C1807

C1807 VHCL HEIGHT SEN VOLT

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. CHECK DTC DETECTION

With CONSULT
1.Turn ignition switch ON and wait 20 seconds or more.
2.Perform "Self Diagnostic Results" in "E-SUS".
Is "C1807" detected ?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK POWER SUPPLY CIRCUIT (PART 1)

1.Disconnect vehicle height sensor connector.
2.Turn ignition switch ON.

CAUTION:
Never start the engine.
3.Check voltage between the vehicle height sensor harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT (PART 2)

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.





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





Is the inspection result normal?
YES- 1.Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
2.If inspection result is OK, replace the air levelizer control module. Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace damaged parts.

3. CHECK HARNESS BETWEEN AIR LEVELIZER CONTROL MODULE AND VEHICLE HEIGHT SENSOR

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.





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





Are the inspection results normal?
YES- GO TO 4.
NO- Repair or replace damaged parts.

4. CHECK VEHICLE HEIGHT SENSOR

Check the vehicle height sensor. Refer to "Component Inspection" C1801.
Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace the vehicle height sensor. Refer to "Removal and Installation" Removal and Installation.