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Technical Info

Kia Rio: ESC Operation Mode - ESC(Electronic Stability Control) System - Brake System - Kia Rio UB 2012-2020 Service ManualKia Rio: 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
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
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
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
Electronic Stability Control (ESC) recognizes critical driving conditions, such as panic reactions in dangerous situations, and stabilizes the vehicle by wheel-individual braking and engine c ...

Schematic Diagrams
Circuit Diagram - ESC (1) Circuit Diagram - ESC (2) Circuit Diagram - ESC (3) Circuit Diagram - ESC (4) ESC connector input/output Connector Terminal Specifi ...

See also:

Input Speed Sensor Inspection
1. Check signal waveform of Input & output speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. ...

Rear Shock Absorber Inspection
1. Check the components for damage or deformation. 2. Compress and extend the piston and check that there is no abnormal resistance or unus ...

Delivery Pipe Installation
   • Do not use already used injector fixing clip again. ...

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