Power Door Latch 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 Power Door Latch 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 Possible to close door even with small effort All door have power door latch Consist of door lock actuator and Soft Closing Actuator (SCA) Door lock / unlock is controlled by ADM and DDM Power Ground Power window motor Latch & Door Lock Actuator SCA (Soft Closing Actuator) Power Closing Cable

3 Power Door Latch 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 – Door Lock Actuator Latch · Like as conventional latch · Power door latch function with SCA (cable connection) Actuator · Door lock/unlock control · Door key S/W and lock S/W inside · Integrated pawl & Ajar S/W

4 Power Door Latch 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. Power Door Latch ECUPower Closing MotorHall Sensor Detects the signal from ajar S/W and pawl S/W, it drives Soft Closing Actuator. Based on the control from Power door latch ECU, it latches the door pulling the cable. Mounted on PCB and it detects the initial position of latch. Components – SCA

5 Power Door Latch 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. Ajar S/W ON OFF ON OFF Pawl S/W Power latch motor (SCA cable) Reverse 100ms 150ms CategoryDoor OpenPartial CloseDoor CloseDoor Open Ajar SwitchON OFFON Pawl SwitchONOFF ONOFFON SCA cableStopPulled (Max 2sec)PushedPushed & Stop Reverse Forward Door Strike SCA cable Pawl S/W Operating Principle

6 Power Door Latch 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. B+ DDM SCA DRV. Door Lock Actuator Pawl S/W (Built inside door lock actuator) OBD Pawl S/W (12V/0V) Ajar S/W (12V/0V) Circuit Diagram