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Home >> Mazda >> 2003 >> MX-5 Miata SE, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Shift Mechanism >> Key Interlock Unit Inspection
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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.
    • If not as specified, repair the wiring harness and/or key interlock unit.
    Fig 1: Key Interlock Unit Terminals Voltage Reference Chart
    G01907625Courtesy of MAZDA MOTORS CORP.
    Fig 2: Identifying Connector Terminals
    G01907626Courtesy of MAZDA MOTORS CORP.
  3. Install the front side trim.