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 ...

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