Mazda 3 Service Manual: Body Control Module (Bcm) Removal/Installation

Mazda 3 Service Manual / Electrical / Data Network / Body Control Module (Bcm) Removal/Installation

CAUTION:

When replacing the BCM, the configuration procedure must be performed before removing the BCM. Replacing the BCM without performing the configuration procedure will result in system malfunction.

ATX

1. Perform the BCM configuration when replacing it..

2. Disconnect the negative battery cable..

3. Remove the following parts:

a. Front scuff plate (LH).

b. Front side trim (LH).

c. Upper panel.

d. Selector lever knob.

e. Shift panel.

f. Side wall.

g. Console.

4. Set the hood release lever out of the way..

5. Remove the lower panel. (driver-side).

6. Remove the nut shown in the figure.

7. Pry off the lock device of the clip while pressing the tab in the position shown in the figure.

8. Rotate the clip in the direction of the arrow shown in the figure.

9. Remove the clip by pulling it in the direction of the arrow shown in the figure.

10. Disconnect the connector shown in the figure.

11. While pressing the tab shown in the figure, pull the bracket in the direction of the arrow and remove it.

12. Remove the BCM.

13. Install in the reverse order of removal.

MTX

1. Perform the BCM configuration when replacing it..

2. Disconnect the negative battery cable..

3. Remove the following parts:

Front scuff plate (LH).
Front side trim (LH).
Upper panel.
Shift knob.
Shift panel.
Side wall.
Console.

4. Set the hood release lever out of the way..

5. Remove the lower panel. (driver-side).

6. Remove the starter cut relay. (with advanced keyless entry and push button start system).

7. Remove the nuts shown in the figure.

8. Pry off the lock device of the clip while pressing the tab in the position shown in the figure.

9. Rotate the clip in the direction of the arrow shown in the figure.

10. Remove the clip by pulling it in the direction of the arrow shown in the figure.

11. Disconnect the connector shown in the figure.

12. While pressing the tab shown in the figure, pull the bracket in the direction of the arrow and remove it.

13. Remove the BCM.

14. Install in the reverse order of removal.

Body Control Module (Bcm) Inspection

1. Remove the following parts: a. Front scuff plate (LH). b. Front side trim (LH). c. Upper panel. d. Shift knob (MTX). e. Selector lever knob (ATX). f. Shift panel. g. Side wall. h. C ...

Controller Area Network (Can) System

Outline With the addition of the following, the system wiring diagram and CAN communication table have been added. USB adapter System Wiring Diagram CAN Signal ...

Other materials:

Center Panel Removal/Installation
1. Disconnect the negative battery cable.. 2. Affix protective tape to the position shown in the figure. 3. Hold parts (A) shown in the figure with your hands and pull the lower edge of the center panel in the direction of the arrow (1), and remove clips A. CAUTION: Be careful no ...

High Mount Brake Light Disassembly/Assembly
4SD 1. Disconnect the negative battery cable.. 2. Remove the trunk lid trim.. 3. Remove the high-mount brake light.. 4. Remove the high-mount brake light outer lens. 5. Remove the high-mount brake light inner lens. 6. Remove the screws (with advanced keyless entry and push button ...

Information Display Input/Output Check Mode
NOTE: In this mode, it is possible to verify the items in the following chart. Check Code Table Check code Check item Related items 01 Information display Multi information display ...