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Auto Leveling Sensor Inspection

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Remove the auto leveling sensor. (See 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: Identifying Dry Cell Batteries
    G09772540Courtesy of MAZDA MOTORS CORP.
  5. Connect the positive pole of the dry cell batteries to auto leveling sensor terminal C, and the negative pole to terminal A.
    Fig 2: Connecting Positive Pole Of Dry Cell Batteries To Auto Leveling Sensor Terminal C And Negative Pole To Terminal A
    G09772541Courtesy 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
    G09772542Courtesy of MAZDA MOTORS CORP.
  7. Verify that the voltage fluctuates linearly between 0.5-4.5 V  as shown in the figure when slowly moving the auto leveling sensor link upward or downward.
    Fig 4: Voltage Versus Vehicle Height While Empty Graph
    G09772543Courtesy of MAZDA MOTORS CORP.