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:

On Board Diagnostic System Simulation Inspection [Fw6 A EL]
1. Connect the M-MDS (IDS) to the DLC-2. 2. After the vehicle is identified, select the following items from the initialization screen of the IDS. a. Select “DataLogger”. b. Select “Modules”. c. Select “TCM”. 3. Select the simulation items from the PID table. 4. Perform the active ...

DRL (Daytime Running Light) Bulb Removal/Installation
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo 1. Disconnect the negative battery cable.. 2. Disconnect the connector. 3. Rotate the DRL bulb in the direction of the arrow shown in the figure to remove it. 4. Remove the DRL bulb. 5. Install in the reverse order of removal. SKYACTIV-G 2.0 ...

Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1 Resistance inspection 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. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Drain the engine coolant.. 4. R ...