EPB 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 Introduction EPB EPB Switch EPB Control module & Actuator System layout Pulling force Signal input to control module EPB : Electronic Parking Brake

3 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. Introduction EPB Benefits of EPB EPBMechanical type Neither lever nor foot pedal is required. More space and higher degree of design for passenger compartment cabin. Automatic release upon starting with parking brake engaged. Lever or pedal is required. Design layout is restricted due to the lever or pedal. Not released but warning (some model only) upon starting with parking brake engaged.

4 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. Components EPB Control module & Actuator Emergency release cable Control cable (RH) EPB control module Control cable (LH) Gear box Force sensor Driving motor Connector socket Plastic gear EPB

5 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. Components EPB EPB switch EPB Switch SW_1SW_5SW_4SW_2 EPB control module EPB switch TerminalPushPull 2~43.91 K ± 3%1.3 K ± 3% 3~50.9 K ± 3%3.98 K ± 3% Push (Brake ON) Pull (Brake OFF)

6 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. Main functions EPB Static Braking Mode EPB ON : EPB switch ON & Vehicle stop EPB OFF: EPB switch OFF & IG ON & Foot brake ON While driving, push EPB switch and Hold it without foot brake. Dynamic Brake Function (DBF) Auto Release Function VI P-TO-X - Engine running + Seat belt ON + Hood / Trunk / Driver door Closed + Brake pedal S/W ON + Gear shift (P position D/R/S position) BH DAR (Drive Away Release) - Engine running + D/R/S position + Seat belt ON + Hood / Trunk / Driver door Closed + Accel. Pedal pressed VI Deleted engine off apply function BH EPB is operated at engine off automatically Engine Off apply

7 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. Main functions EPB Automatic Vehicle Hold (AVH) AVH Switch (1)Engine running ? (2)Shift lever position ? (3)Vehicle is moving ? (4)AVH switch ? (5)What about trunk ? (6)And hood ? (7)Are you staying in the cabin ? (Door & Seat belt) Operating condition ESC HECM TCS solenoid valve (normal open) Hydraulic pressure is trapped by TCS valve during AVH operation. EPB Switch Go mode AUTO HOLD AUTO HOLD AVH activeAccel. pedal onAVH stand by

8 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. AVH EPB EPB Conditions AVH Timer : 10 min, 30 min AUTO HOLD 10 min. AUTO HOLD X min. … AUTO HOLD … AUTO HOLD Y min.Z min. 30 min. (1)Engine off OR (2)Trunk open OR (3)Hood open OR (4)Driver out of vehicle OR (5)Timer out (10min, 30min) OR (6)Vehicle stops at uphill (more than 25%) AUTO HOLD AUTO HOLD

9 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. Driver-In -Vehicle Driver-In -Vehicle Driver-Out- Of-Vehicle Driver-Out- Of-Vehicle Seat belt Release AND Door Open (Seat belt fasten AND Door close) OR (Door close AND Foot brake ON) EPB Driver In & Driver Out AUTO HOLD AVH OFF (No foot brake)

10 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. Main functions EPB Emergency Release & Latching Run Emergency release cable OVM Tool Box Emergency releasing tool Install the tool on the cable and pull until it sounds. Hole for emergency release (Inside trunk) Hook & claw

11 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. Main functions EPB Safety Clutch Bedding Mode Gear box & Safety clutch Improper cable installation may result in problem of the system. Whenever the parking brake shoe is replaced with new one, bedding is required. New shoe must be bedded

12 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. Interface EPB Private CAN Power train CAN Hardwire Brake Cable Brake Pipe AVH switch EPB switch Stop lamp relay AUTO HOLD AUTO HOLD AUTO HOLD EPB ESC EPB Stop lamp Longitudinal G sensor Cluster Engine ECM ECSTCMSAS ( ! )( P ) BRAKE EHPS Brake pipe AFLS Sensor cluster

13 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. ItemsLamp statusRemarks AVH stand by (AVH SW ON) Auto Hold Stand by mode : White color AVH active Auto Hold ON Mode : Green color While DBF (by ESC) Frequency: 1Hz : Case 1 While DBF (by EPB) In case of ESC failure : Case 2 AVH failureAVH system failure EPB ClampEBD active or Insufficient brake fluid EPB failure EPB failure, Self-test in every IG ON (3sec) While communication with scanner After ERC released EPB lamp blinks and the text massage appears until the EPB switch is pressed. Blink AUTO HOLD AUTO HOLD AUTO HOLD Blink EPB Blink + TEXT Lamp control EPB DBF : Dynamic Brake Function

14 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. Type 1: AUTO HOLD CONDITION NOT MET. SEE OWNER'S MANUAL Type 2: AUTO RELEASE CONDITION NOT MET. SEE OWNER'S MANUAL. Type 3: AUTO HOLD FUNTION IS UNAVAILABLE. Type 4: EPB FUNTION IS UNAVAILABLE. APPLY BRAKE PEDAL. EPB Text messages

15 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. Joint BATTERY E EPB Joint Box Engine Room Junction Box Fuse EPB operates at all times regardless of ignition position. EPB Power supply IGN: 10A Power (Hot at all time): Two fuses 15A (EPB-1, EPB-2)

16 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. Diagnosis EPB