Height Sensor Signal Circuit
DescriptionSupplies 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.
HEIGHT SEN: Voltage changes with vehicle height
Is the HEIGHT SEN data monitor responding normally?
YES >> Height sensor is operating normally.
NO >> Refer to "Diagnosis Procedure".
Diagnosis Procedure
1. CHECK HEIGHT SENSOR POWER AND GROUND SUPPLY
Check height sensor power and ground supply Refer to SCS-18, "HEIGHT SENSOR: Diagnosis Procedure". Height Sensor: Diagnosis Procedure
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.
NO >> Repair harness or connector.