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:

Timing Chain Removal/Installation [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the wiring harness. 5. Remove the ignition coils.. 6. Remove the spark plugs.. 7. Remove the ventilation hose. 8. Remove the coolant reserve tank with the hose still c ...

A/C Unit Removal/Installation
1. Set the air mix mode to MAX COLD. 2. Disconnect the negative battery cable.. 3. Discharge the refrigerant.. 4. Drain the engine coolant.. 5. Remove the plug hole plate. 6. Remove the charge air cooler cover. (MZR 2.3 DISI Turbo). 7. Remove the insulator. (MZR 2.3 DISI Turbo) 8. ...

Starter Interlock Switch Inspection [Mzr 2.0, Mzr 2.5]
CAUTION: Do not reuse the starter interlock switch if it is removed from the vehicle even once. Replace with a new starter interlock switch when installing. 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the starter interlock switch connec ...