Mazda 3 Service Manual: Electrical

Pilot Bearing Inspection [C66 M R]

1. Without removing the pilot bearing, turn the bearing while applying force in the axial direction. If there is any malfunction, replace the pilot bearing.. ...

Electrical System

Electrical Parts Battery cable Before disconnecting connectors or removing electrical parts, disconnect the negative battery cable. Wiring Harness To remove the wiring ha ...

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 ...

Wastegate Control Solenoid Valve Inspection [Mzr 2.3 Disi Turbo]
Airflow Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the wastegate control solenoid valve.. 4. Inspect the airflow between the ports under the following conditions. If not as specified, replace the wastegate control solenoid val ...

Front Door Key Cylinder Switch Inspection
1. To access the glass installation bolt, position the front door glass so that the distance from the top of the front door glass to the upper part of the front beltline molding is approx. 80 mm {3.1 in}. 2. Disconnect the negative battery cable.. 3. Remove the following parts: a. Inne ...