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Auto Leveling Sensor Inspection

  1. Disconnect the negative battery terminal. (Refer to NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the auto leveling sensor. (Refer to AUTO LEVELING SENSOR REMOVAL/INSTALLATION .)
  3. Prepare three dry cell batteries (1.5 V  ).
  4. Connect the three dry cell batteries in a series.
    Fig 1: Connecting Three Dry Cell Batteries In Series
    G10950437Courtesy of MAZDA MOTORS CORP.
  5. Connect the positive pole of the dry cell battery to auto leveling sensor terminal C, and the negative pole to terminal A.
    Fig 2: Connecting Positive Pole Of Dry Cell Battery To Auto Leveling Sensor Terminal C
    G10950438Courtesy of MAZDA MOTORS CORP.
  6. Connect the tester as shown in the figure with approx. 4.5 V  of voltage applied between auto leveling sensor terminals A and C, and measure the voltage at auto leveling sensor terminal B.
    Fig 3: Measuring Voltage At Auto Leveling Sensor Terminal B
    G10950439Courtesy of MAZDA MOTORS CORP.
  7. When slowly moving the auto leveling sensor link up and down, verify that the voltage fluctuates linearly between 0.5-4.5 V  as shown in the figure.
    Fig 4: Moving Auto Leveling Sensor Link Up And Down
    G10950440Courtesy of MAZDA MOTORS CORP.