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Copyright by Hyundai Motor Company. All rights reserved. ESC
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2 Comparison ItemLZ (Centennial)BH (Genesis) SupplierTEVES ModelMK25MK25E1 / MK25E1 Plus NO valve4 (ON/OFF control)4 (PWM control) NC valve TCS valve2 (on/off-digital)2 (duty-analog) ESV valve22 Motor11 Pressure sensor2MK25E1:1EA / MK25E1 Plus: 3EA LPA22
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3 ESC Inputs & Outputs Sensor cluster Pressure sensor Wheel speed sensor Solenoid valves [CAN] Input - SAS, Gear position … Output - Warning lamp (ESC/ABS/EBD) - Function lamp (ESC) [CAN] Input - SAS, Gear position … Output - Warning lamp (ESC/ABS/EBD) - Function lamp (ESC) Motor pump Brake switch ESC OFF switch CAN AVH switch [WSS output via hardwire] AV Head Unit / PDM TPMS / ENG ECM [WSS output via hardwire] AV Head Unit / PDM TPMS / ENG ECM HECMHECM HECMHECM The signal of SAS is transmitted via power train high speed CAN. Stop lamp relay
![3 ESC Inputs & Outputs Sensor cluster Pressure sensor Wheel speed sensor Solenoid valves [CAN] Input - SAS, Gear position … Output - Warning lamp (ESC/ABS/EBD) - Function lamp (ESC) [CAN] Input - SAS, Gear position … Output - Warning lamp (ESC/ABS/EB](http://images.myshared.ru/9/885206/slide_3.jpg "3 ESC Inputs & Outputs Sensor cluster Pressure sensor Wheel speed sensor Solenoid valves [CAN] Input - SAS, Gear position … Output - Warning lamp (ESC/ABS/EBD) - Function lamp (ESC) [CAN] Input - SAS, Gear position … Output - Warning lamp (ESC/ABS/EB")
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4 ESC Wheel speed sensor & HECM [WSS – Front ; built in the hub bearing] Spec.: 7mA ~14mA Front: Hall IC type Rear: Magnetic type Type [HECM] [WSS – Rear]
![4 ESC Wheel speed sensor & HECM [WSS – Front ; built in the hub bearing] Spec.: 7mA ~14mA Front: Hall IC type Rear: Magnetic type Type [HECM] [WSS – Rear]](http://images.myshared.ru/9/885206/slide_4.jpg "4 ESC Wheel speed sensor & HECM [WSS – Front ; built in the hub bearing] Spec.: 7mA ~14mA Front: Hall IC type Rear: Magnetic type Type [HECM] [WSS – Rear]")
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5 ESC SAS Type - Contact-less type - Outputs via CAN interface - Range: -780˚ ~ + 780˚ [SAS] IGN GND SAS ESC CAN HI CAN LOW
![5 ESC SAS Type - Contact-less type - Outputs via CAN interface - Range: -780˚ ~ + 780˚ [SAS] IGN GND SAS ESC CAN HI CAN LOW](http://images.myshared.ru/9/885206/slide_5.jpg "5 ESC SAS Type - Contact-less type - Outputs via CAN interface - Range: -780˚ ~ + 780˚ [SAS] IGN GND SAS ESC CAN HI CAN LOW")
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6 ESC Sensor cluster Variation W/O EPB : Yaw rate / Lateral G sensor W/EPB : Yaw rate / Lateral / Longitudinal G sensor It has a function of self-diagnosis and sends the output signal to ESC via private CAN line. [Sensor cluster] Sensor power GND CAN HI CAN LOW Not used Sensor Cluster ESC 6 [Connector layout]
![6 ESC Sensor cluster Variation W/O EPB : Yaw rate / Lateral G sensor W/EPB : Yaw rate / Lateral / Longitudinal G sensor It has a function of self-diagnosis and sends the output signal to ESC via private CAN line. [Sensor cluster] Sensor power GND 1 2](http://images.myshared.ru/9/885206/slide_6.jpg "6 ESC Sensor cluster Variation W/O EPB : Yaw rate / Lateral G sensor W/EPB : Yaw rate / Lateral / Longitudinal G sensor It has a function of self-diagnosis and sends the output signal to ESC via private CAN line. [Sensor cluster] Sensor power GND 1 2")
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7 ESC Sensor cluster DTCFailureW/LampFailsafe C1274 Longitudinal G-sensor output signal unmatched On : EPB Off : Next IGN Does NOT affect to the operation of EBD/ABS/TCS/ESC C1275 Longitudinal G-sensor output signal invalid On : EPB Off : Next IGN Does NOT affect to the operation of EBD/ABS/TCS/ESC C1282 Yaw rate & Lateral G-sensor output signal unmatched On : TCS, ESC Off : Next IGN TCS/ESC prohibited C1283 Yaw rate & Lateral G-sensor output signal invalid On : TCS, ESC Off : Next IGN TCS/ESC prohibited Failsafe
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8 ESC Pressure sensor W/O SCC: 1EA W/SCC: 3EA (ESC:1EA, SCC:2EA) [MK25] Pressure sensor [MK25-E) DTCFailureW/LampFailsafe P1235 Pressure sensor signal unmatched / out of range On : ESC Off : Next IGN TCS/ESC/HBA prohibited AVH, SCC prohibited P1237 FL/FR line pressure sensor failure On : SCC Off : Next IGN SCC prohibited
![8 ESC Pressure sensor W/O SCC: 1EA W/SCC: 3EA (ESC:1EA, SCC:2EA) [MK25] Pressure sensor [MK25-E) DTCFailureW/LampFailsafe P1235 Pressure sensor signal unmatched / out of range On : ESC Off : Next IGN TCS/ESC/HBA prohibited AVH, SCC prohibited P1237 F](http://images.myshared.ru/9/885206/slide_8.jpg "8 ESC Pressure sensor W/O SCC: 1EA W/SCC: 3EA (ESC:1EA, SCC:2EA) [MK25] Pressure sensor [MK25-E) DTCFailureW/LampFailsafe P1235 Pressure sensor signal unmatched / out of range On : ESC Off : Next IGN TCS/ESC/HBA prohibited AVH, SCC prohibited P1237 F")
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9 ESC Communication ESC EPB SCC CLU IPM Body CAN Chassis CAN ECM TCM SAS SC Private CAN
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