1.STEP 1The ESP analyzes the intention of the driver.
2.STEP 2It analyzes the movement of the ESP vehicle.
3.STEP 3The HECU calculates the required strategy, then actuates the appropriate valves and sents torque control requests via CAN to maintain vehicle stability.
1.ESP Non-operation-Normal braking.
Inlet valve (IV) | Outlet valve (OV) | Traction Control Valve (TCV) | High pressure switch valve (HSV) | Return pump | |
Normal braking | Open | Close | Open | Close | OFF |
• IV : Inlet Valve
• OV : Outlet Valve
• RL : Rear left wheel
• FR : Front right wheel
• FL : Front left wheel
• RR : Rear right wheel
• RP : Return pump
• TCV : Traction Control Valve
• HSV : High pressure Switch Valve
2.ESP Increase Mode
Inlet valve (IV) | Outlet valve (OV) | Traction Control Valve (TCV) | High pressure switch valve (HSV) | Return pump | |
Normal braking | Open | Close | Close (Partial) | Open | ON (Motor speed control) |
• IV : Inlet Valve
• OV : Outlet Valve
• RL : Rear left wheel
• FR : Front right wheel
• FL : Front left wheel
• RR : Rear right wheel
• RP : Return pump
• TCV : Traction Control Valve
• HSV : High pressure Switch Valve
3.ESP Hold Mode (FR is only controlled.)
Inlet valve (IV) | Outlet valve (OV) | Traction Control Valve (TCV) | High pressure switch valve (HSV) | Return pump | |
Normal braking | Close | Close | Close (Partial) | Open | OFF |
• IV : Inlet Valve
• OV : Outlet Valve
• RL : Rear left wheel
• FR : Front right wheel
• FL : Front left wheel
• RR : Rear right wheel
• RP : Return pump
• TCV : Traction Control Valve
• HSV : High pressure Switch Valve
4.ESP Decrease Mode (FR is only controlled)
Inlet valve (IV) | Outlet valve (OV) | Traction Control Valve (TCV) | High pressure switch valve (HSV) | Return pump | |
Normal braking | Close | Open | Close (Partial) | Open | ON (Motor speed low control) |
• IV : Inlet Valve
• OV : Outlet Valve
• RL : Rear left wheel
• FR : Front right wheel
• FL : Front left wheel
• RR : Rear right wheel
• RP : Return pump
• TCV : Traction Control Valve
• HSV : High pressure Switch Valve
– During the initialization phase after IGN ON. (continuously 3 seconds).
– In the event of inhibition of ESP functions by failure.
– During diagnostic mode.
– When the ECU Connector is separated from ECU.
– During the initialization phase after IGN ON. (continuously 3 seconds).
– When the Parking Brake Switch is ON or brake fluid level is low.
– When the EBD function is out of order .
– During diagnostic mode.
– When the ECU Connector is separated from ECU.
– During the initialization phase after IGN ON. (continuously 3 seconds).
– In the event of inhibition of ESP functions by failure.
– During dignostic mode.
– When the ESP control is operating. (Blinking - 2Hz)
– During the initialization phase after IGN ON. (continuously 3 seconds).
– When driver turn off the ESP function by on/off switch.
Hyundai Accent (HC) (2017 - 2022) Service Manual: Engine Oil
- Replacement • Prolonged and repeated contact with mineral oil will result in the removal of natural fats from the skin, leading to dryness, irritation and dermatitis. In addition, used engine oil contains potentially harmful contaminants which may cause skin cancer. • Exercise caution in order to minimize the length and frequency of contact of your skin to used oil.Hyundai Accent (HC) (2017 - 2022) Service Manual: Brake Line
- Components [Disc Type] [Drum Type] - Removal [Brake Tube (Engine Room)] 1.Disconnect the negative (-) battery cable. 2.Disconnect the brake fluid level switch connector. 3.Remove the brake fluid from the master cylinder reservior with a syringe. • Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.