C1806

Height Sensor System Inspection

INSPECTION PROCEDURE
1. SELF-DIAGNOSIS RESULT CHECK





Check self-diagnosis results.
Self-diagnosis results
C1801
C1806
C1807

Is the above displayed in the self-diagnosis display items?
YES >> GO TO 3.
NO >> GO TO 2.

2. DATA MONITOR CHECK





Conduct data monitor of "HEIGT SEN" to check if the status is normal.

OK or NG
OK >> >> Inspection End.
NG >> GO TO 3.

3. CONNECTOR INSPECTION
1. Disconnect suspension control unit connector B3 and height sensor C8.
2. Check the terminals for deformation, disconnection, looseness or damage.

OK or NG
OK >> >> GO TO 4.
NG >> Repair or replace as necessary.

4. CHECK HEIGHT SENSOR POWER AND GROUND
1. Reconnect the suspension control unit connector.
2. Turn the ignition switch ON.





3. Check voltage between height sensor connector C8 terminal 1 (R) and ground.
Voltage: Approximately 5V





4. Check resistance between height sensor connector C8 terminal 3 (L) and ground.
Continuity should exist.

OK or NG
OK >> >> GO TO 5.
NG >> Repair the circuit.

5. CHECK HEIGHT SENSOR SIGNAL CIRCUIT





1. Check resistance between height sensor connector C8 terminal 2 (W) and suspension control unit connector B3 terminal 3 (W).
Continuity should exist.





2. Check resistance between height sensor connector C8 terminal 2 (W) and ground.
Continuity should not exist.

OK or NG
OK >> >> Replace the height sensor.
NG >> Repair the circuit.