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Body Control Module (BCM) Removal/Installation

CAUTION:
  • When replacing the BCM, always perform the configuration procedure before removing the BCM. Replacing the BCM without performing the configuration procedure will result in a system malfunction.
  1. When replacing the BCM, perform the configuration. (See BODY CONTROL MODULE (BCM) CONFIGURATION .)
  2. Disconnect the negative battery cable.
  3. Remove the following parts:
    1. Dashboard under cover (passenger's side) (See DASHBOARD UNDER COVER REMOVAL/INSTALLATION .)
    2. Glove compartment (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
    3. Side wall (See SIDE WALL REMOVAL/INSTALLATION .)
    4. Center console box (See CENTER CONSOLE BOX REMOVAL/INSTALLATION .)
    5. Console panel (See CONSOLE PANEL REMOVAL/INSTALLATION .)
    6. Center console (See CENTER CONSOLE REMOVAL/INSTALLATION .)
    7. Shift lever knob (MTX) (See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    8. Selector lever knob (ATX) (See AUTOMATIC TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION .)
    9. Shift panel (See SHIFT PANEL REMOVAL/INSTALLATION .)
    10. Front console (See FRONT CONSOLE REMOVAL/INSTALLATION .)
    11. Side panel (See SIDE PANEL REMOVAL/INSTALLATION .)
    12. Front scuff plate (passenger's side) (See FRONT SCUFF PLATE REMOVAL/INSTALLATION .)
    13. Front side trim (passenger's side) (See FRONT SIDE TRIM REMOVAL/INSTALLATION .)
    14. Lower panel (passenger's side) (See LOWER PANEL REMOVAL/INSTALLATION .)
  4. Disconnect the connector shown in the figure.
    G13728799Courtesy of MAZDA MOTORS CORP.
  5. Remove the wiring harness clip and connector clip shown in the figure.
    G13728800Courtesy of MAZDA MOTORS CORP.
  6. Remove the wiring harness clip shown in the figure.
    G13728801Courtesy of MAZDA MOTORS CORP.
  7. Remove the wiring harness clip shown in the figure.
    G13728802Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the connectors shown in the figure.
    G13728803Courtesy of MAZDA MOTORS CORP.
  9. Remove the nuts shown in the figure.
    Fig 1: BCM Nuts With Torque Specification
    G13728804Courtesy of MAZDA MOTORS CORP.
  10. Remove the BCM.
  11. Install in the reverse order of removal.
  12. Perform steering angle sensor initialization. (See STEERING ANGLE SENSOR INITIALIZATION PROCEDURE .)
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