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Home >> Mazda >> 2012 >> 3 Mazdaspeed, 2.3L Eng VIN 3 >> Repair and Diagnosis (Single Page) >> Electrical >> Horns >> Instrumentation/Driver Info >> Blind Spot Monitoring (BSM) Control Module Inspection >> Notes

Blind Spot Monitoring (BSM) Control Module Inspection: Notes

  1. Disconnect the negative battery cable.
  2. Remove the rear combination light. (See REAR COMBINATION LIGHT REMOVAL/INSTALLATION .)
  3. Remove the rear bumper. (See REAR BUMPER REMOVAL/INSTALLATION .)
  4. Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5] .)(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI TURBO] .)(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0] .)
  5. Measure the voltage at each terminal is as indicated in the Terminal Voltage Tables.
    • If the voltage or continuity is not as specified in the Terminal Voltage Table, inspect the parts under "Inspection item (s)".
      • If the system does not operate normally even though the related wiring harness and short cord are normal, replace the BSM control module.
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