Automatic Transmission 6HP26 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 Automatic Transmission 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. TM Variation Engine A/T model Area Power/Torque (target) DOMGeneral Middle East China Gasoline Lambda 3.8L MPI (Reg.) 280/36.3 B600 (AISIN) Tau 4.6L MPI (Reg.) 357/44.5 (Pre.) 363/45.7 6HP26 (ZF) VI Limousine (Tau 5.0L MPI ) may not be exported.

3 Automatic Transmission 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. ItemsSpecificationItemsSpecification AT Model6HP26 Solenoid Valve On/Off1 (MV1) EngineTau 4.6L V8Linear6 (EDS1,2,3,4,5,6) Max. Torque470 Nm Elements Clutch3 (Multiple disc type) Gear Ratio 1 st 4.171Brake2 (Multiple disc type) 2 nd 2.340Planetary gear set2 (a single, a double) 3 rd ATF Spec.Shell M th 1.143QuantityApprox. 10L 5 th 0.867ATF service intervalLife time 6 th R3.403 Specification

4 Automatic Transmission 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. 3 clutches & 2 brakes, without OWC Lepelletier type planetary gear Maintenance free ATF (SHELL M1375.4) Plastic oil pan (filter integrated) Mechatronic module Features

5 Automatic Transmission 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. Oil Pan Oil filter (life time) Plastic oil pan only (lighter & lower cost) Integrated oil filter Very cautious for treatment Tightening torque : 10 Nm The tightening order is important to prevent the deformation of plastic oil pan.

6 Automatic Transmission 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. Mechatronic module A combination of a valve body and a TCM. Located in the transmission oil pan area. Hydraulics, electrical components and electronics are combined into a single unit. [Mechatronic module] Inhibitor switch Actuators Valve body Wiring harness Sensors [Conventional Separated type] TCM

7 Automatic Transmission 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. High level of reliability due to fewer plug contacts and interfaces Advantages of Mechatronic module Closer matching of gear shifts Optimized shift quality Separated typeMechatronic module Retaining clips Considerable cost savings in AT manufacturing Fewer work stages - actuators assembled with electrical contacts - module flanged on as function-tested unit Greater effort and expense in AT manufacturing Many work stages (assembly, wiring, testing) Increased refinement

8 Automatic Transmission 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. Torque converter Pump Single planetary gear set Double planetary gear set Parking lock wheel Output flange Parking lock pawl Oil pan Mechatronics Section View A,B,E: Clutch C,D : Brake

9 Automatic Transmission 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. Shift lever Solenoid valves Electronic pressure control valveShift components MV1 EDSClutchBrake ABEL/UCD P R N D1 D2 D3 D4 D5 D6 ( : ON/OFF control, : Duty control, : Pressure delivered) EDS1 : Clutch A control, EDS2 : Clutch B control, EDS3 : Brake C control, EDS4 : Brake D & Clutch E control, EDS5 : Line pressure control, EDS6 : Lock-up clutch control MV1 : Clutch E control (Switching valve), L/U : Lock-up clutch Operating Elements

10 Automatic Transmission 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. Pump Turbine Stator Free wheel Converter hub Stator shaft Turbine shaft Lined plate (lock-up clutch) Piston (lock-up clutch) Converter cover Converter stub axle (located in flywheel) Attached to flywheel Torque Converter Without torsional vibration damper (Tau 4.6L V8)

11 Automatic Transmission 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. Double planetary gear carrier Turbine shaft Stator shaft Ring gear 1 Gear set 1 (single) Shaft key Fixed link with housing Gear set 2 (double) Ring gear 2 Sun gear 2 Sun gear 3 Sun gear 1 Planetary gear carrier Layout of Shift Elements

12 Automatic Transmission 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. H1, H2: Ring gears S1, S2, S3: Sun gears P1, P2, P3: Pinion gears Transmission Layout

13 Automatic Transmission 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. Clutch A Planetary carrier to sun gear of double planetary gear set to impeller in torque converter Sun gear fixed via stator Ring gear Pinion gear Sun gear Key to schematic power flow diagram

14 Automatic Transmission 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. TCMTCM TCMTCM CAN communication Back-up lamp control Shift lock/Ignition key lock control Pressure control solenoid valve (EDS1~6) Switch solenoid valve (MV1) Input speed sensor Output speed sensor Oil temperature sensor TCM temperature sensor Inhibitor switch (position sensor) CAN communication InputOutput Inputs & Outputs Start Relay

15 Automatic Transmission 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 following electronic components are integrated in the E-module. - Turbine sensor (not detachable) - Output speed sensor (not detachable) - Oil temperature sensor (not detachable) - Position sensor (not detachable) - Solenoid valve (clamped) - Pressure control solenoid valves (clamped) E-module Position sensor Electronic module External connection socket

16 Automatic Transmission 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. Speed sensors Input speed sensor : detects the speed of a single planetary carrier Output speed sensor 2. Data for controlling hydraulic pressure, lock-up clutch, shift point 1. Hall IC sensor (Input & Output speed sensors) 4. If fails. exchanges the mechatronic module 3. Failsafe : maximum line pressure, no lock-up, no adaptation, fixed to 3 rd gear

17 Automatic Transmission 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. Position sensor (Inhibitor Switch) Position switch on the E-module PP-RRR-NNN-DD SW SW SW SW * Logical 0 : transistor block, electric high * Logical 1 : transistor pass, electric low 1. Hall-effect elements excited by four code tracks in the form of permanent magnets and then deliver the above code. * Switch combination in each shift range 4. If the sensor fails exchanges the mechatronic module. 2. A parallel coded signal on 4 wires in accordance with the positions P, R, N, D. 3. Integrated in mechatronic module and cannot be inspected separately.

