Mazda 3 Owners Manual: Modification and Add-On Equipment

Mazda 3 Owners Manual / Before Driving / Security System / Modification and Add-On Equipment

Mazda cannot guarantee the immobilizer and the theft-deterrent systems' operation if the system has been modified or if any add-on equipment has been installed.

CAUTION To avoid damage to the vehicle, do not modify the system or install any add-on equipment to the immobilizer and the theft-deterrent systems or the vehicle.

Immobilizer System

The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby hel ...

Other materials:

PID/Data Monitor Inspection [Bcm]
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 “BCM/GEM”. 3. Select the applicable PID from the PID table. 4. Verify the PID da ...

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 ...

Condenser Removal/Installation
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Drain the engine coolant.. 4. Remove the air cleaner.. 5. Remove the aerodynamic under cover No.2.. 6. Remove the aerodynamic under cover No.1.. 7. Remove the front bumper.. 8. Disconnect the radiator hose fro ...