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HOMESERVICE MANUALSMAZDA20066 I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESON-BOARD DIAGNOSTIC [BODY CONTROL SYSTEM)BCM SELF-TEST
2006 Mazda 6 i, 4D Sedan, Automatic

BCM Self-Test

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION BCM Self-Test
  1. Connect the WDS or equivalent to the DLC-2.
  2. Set up the WDS or equivalent (including the vehicle recognition).
  3. Verify the following vehicle conditions:
    • Ignition switch is at ON position.
    • All the switches are turned off (except the ignition switch).
    • All the doors, hood, trunk lid, and liftgate are closed.
    • All the doors, and liftgate are unlocked.
    • Parking brake lever is pulled.
    • Hazard warning switch is turned to off.
    • Turn switch is turned to off.
    • Rear wiper switch is turned to off.
    • Door lock switch is not pressed.
      Fig 1: Locating DLC-2 Connector
      G04324072Courtesy of MAZDA MOTORS CORP.
  4. Perform procedures according to directions on the WDS or equivalent screen.
  5. Verify if any DTCs are displayed.
    • If any DTCs are displayed, perform the troubleshooting according to the corresponding DTC inspection.
  6. Disconnect the WDS or equivalent.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.