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Auto Light Sensor Inspection

NOTE:
  • Inspect the auto light sensor from the back side of the connector with the connector still connected.
  1. Measure the voltage at auto light sensor terminal A and verify that the voltage is 5 V  .
  2. Shine a fluorescent light or expose the auto light sensor to natural sunlight.
  3. Connect the positive (+) lead to terminal B and the negative (-) lead to terminal C of the auto light sensor, and verify that the voltages are as shown in the table.
    Fig 1: Measuring Voltage Auto Light Sensor Terminal
    G04861335Courtesy of MAZDA MOTORS CORP.
    • If the voltage is not as specified, replace the auto light sensor.
    Fig 2: Voltage Reference Chart
    G04861334Courtesy of MAZDA MOTORS CORP.
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