Mazda 3 Service Manual: Body Control Module (Bcm) Removal/Installation
CAUTION:
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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:
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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:
Electro Hydraulic Power Assist Steering (EHPAS) Control Module Inspection
Terminal Voltage Table (Reference)
Terminal
Signal name
Connected to
Measured item
Measured terminal (measured condition)
Standard
Inspection item(s)
1A
Ground
Ground ...
Fuel Filler Lid Opener Bezel Removal/Installation
1. Remove the screw.
2. Pull the fuel-filler lid opener bezel in the direction of the arrow (1) then
remove the tab.
3. Move the fuel-filler lid opener bezel in the direction of the arrow (2) shown
in the figure.
4. Remove the fuel-filler lid opener bezel.
5. Install in the rever ...
Antenna Feeder No.5 Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (RH).
b. Front side trim (RH).
c. Rear scuff plate (RH).
d. B-pillar lower trim (RH).
e. Rear seat cushion.
f. Tire house trim (RH).
3. Partially peel back the floor covering.
4. Disconne ...
