Mazda 2: Control System

CONTROL SYSTEM LOCATION INDEX

Mazda 2. CONTROL SYSTEM LOCATION INDEX

  1. BCM (body control module)

BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION

CAUTION:

1. Perform the BCM configuration when replacing it. (See BODY CONTROL MODULE (BCM) CONFIGURATION).

2. Disconnect the negative battery cable.

3. Remove the dashboard under cover. (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION).

4. Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION).

5. Disconnect the connectors at the position shown in the figure.

Mazda 2. BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION

6. Remove the nuts.

Mazda 2. BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION

7. Remove the BCM.

8. Install in the reverse order of removal.

BODY CONTROL MODULE (BCM) INSPECTION

1. Remove the dashboard under cover. (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION).

2. Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION).

3. Measure the voltage at each terminal and inspect for the continuity between the terminals and ground is as indicated in the Terminal Voltage Tables (Reference).

Terminal Voltage Table (Reference)

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Mazda 2. BODY CONTROL MODULE (BCM) INSPECTION

Generated pulse (reference)

Pattern 1

Mazda 2. Generated pulse (reference)

Pattern 2

Mazda 2. Generated pulse (reference)

Pattern 3

Mazda 2. Generated pulse (reference)

Pattern 4

Mazda 2. Generated pulse (reference)

Pattern 5

Mazda 2. Generated pulse (reference)

Pattern 6

Mazda 2. Generated pulse (reference)

Pattern 7

Mazda 2. Generated pulse (reference)

Liftgate Opener Switch Input Signal Pulse (Reference)

Liftgate opener switch not pressed

Mazda 2. Liftgate Opener Switch Input Signal Pulse (Reference)

Liftgate opener switch pressed

Mazda 2. Liftgate Opener Switch Input Signal Pulse (Reference)

Liftgate Opener Switch Signal Pulse (Reference)

Mazda 2. Liftgate Opener Switch Signal Pulse (Reference)

Door lock actuators 2-step unlocking (Reference)

Mazda 2. Door lock actuators 2-step unlocking (Reference)

Sensitivity adjustment volume (Reference)

1 position

Mazda 2. Sensitivity adjustment volume (Reference)

2 position

Mazda 2. Sensitivity adjustment volume (Reference)

3 position

Mazda 2. Sensitivity adjustment volume (Reference)

4 position

Mazda 2. Sensitivity adjustment volume (Reference)

5 position

Mazda 2. Sensitivity adjustment volume (Reference)

BODY CONTROL MODULE (BCM) BRACKET REMOVAL/INSTALLATION

Removal

1. Disconnect the negative battery cable.

2. Remove the dashboard under cover. (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION).

3. Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION).

4. Remove the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION).

5. Insert a fastener remover in the direction of the arrow (1) shown in the figure and release the tabs.

CAUTION:

Mazda 2. BODY CONTROL MODULE (BCM) BRACKET REMOVAL/INSTALLATION

6. Pull the BCM in the direction of the arrow (2) as shown in the figure and remove the BCM bracket.

Mazda 2. BODY CONTROL MODULE (BCM) BRACKET REMOVAL/INSTALLATION

Installation

1. Bend the tabs in the direction of the arrow (1) so that clearance (a) indicated in the figure is within the specification.

Mazda 2. BODY CONTROL MODULE (BCM) BRACKET REMOVAL/INSTALLATION

Clearance

2. Press the BCM in the direction of the arrow (2) as shown in the figure and install it.

Mazda 2. BODY CONTROL MODULE (BCM) BRACKET REMOVAL/INSTALLATION

3. Install the BCM. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION).

4. Install the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION).

5. Install the dashboard under cover. (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION).

6. Connect the negative battery cable.

BODY CONTROL MODULE (BCM) CONFIGURATION

1. Connect the M-MDS (IDS) to the DLC-2.

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.

  1. Select "Module Programming".
  2. Select "Programmable Module Installation".
  3. Select "BCM/GEM".

3. Perform the configuration according to the directions on the screen.

4. Retrieve DTCs by the M-MDS, then verify that there is no DTC present.

BODY AND ACCESSORIES TECHNICAL DATA

Mazda 2. BODY AND ACCESSORIES TECHNICAL DATA

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SEE MORE:

 Ignition System

IGNITION SYSTEM LOCATION INDEX Ignition coil (See IGNITION COIL REMOVAL/INSTALLATION) (See IGNITION COIL INSPECTION) Spark plug (See SPARK PLUG REMOVAL/INSTALLATION) (See SPARK PLUG INSPECTION) IGNITION COIL REMOVAL/INSTALLATION 1. Disconnect the negative battery cable. CAUTION:

 Control Valve Body

CONTROL VALVE BODY REMOVAL/INSTALLATION On-Vehicle Removal WARNING: Using compressed air can cause dirt and other particles to fly out, causing injury to the eyes. Wear protective eyeglasses whenever using compressed air. A hot transaxle and ATF can cause severe burns. Turn off the engine and

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