DTC C1731/31, C1732/32, C1733/33, C1734/34, C1736/36: Front Height Control Gate Solenoid Valve Circuit Malfunction; Front Height Control Leveling Solenoid Valve Circuit Malfunction; Rear Height Control Gate Solenoid Valve Circuit Malfunction; Rear Height Control Leveling Solenoid Valve Circuit Malfunction; Accumulator Solenoid Valve Circuit Malfunction: Wiring Diagram
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.