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Home >> Mazda >> 2004 >> MX-5 Miata LS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission [Shift Mechanism] >> Key Interlock Unit Inspection

Key Interlock Unit Inspection

  1. Remove the front side trim.
  2. Turn the ignition switch to ON, and inspect terminal voltages, referring to the chart below.
    • If not as specified, repair the wiring harness and/or key interlock unit.
    Fig 1: Identifying Key Interlock Unit Connector Terminals
    G00990042Courtesy of MAZDA MOTORS CORP.
    Fig 2: Testing Key Interlock Unit Chart
    G00990043Courtesy of MAZDA MOTORS CORP.