. Turn off the engine and wait until it is cool before removing the ECT sensor. ECT Sensor No.1 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. Remove the battery and b ...

Air Bleeding
CAUTION: If the strainer is removed, impurities may penetrate the power steering system and damage it. To prevent this, always bleed air with the strainer installed. Do not maintain the steering wheel fully turned for 5 s or more. The oil temperature could rise and damage ...

Intake Air Temperature (Iat) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection NOTE: Because the IAT sensor is integrated in the MAF sensor, replacing the IAT sensor includes replacement of the MAF/IAT sensor. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the MAF/IAT sensor connector. 4. Mea ...