18 Automatic Transmission 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. Temperature sensor Oil Temperature Sensor [Temperature sensor in the E-module] Hydraulic pressure/damper clutch control according to oil temperature Hot temperature mode if the temperature is 120 degrees Celsius The oil temperature sensor cannot be removed from the E-module If it fails the mechatronic module should be replaced

19 Automatic Transmission 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. TCM Temperature Sensor Temperature Sensor 3. If the sensor fails exchanges the mechatronic module. TCM inside E-moduleTCM temperature sensor TCM 1. Detects the TCM temperature 2. If temperature too hot, TCM turns system off to protect itself. (3rd gear fixed in 1st ~ 3rd gear, 5th gear fixed in 4th ~ 6th gear)

20 Automatic Transmission 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. Integrated inside E-module (E-module should not be removed from the mechatronics module) TCM E-module 2. If the TCM fails, system shuts down. (Limp home mode : 3rd gear fixed in 1st ~ 3rd gear, 5th gear fixed in 4th ~ 6th gear) 1. Integrated in mechatronic module and cannot be separated. 3. If the TCM fails exchanges the mechatronic module.

21 Automatic Transmission 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. Solenoid Valve (switch valve) MV1 1. ON/OFF controlled Pressure range : bar Operating voltage : 12 V Resistance at 20°C : 11 Ohm [MV1] 2. Switch valves from one position to the other. (allocates EDS4 to the brake D or clutch E) 4. if defected exchanges the mechatronic module. 3. Limp home mode - open/short to GND : 3 rd or 5 th gear fixed - 3 rd gear fixed in 1 st ~ 3 rd gear - 5 th gear fixed in 4 th ~ 6 th gear

22 Automatic Transmission 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 Control Solenoid Valves Pressure range : bar Operating voltage : 12 V Resistance at 20°C : 5.05 Ohm P I P I Pressure range : bar Operating voltage : 12 V Resistance at 20°C : 5.05 Ohm [EDS1,3,6] [EDS2,4,5] Normally low type ((0 mA = 0 bar, 700 mA = 4.6 bar) Normally high type (700 mA = 0 bar, 0 mA = 4.6 bar) 1. For clutches, brakes, line pressure, lock-up control 2. Limp home mode - EDS1,2,3,4 open/short to GND : 3 rd or 5 th gear fixed - EDS5,6 short to GND : 3 rd or 5 th gear fixed - EDS5 open/short to power : max. line pressure - EDS6 open/short to power : no lock-up control 3. if defected exchanges the mechatronic module.

23 Automatic Transmission 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. Shift lever MV1 EDSClutchBrake ABEL/UCD P R N D1 D2 D3 D4 D5 D6 Pressure Control Solenoid Valves Which gear will it be ? 4 th gear

24 Automatic Transmission 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. Without torsional vibration damper (Tau 4.6L V8) Lock-up Clutch Operation Lock-up is engaged in 3 rd gear to 6 th gear. Applied current to EDS6 is about 300mA ~ 450mA

25 Automatic Transmission 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. TCM Learning After replacement of the mechatronic module. Procedure - Oil temperature : 50 degrees Celsius or more - TPS angle adjustment : 4.6L V8 Gasoline (approx. 15%) - Drive the vehicle up to 5 th gear with over 60kph and stop slowly. - Stop the vehicle 5 seconds and try it again. (10 times)

26 Automatic Transmission 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. ATF Level Adjustment 1. After repair, before the driving test, the oil has to be filled up with the ZF- Lifeguardfluid6 (Shell M1375.4) 2. At idle speed and the oil temperature is between 30~50, fill up the oil until oil drops. Oil filling plug 35 Nm (Tightening torque) Drain plug 8 Nm (Tightening torque)

27 Automatic Transmission 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. Caution 1) Center pins (dowel pins) : if missed, AT can be damaged. Possibility of oil leaking from T/C housing The two A describe the position of the center pins Center pin at an engine case Center pin Lock pin 2) Replacement of mechatronic module - Drain AT fluid and remove the oil pan. - Remove the lock pin and remove the external connection socket. - Remove the mechatronic module.

28 Automatic Transmission 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. Caution 3) Installation of the torque converter : Check if the T/C is installed correctly. distance from T/C housing to torque converter Measurement of the distance with a deep gauge 4) Leakage between engine and transmission : Reasons are, - center bush is missing in crank shaft - center pins between engine and transmission is missing. Oil leaking