Hyundai Accent Manuals

Hyundai Accent: ESC Operation Mode - Description and Operation - ESC(Electronic Stability Control) System - Brake SystemHyundai Accent: ESC Operation Mode

Hyundai Accent RB (2010-2018) Service Manual / Brake System / ESC(Electronic Stability Control) System / Description and Operation / ESC Operation Mode

ESC Hydraulic System Diagram

1.
ESC Non-operation : Normal braking.
Solenoid valve
 Continuity
 Valve
 Motor pump
 TC Valve
IN (NO)
 OFF
 OPEN
 OFF
 OFF
OUT (NC)
 OFF
 CLOSE

2.
ESC operation
Solenoid valve
 Continuity
 Valve
 Motor pump
 TC Valve
Understeering
(Only inside of
rear wheel)
 IN(NO)
 OFF
 OPEN
 ON
 ON
OUT(NC)
 OFF
 CLOSE
Oversteering
(Only outside
of front wheel)
 IN(NO)
 OFF
 OPEN
OUT(NC)
 OFF
 CLOSE

ABS Warning Lamp module
The active ABS warning lamp module indicates the self-test and failure status of the ABS. The ABS warning lamp shall be on:
-
During the initialization phase after IGN ON. (continuously 3 seconds).
-
In the event of inhibition of ABS functions by failure.
-
During diagnostic mode.
-
When the ECU Connector is separated from ECU.
-
Cluster lamp is ON when communication is impossible with CAN module.
EBD/Parking Brake Warning Lamp Module
The active EBD warning lamp module indicates the self-test and failure status of the EBD. However, in case the Parking Brake Switch is turned on, the EBD warning lamp is always turned on regardless of EBD functions. The EBD warning lamp shall be on:
-
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.
-
Cluster lamp is ON when communication is impossible with CAN module.
ESC function/warning lamp (ESC system)
The ESC function/warning lamp indicates the self-test and failure status of the ESC.
The ESC function/warning lamp is turned on under the following conditions :
-
During the initialization phase after IGN ON. (continuously 3 seconds).
-
When the ESC function is inhibited by system failure.
-
When the ESC control is operating. (Blinking - 2Hz)
-
During diagnostic mode.(Except standard mode)
-
Cluster lamp is ON when communication is impossible with CAN module.
ESC Off Lamp (ESC system)
The ESC Off lamp indicates the self-test and operating status of the ESC.
The ESC Off lamp operates under the following conditions :
-
During the initialization mode after IGN ON. (continuously 3 seconds).
-
ESC Off lamp is On when driver input the ESC Off switch.
ESC On/Off Switch (ESC system)
The ESC On/Off Switch shall be used to toggle the ESC function between On/Off states based upon driver input.
The On/Off switch shall be a normally open, momentary contact switch. Closed contacts switch the circuit to ignition.
Initial status of the ESC function is on and switch toggle the state.

Description of ESC
Optimum driving safety now has a name : ESC, the Electronic Stability Control. ESC recognizes critical driving conditions, such as panic reactions in dangerous situations, and stabili ...

Schematic Diagrams
...

See also:

Circuit Diagram - ESC (1)
...

Room Lamp. Repair procedures
Inspection Room Lamp 1. Check that the switch operates properly after disconnecting the room lamp connector (A). ...

ECM Problem Inspection Procedure
1. TEST ECM GROUND CIRCUIT: Measure resistance between ECM and chassis ground using the backside of ECM harness connector as ECM side check point. If the problem is fo ...

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