Height Sensor Signal Circuit

HEIGHT SENSOR SIGNAL CIRCUIT





Description
Supplies vehicle height input to the suspension control unit.




Component Function Check
1.CHECK HEIGHT SENSOR OPERATION
CONSULT-III
1. Select "HEIGT SEN" of AIR LEVELIZER data monitor test item.
2. While monitoring test item, add or take away weight from the rear of the vehicle. Check that the voltage value changes with vehicle height.





Is the HEIGHT SEN data monitor responding normally?
YES - Height sensor is operating normally.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK HEIGHT SENSOR POWER AND GROUND SUPPLY
Check height sensor power and ground supply. Height Sensor.
Are the inspection results normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK HEIGHT SENSOR SIGNAL CIRCUIT





1. Disconnect suspension control unit connector B3 and height sensor connector C8.
2. Check continuity between suspension control unit connector B3
(A) terminal 3 and height sensor connector C8 (B) terminal 2.





3. Check continuity between display unit harness connector B3 (A) terminal 3 and ground.





Are the continuity results as specified?
YES - Replace the height sensor. Service and Repair.
NO - Repair harness or connector.