STEERING
TABLE OF CONTENTS
1.
GENERAL INFORMATION..................................................................................................................... 1
1.1. SPECIFICATIONS ................................................................................................................................. 1
1.2. SYSTEM LAYOUT................................................................................................................................. 1
1.3. GENERAL DISCRIPTION...................................................................................................................... 2
1.4. TIGHTENING TORQUES ...................................................................................................................... 3
1.5. SPECIAL TOOLS................................................................................................................................... 5
2.
MAINTENANCE, INSPECTION AND TEST ........................................................................................... 6
2.1. PRELIMINARY INSPECTION................................................................................................................ 6
2.2. REGULAR MAINTENANCE .................................................................................................................. 7
2.3. ON VEHICLE REPAIRS ........................................................................................................................ 8
2.3.1. STEERING WHEEL REMOVAL ................................................................................................... 8
2.3.2. STEERING COLUMN REMOVAL ................................................................................................ 9
2.3.3. INTERMEDIATE SHAFT REMOVAL ......................................................................................... 11
2.3.4. ECU REMOVAL.......................................................................................................................... 11
2.3.5. RACK & PINION ASSEMBLY REMOVAL.................................................................................. 13
3.
OVERHAULING .................................................................................................................................... 15
3.1. OVERHAULING OF STEERING RACK & PINION ASSEMBLY......................................................... 15
3.2. PRECAUTIONS ................................................................................................................................... 16
3.3. DISMANTLING, INSPECTION & ASSEMBLY .................................................................................... 16
3.3.1. DISASSEMBLY OF RACK & PINOIN ........................................................................................ 16
3.3.2. INSPECTION OF DISMANTLED PARTS .................................................................................. 17
3.3.3. ASSEMBLY OF RACK & PINOIN .............................................................................................. 17
3.3.4. OBJ ON VEHICLE REMOVAL ................................................................................................... 18
3.3.5. DO'S & DON’T'S......................................................................................................................... 18
3.3.6. WHEEL ALIGNMENT ................................................................................................................. 19
4.
TROUBLESHOOTING AND DIAGNOSIS ............................................................................................ 22
5.
STEERING ANGLE CALIBRATION AND INITIALIZATION PROCESS ............................................. 26
6.
EPAS ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE IN FIELD ......................... 28




