Hyundai Genesis: ECS(Electronic Control Suspension) System / ECS Control Unit Repair procedures
1. |
Disconnect the battery (-) terminal. |
2. |
Remove the trunk luggage side trim [RH].
(Refer to Body - "Trunk Trim") |
3. |
Disconnect the connector and then remove the ECS control unit. 
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1. |
Installation in the reverse order of removal. |
2. |
Perform the ESC variant coding.
(1) |
Connect the GDS to the data link connector located underneath the dash panel. |
(2) |
Select a model and ECS. 




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Schematic Diagrams
1.
Connector input/output
No.DescriptionPin No.Description1Battery(+)20-2Solenoid RL (+)21-3Solenoid RR (+)22-4Solenoid FL (+)23-5Solenoid FR (+)24-6- 25G- sensor power7- 26B ...
Replacement
Front
1.
Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported.
2.
Remove the front wheel and tire (A) from the front hub.
Tightening torque ...
Other information:
Specifications
? Type: Combination of output signals from 4 terminals
Power supply (V)12Output typeCombination of output signals
Signal Code Table
PIN No.PP-RRR-NNN-DDS112V12VOOOOOS2O12V12V12VOOOS3OOO12V12V12VOS4OOOOO12V12V
...
Components
NOConnector AConnector BConnector C1Battery +-Room lamp Output2IGN1ECM Mirror +Foot lamp Output3IGN2B CAN High-4ACCB CAN Low-5-PAS (LIN)-6-Integrated sensor (LIN)L_Head lamp washer RLY_OUT7Rear Window Defroster switch-External buzzer output8parking brake switch-SSB light ...