C1731 LEXUS – Front Gate Valve Solenoid Circuit

C1731 LEXUS Possible Symptoms

Active Height Control (AHC) Suspension Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C1731 LEXUS Possible Causes

Faulty Front Gate Valve Solenoid,Front Gate Valve Solenoid harness is open or shorted,Front Gate Valve Solenoid circuit poor electrical connection,Faulty Suspension Electronic Control Unit (ECU)

C1731 LEXUS Description

The Control Valve Assembly consist of each front and rear leveling valve and gate valve and performs the height control and connecting and disconnecting the fluid line of the right and left shock absorber by operating the solenoid valve ON and OFF with the control signal from the Electronic Control Unit (ECU).