Air Suspension System

SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: SYSTEM DESCRIPTION

SYSTEM DESCRIPTION

1. AIR SUSPENSION SYSTEM DESCRIPTION
(a) The suspension control ECU operates the compressor motor with the dryer and uses the solenoid valves to control the vehicle height by analyzing the information based on the switches, sensors and input signals.
(b) Through the 4 height control sensors, the suspension control ECU detects changes in the vehicle height that result from the number of occupants or the amount of the load. Then, the suspension control ECU controls the height control solenoid valves and the compressor motor with the dryer in order to automatically adjust the vehicle height to a constant (normal) level.
Furthermore, 2 vehicle heights can be selected by operating the height control switch: HEIGHT HIGH and NORMAL.
(c) In cases such as when the vehicle is jacked up, the auto leveling function is prohibited by turning the power switch OFF. In cases when the vehicle is to be jacked up with the power switch ON (READY), the height control function can be stopped by connecting terminals 11 (OPA) and 4 (CG) of the DLC3.
(d) The absorber control switch selects the shock absorber damping force (COMFORT, NORMAL or SPORT).

Function of components





SUSPENSION CONTROL: AIR SUSPENSION SYSTEM: SYSTEM DIAGRAM

SYSTEM DIAGRAM