VSM (Vehicle Stability Management) Centennial / Equus Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company.

2 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. SCC (Driving Condition Monitoring) SCC (Driving Condition Monitoring) ESC (Braking Control) ESC (Braking Control) PSB (Haptic Warning/Full Retraction) PSB (Haptic Warning/Full Retraction) Cluster (Warning Lamp/Buzzer) Cluster (Warning Lamp/Buzzer) Overview VSM utilizes ESC, suspension, braking, and smart cruise control systems to control the vehicles dynamics, including power distribution, braking, and acceleration. VSM utilizes ESC, suspension, braking, and smart cruise control systems to control the vehicles dynamics, including power distribution, braking, and acceleration. EPB Control ECS Control

3 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company SCC Sensor and Control Module 2. ECM 3. ESC (Brake) 4. Wheel Speed Sensor (4EA) 5. Yaw-rate Sensor 6. Steering Angle Sensor 7. Cluster 8. CAN Communication Overview – SCC (Smart Cruise Control) SCC Operation range : 10~180km/h(kph) - 10 ~ 30kph (only for reducing speed), 30~180kph (actual control operation range)

4 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. SCC EMSTCU Cluster Accel. Decel. Feed back control Repeater A/T Brake SAS ESC Switch SCC (Smart Cruise Control) Disengaged condition - Vehicle Speed : 10kph or 180kph - SCC system fail (SCC sensor / ESC / ECM / Cluster) - R - Position - EPB activated - Shift from D to 1 st gear (sports mode) - ABS / TCS / ESC activated - ESC OFF switch on Disengaged condition - Vehicle Speed : 10kph or 180kph - SCC system fail (SCC sensor / ESC / ECM / Cluster) - R - Position - EPB activated - Shift from D to 1 st gear (sports mode) - ABS / TCS / ESC activated - ESC OFF switch on

5 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Constant Speed Set speed : 100km/h Host vehicle speed : 100km/h Reduce Speed Set speed : 100km/h Relevant object : 80km/h Host vehicle speed : reduce to 80km/h Maintain distance Set speed : 100km/h Relevant object : 80km/h Host vehicle speed : 80km/h Acceleration Set speed : 100km/h Host vehicle speed : increase to 100km/h SCC Driving Mode

6 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. SCC Sensor Alignment Reason for alignment - To get the right position of the targets on the road. Normal Alignment Abnormal Alignment The sensor detect a relevant target in other lane. The sensor must been adjusted.

7 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Axis parallel 1. Start rotation of rear wheel 2. Fix dynamometer brake Mirror Start rotation of rear wheel (approximately 3 revolutions) Rear axis is parallel to dynamometer axis Vehicle thrust vector is perpendicular to the mirror Start rotation of rear wheel (approximately 3 revolutions) Rear axis is parallel to dynamometer axis Vehicle thrust vector is perpendicular to the mirror SCC Sensor Alignment

8 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. The mirror is perpendicular to the ground Reflector SCC Sensor Alignment Once the sensor alignment is performed by the GDS, SCC module automatically executes the alignment process by moving the location of the sensor (automatic process). Once the sensor alignment is performed by the GDS, SCC module automatically executes the alignment process by moving the location of the sensor (automatic process).

Copyright by Hyundai Motor Company. All rights reserved. ESC

10 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. ABS (Anti-lock Braking System) EBD (Electronic Brake-force Distribution) CBC (Cornering Brake Control) BAS (Brake Assist System) TCS (Traction Control System) ABSEBDCBC BASTCS VDC Related control - AVH - EPB - SCC - VSM ESC Overview

11 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. CategoryLZ (Centennial)BH (Genesis) / VI (Centennial) MakerTeves ModelMK25MK25 - E1 / MK25 E3 NO Valve4 (ON/ OFF Control)4 (Duty Control) NC Valve44 TCS Valve22 ESV Valve22 Motor11 Pressure Sensor2MK25-E1:1EA MK25-E3: 3EA LPA22 ESC Specification

12 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Sensor Cluster (Module) Pressure Sensor Wheel Speed Sensor Solenoid Valve [CAN Communication] Input - SAS, Gear Position… Output - Warning Lamp (ESC / VSM) - Indicator (ESC) [CAN Communication] Input - SAS, Gear Position… Output - Warning Lamp (ESC / VSM) - Indicator (ESC) Motor Pump Brake Switch ESC OFF Switch CAN AVH / VSM Switch Stop Lamp Relay Wheel Speed Sensor Output HECUHECU HECUHECU Inputs and Outputs The signal of SAS is transmitted via power train high speed CAN.

