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:

Oil Control Valve (OCV) Inspection [Mzr 2.0, Mzr 2.5]
Coil Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Remove the plug hole plate.. 4. Disconnect the OCV connector. 5. Measure the resistance between terminals A and B using an ohmmeter. OCV coil resistance 6.9—7.9 ohms [20°C ...

Air Intake Actuator Removal/Installation [Full Auto Air Conditioner]
1. Set the air intake mode to FRESH. 2. Disconnect the negative battery cable.. 3. Remove the following parts: a. Front scuff plate (Passenger-side). b. Front side trim (Passenger-side). c. Dashboard under cover. d. Glove compartment. e. Lower panel (Passenger-side). f. Shower duct ( ...

Engine Coolant Replacement [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 shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...