C1805

C1805 HEIGHT ADJUSTING MALFUNCTION (EXH SOLENOID)





Description
The exhaust valve solenoid controls the vent function of the suspension control system. The exhaust valve solenoid is built into the suspension air compressor. The suspension control unit supplies voltage to the exhaust valve solenoid to activate it.




DTC Logic

DTC DETECTION LOGIC









Diagnosis Procedure
1.CHECK EXHAUST SOLENOID OPERATION

CAUTION:
While operating this active test, the suspension control system will vent air pressure and the vehicle ride height will lower. Ensure the area around the vehicle is free from obstructions before beginning test.
CONSULT-III
1. Ensure the suspension control system has air pressure and is not drooping in the rear.
2. Select "EXHAUST SOLENOID" of AIR LEVELIZER active test items.
3. While operating test item, check that the exhaust valve solenoid opens to vent air from the system. The vehicle should lower when the exhaust valve solenoid is activated.

ON : Air vents and vehicle ride height lowers
OFF : No air vents and vehicle ride height remains constant

Does the system vent properly?
YES - Exhaust valve solenoid is operating normally.
NO - Diagnosis Procedure.