Security System and Locks System: Overview Mazda 3 BL

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1. Disconnect the negative battery cable. (Vehicles with power window system or power outer mirror)
2. Fully roll up the front door glass.
3. Remove the inner garnish. (See «INNER GARNISH REMOVAL/INSTALLATION».)
4. Remove the regulator handle. (Vehicles with manual window system) (See «REGULATOR HANDLE REMOVAL».) (See «REGULATOR HANDLE INSTALLATION».)
5. Remove the front door trim. (See «FRONT DOOR TRIM REMOVAL/INSTALLATION».)
6. Remove the hole cover.
7. Remove the nut, then remove the pad.
8. Remove the bolt.
9. Detach the rod from the outer handle.
10. Secure the rear part of the front outer handle and, with the front outer handle lever pulled outward (1), remove the rear part of the front outer handle from the front door.
11. Pull out the front side of the front outer handle from the front door.
12. Install in the reverse order of removal.

Scheme 5

1. Disconnect the negative battery cable. (Vehicles with power window system)
2. Fully roll up the rear door glass.
3. Remove the sail garnish. (5 door) (See «SAIL GARNISH REMOVAL/INSTALLATION».)
4. Remove the regulator handle. (Vehicles with manual window system) (See «REGULATOR HANDLE REMOVAL».) (See «REGULATOR HANDLE INSTALLATION».)
5. Remove the rear door trim. (See «REAR DOOR TRIM REMOVAL/INSTALLATION».)
6. Remove the hole cover.
7. Remove the hole plug.
8. Remove the bolt.
9. Remove the nut, then remove the pad.
10. Remove the bolt.
11. Detach the rod from the outer handle.
12. Secure the rear part of the rear outer handle and, with the rear outer handle lever pulled outward (1), remove the rear part of the rear outer handle from the rear door.
13. Install in the reverse order of removal.

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1. Disconnect the negative battery cable. (Vehicles with power window system or power outer mirror)
2. Remove the inner garnish, (front) (See «INNER GARNISH REMOVAL/INSTALLATION».)
3. Remove the regulator handle. (Vehicles with manual window system) (See «REGULATOR HANDLE REMOVAL».) (See «REGULATOR HANDLE INSTALLATION».)
4. Remove the front door trim or rear door trim. (See «FRONT DOOR TRIM REMOVAL/INSTALLATION».) (See «REAR DOOR TRIM REMOVAL/INSTALLATION».)
5. Using a flathead screwdriver, press and hold the tab in the direction indicated by arrow (1), and remove the shaft by pulling it in the direction indicated by arrow (2).
6. Pull off the inner handle, and remove the door lock knob cable and inner handle cable.
7. Install in the reverse order of removal.

Scheme 7

1. To remove the hood release cable, remove the following parts: Battery (See «BATTERY REMOVAL/INSTALLATION [LF, L3]».) Fresh-air duct (See «INTAKE AIR SYSTEM REMOVAL/INSTALLATION [LF, L3]».)
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. Adjust the hood. (See «HOOD ADJUSTMENT».)

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1. Pull the lever.
2. While pushing the tab in the direction of the arrow using a tape-wrapped, small flathead screwdriver, detach it from the lower panel. CAUTION: Be careful not to damage the hood release cable when removing the hood release lever with the flathead screwdriver.
3. Under the condition in Step 2 , pull the hood release lever outward, then remove it from the lower panel.

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1. When inspecting the latch, press the latch lever using a flathead screwdriver or a similar tool.
2. Inspect for continuity between the hood latch switch terminals. If not as specified, replace the hood latch.

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1. Disconnect the negative battery cable. (Vehicles with power window system or power outer mirror)
2. Fully roll up the front door glass.
3. Remove the following parts: Inner garnish (See «INNER GARNISH REMOVAL/INSTALLATION».) Regulator handle (Vehicles with manual window system) (See «REGULATOR HANDLE REMOVAL».) (See «REGULATOR HANDLE INSTALLATION».) Front door trim (See «FRONT DOOR TRIM REMOVAL/INSTALLATION».) Front outer handle (See «FRONT OUTER HANDLE REMOVAL/INSTALLATION» ).
4. Remove the rod from the front door key cylinder.
5. Turn the key cylinder in the direction indicated by the arrow and move the tab to the notch.
6. Pull the front door key cylinder outward to remove it.
7. Install in the reverse order of removal.

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1. Inspect for continuity between the front door key cylinder switch terminals. If not as specified, replace the front door latch and lock actuator.

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1. Disconnect the negative battery cable.
2. Remove the following parts: Inner garnish (See «INNER GARNISH REMOVAL/INSTALLATION».) Regulator handle (Vehicles with manual window system) (See «REGULATOR HANDLE REMOVAL».) (See «REGULATOR HANDLE INSTALLATION».) Front door trim (See «FRONT DOOR TRIM REMOVAL/INSTALLATION».) Front door glass (See «FRONT DOOR GLASS REMOVAL/INSTALLATION».) Front door speaker (See «FRONT DOOR SPEAKER REMOVAL/INSTALLATION».) Inner handle (See «INNER HANDLE REMOVAL/INSTALLATION» ). Front door unit (See «FRONT DOOR UNIT REMOVAL/INSTALLATION».)
3. Pull the stopper of the front door lock actuator connector in the direction of the arrow (1).
4. Disconnect the front door lock actuator connector while pushing at point A.
5. Remove the front door latch and lock actuator from the front door unit.
6. Install in the reverse order of removal.

Scheme 16

1. The following actuators and switches are integrated with the front door latch and lock actuator. Inspect the front door latch and lock actuator according to each inspection procedure for the following items. Front door lock actuator (See «FRONT DOOR LOCK ACTUATOR INSPECTION» ). Front door latch switch (See «FRONT DOOR LATCH SWITCH INSPECTION» ). Front door key cylinder switch (Driver's side) (See «FRONT DOOR KEY CYLINDER SWITCH INSPECTION» ). Door lock-link switch (Driver's side) (See «DOOR LOCK-LINK SWITCH INSPECTION» ).

Scheme 17

1. Apply battery positive voltage and connect ground to the corresponding front door lock actuator terminals, and inspect the front door lock actuator operation. If not as specified, replace the front door latch and lock actuator. LOCK ACTUATOR OPERATION Lock actuator operation Connection B+ GND Lock LH: D RH:C LH:C RH:D Unlock LH:C RH:D LH:D RH:C

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1. When inspecting the latch, press the latch lever using a flathead screwdriver or a similar tool.
2. Inspect for continuity between the front door latch switch terminals. If not as specified, replace the front door latch and lock actuator.

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1. Remove the screws, then remove the door lock striker.
2. Install in the reverse order of removal.
3. Adjust the door. (See «DOOR ADJUSTMENT».)

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1. Inspect for continuity between the door lock-link switch terminals. If not as specified, replace the front door latch and lock actuator.

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1. Disconnect the negative battery cable.
2. Remove the inner handle cover. (See «FRONT DOOR TRIM REMOVAL/INSTALLATION».)
3. Remove the screws, then remove the door lock switch.
4. Install in the reverse order of removal.

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1. Inspect for continuity between the door lock switch terminals using an ohmmeter. If not as specified, replace the door lock switch.

See also:
• REAR DOOR GARNISH REMOVAL/INSTALLATION
• PASSENGER JUNCTION BOX (PJB) INSPECTION