Rear Auto Leveling Sensor Inspection

WARNING: This page is about a different car, the 2008 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Connect three 1.5 V dry cell batteries in a series.
Connect the positive pole of the battery to auto leveling sensor terminal A, and the negative pole to terminal C, then apply voltage of 4.5 V between terminals A and C.
Connect the tester as shown in the figure.

Measure the voltage while the link is moved up and down slowly.

If not as indicated in VOLTAGE SPECIFICATION , replace the rear auto leveling sensor.

REAR AUTO LEVELING SENSOR VOLTAGE SPECIFICATION

Link angle (vehicle height)	Voltage (V)
+36° (High)	4.1
0°	2.3
-32° (Low)	0.5

Fig 1: Measuring Rear Auto Level Sensor Voltage Terminal (Rear)

Courtesy of MAZDA MOTORS CORP.