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Hyundai Equus: Electronic controlled suspension (ECS) (If equipped)

ECS controls the vehicle suspension automatically to maximize passenger comfort by using the air spring and controllable shock absorber in the suspension.
You can also control the vehicle height manually in NORMAL mode or HIGH mode.
DRIVE mode / SNOW mode
To control the vehicle heightUnderdrive Brake Control Solenoid Valve(UD/B_VFS) Specifications
Specifications
Direct control VFS[UD/C]
x Control type : Normal low type
Control Pressure kpa (kgf/cmx, psi)0~1569.06 (0~16,0~227.57)Current value(mA)0~1100 Internal resistance ...
Injector Schematic Diagrams
Circuit Diagram
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Smart Key Unit Repair procedures
Removal
Smart Key Unit
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel after loosening the mounting screws.
(Refer to Body - "Crash Pad Lower Panel")
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