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C1805 HEIGHT ADJUSTING MALFUNCTION (EXH SOLENOID) SCS-13 < COMPONENT DIAGNOSIS > C D F G H I J K L M A B SCS N O P C1805 HEIGHT ADJUSTING MALFUNCTION (EXH SOLENOID) Description INFOID:0000000005148163 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 INFOID:0000000005148164 DTC DETECTION LOGIC Diagnosis Procedure INFOID:0000000005148165 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. Does the system vent properly? YES >> Exhaust valve solenoid is operating normally. NO >> Refer to DTC CONSULT-III Diagnostic item is detected when ... Probable malfunction location C1805 VEHICLE HEIGHT AD- Continuous exhaust valve solenoid ON time is Short to power in the exhaust valve solenoid ON : Air vents and vehicle ride height lowers OFF : No air vents and vehicle ride height remains constant |