DTC Diagnosis Procedure

Visually check for malfunction of suspension components, installing malfunction, or deformation of vehicle height sensor.

Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace damaged parts.

1. Disconnect vehicle height sensor connector.
2. Turn ignition switch ON.
   CAUTION: Never start the engine.
3. Check voltage between vehicle height sensor harness connector and ground.

   Vehicle height sensor		--	Voltage
   Connector	Terminal
   C13	1	Ground	4.5 - 5.5 V

Is the inspection result normal?

YES

GO TO 4.

NO

GO TO 3.

1. Turn ignition switch OFF.
2. Disconnect air levelizer control module connector.
3. Check continuity between air levelizer control module harness connector and vehicle height sensor harness connector.

   Air levelizer control module		Vehicle height sensor		Continuity
   Connector	Terminal	Connector	Terminal
   B84	13	C13	1	Existed

4. Check continuity between air levelizer control module harness connector and ground.

   Air levelizer control module		--	Continuity
   Connector	Terminal
   B84	13	Ground	Not existed

Is the inspection result normal?

YES

1. Check intermittent incident.. Refer to Inspection .
2. If inspection result is OK, replace the air levelizer control module. Refer to AIR LEVELIZER CONTROL MODULE : Removal & Installation .

NO

Repair or replace damaged parts.

1. Turn ignition switch OFF.
2. Disconnect air levelizer control module connector.
3. Check continuity between air levelizer control module harness connector and vehicle height sensor harness connector.

   Air levelizer control module		Vehicle height sensor		Continuity
   Connector	Terminal	Connector	Terminal
   B84	5	C13	2	Existed
   	4		3

4. Check continuity between air levelizer control module harness connector and ground.

   Air levelizer control module		--	Continuity
   Connector	Terminal
   B84	5	Ground	Not existed
   	4

Are the inspection results normal?

YES

GO TO 5.

NO

Repair or replace damaged parts.

Check the vehicle height sensor. Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 6.

NO

Replace the vehicle height sensor. Refer to VEHICLE HEIGHT SENSOR : Removal & Installation .

Refer to Inspection .

Is the inspection result normal?

YES

Replace the air levelizer control module. Refer to AIR LEVELIZER CONTROL MODULE : Removal & Installation .

NO

Repair or replace damaged parts.