13 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Sensor cluster Included Sensor: Yaw rate / Lateral / Longitudinal G sensor It has a function of self-diagnosis and sends the output signal to ESC via private CAN line. Included Sensor: 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]

14 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. 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

15 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Pressure sensor W/O SCC: 1EA W/SCC: 3EA (ESC:1EA, SCC:2EA) [MK25] Pressure sensor [MK25-E5) DTCFailureW/LampFailsafe C1235 C1237 Pressure sensor signal unmatched / out of Range On : ESC Off : Next IGN TCS/ESC/HBA prohibited AVH, SCC prohibited C1353 C1354 C1355 C1356 FL/FR line pressure sensor failure On : SCC Off : Next IGN SCC prohibited

16 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. Wheel speed sensor & HECM [WSS – Front ; built in the hub bearing] Type - Front : Hall IC type - Rear : Magnetic type Spec.: 7mA ~14mA Type - Front : Hall IC type - Rear : Magnetic type Spec.: 7mA ~14mA [HECM] [WSS – Rear]

17 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. SAS (Steering Angle Sensor) Type - Contact-less type - Outputs via CAN interface - Range: -780˚ ~ + 780˚ - ESC Module receives steering wheel angle sensor signals from powertrain CAN. Type - Contact-less type - Outputs via CAN interface - Range: -780˚ ~ + 780˚ - ESC Module receives steering wheel angle sensor signals from powertrain CAN. [SAS] IGN GND SAS ESC CAN HI CAN LOW Powertrain CAN

18 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. SAS Alignment Perform front wheels alignment and align steering wheel to within ± 5˚ Connect the scanner Perform SAS calibration menu After disconnect scanner and confirm - Road Test : Turn left once and right once and warning light must not go off SAS Alignment Perform front wheels alignment and align steering wheel to within ± 5˚ Connect the scanner Perform SAS calibration menu After disconnect scanner and confirm - Road Test : Turn left once and right once and warning light must not go off System Maintenance

19 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. CategorySystemFunction Cornering StabilityESC Controls the brake and engine performance to improve cornering stability Convenience of ParkingEPBOperated parking brake by electrical switch AVH (Automatic Vehicle Hold) ESC+EPB After stopping, maintains the brake engaged even with the drivers foot off the brake pedal and disengages the brakes upon stepping on the accelerator. Cruise and distance control SCC+ESCMaintains a set speed and distance from other cars in lane. Collision Warning Visual / Auditory SCC + ESC + PSB + Cluster Gives visual and auditory collision warnings. HapticVibrates the seatbelt as collision warning. Passenger protection - Control seatbelt (full retraction) - Braking control (Pre-Fill, Pre-Brake, BAS) VSM Functions

20 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. 0,3g Pre-Brake Prefill Deceleration rate variation BAS Primary Warning (Cluster) Time With VSM Without VSM Foot movement (Accel Brake) Foot movement (Accel Brake) Threat recognition Brake pedal activation Seatbelt vibration Retraction Deceleration rate Max. Deceleration rate Required Deceleration rate Secondary Warning (Cluster + seatbelt vibration) Braking Control

21 VSM (Vehicle Stability Management) Copyright 2009 All rights reserved. No part of this material may be reproduced, stored in any retrieval system or transmitted in any form or by any means without the written permission of Hyundai Motor Company. VSM off Lamp (Switch on, Fail) Blink (2Hz)+Buzzer(2Hz)Blink (2Hz)+Buzzer(Continuously)) AVH Stand by AVH Active EPB Warning ESC ESC OFF EPB Clamp TPMS Warning TPMS Low Pressure Warning Warning Control