4 Wheel Drive(JTEKT)


The Presentation inside:

Slide 0

4 Wheel Drive (JTEKT) 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.


Slide 1

Specification ITCC Rear Differential * ITCC: Intelligent Torque Controlled Coupling


Slide 2

Transfer case


Slide 3

Comparison * ITCC: Intelligent Torque Controlled Coupling **MPS: Motor Position Sensor


Slide 4

Power flow Engine ?Throttle Position ECM Sensor ?4 Wheel speed ?Brake signal


Slide 5

EMC operation Electro-magnetic Coil Shaft Main Clutch Rear H/G Front H/G ECU Zero current Main Clutch Shaft (Rear Wheels) Pilot Clutch Armature Electro magnetic Coil Main Cam Pilot Cam Current flows Output Torque Magnetic Flux Input Pilot Cam Main Cam ECU


Slide 6

Inputs & Outputs 4WD Control Module (ITCC CM) Battery & Ignition Power Wheel Speed Sensor Signal, TPS (APS), Engine speed, Engine torque, ABS/ESC Active signal, Brake Signal 4WD Lock Switch EMC (Electromagnetic Clutch) Inputs Outputs Cluster ESC ECM 4WD Lock mode lamp 4WD Warning Lamp Diagnosis


Slide 7

4WD Lock Mode [4WD Lock Switch] [4WD Lock Switch Lamp] [4WD failure Lamp]


Slide 8

[ITCC] [Control Module] – located in driver side (LH) dash panel Components [Wheel speed sensor]


Slide 9

DTC list


Slide 10

DTC list Hide this slide while presentation !


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