STEERING_MANDO CONTENTS 1. GENERAL INFORMATION ........................................................................................................................ 1 A. SPECIFICATIONS ................................................................................................................................. 1 B. SYSTEM LAYOUT................................................................................................................................. 1 C. GENERAL DISCRIPTION ..................................................................................................................... 2 D. BLOCK DIAGRAM OF EPAS SYSTEM ................................................................................................ 2 E. BLOCK DIAGRAM OF C-EPS SYSTEM ............................................................................................... 2 2. TIGHTENING TORQUES............................................................................................................................ 3 3. SPECIAL TOOLS........................................................................................................................................ 5 4. MAINTENANCE, INSPECTION AND TEST............................................................................................... 6 A. PRELIMINARY INSPECTION................................................................................................................ 6 B. REGULAR MAINTENANCE .................................................................................................................. 7 5. ON VEHICLE REPAIRS S .......................................................................................................................... 9 A. STEERING WHEEL REMOVAL ............................................................................................................ 9 B. STEERING COLUMN REMOVAL ....................................................................................................... 10 C INTERMEDIATE SHAFT REMOVAL ................................................................................................... 13 D. ECU REMOVAL................................................................................................................................... 13 E. MOTOR REMOVAL ............................................................................................................................. 14 F. RACK & PINION ASSEMBLY REMOVAL ........................................................................................... 15 6. OVERHAULING ........................................................................................................................................ 17 A. OVERHAULING OF STEERING RACK & PINION ASSEMBLY......................................................... 17 B. PRECAUTIONS ................................................................................................................................... 18 C. DISMANTLING, INSPECTION & ASSEMBLY .................................................................................... 18 1. DISASSEMBLY OF RACK & PINOIN .............................................................................................. 18 2. INSPECTION OF DISMANTLED PARTS ........................................................................................ 19 3. ASSEMBLY OF RACK & PINOIN..................................................................................................... 19 4. PROCEDURE FOR ADJUSTING FREE PLAY/NOISE.................................................................... 20 5. OBJ ON VEHICLE REMOVAL ......................................................................................................... 21 6. DO'S & DON’T'S ............................................................................................................................... 21 7. WHEEL ALIGNMENT ....................................................................................................................... 24 7. TROUBLESHOOTING AND DIAGNOSIS................................................................................................ 26 A. GENERAL TROUBLESHOOTING ...................................................................................................... 26 B. ELECTRICAL TROUBLESHOOTING ................................................................................................. 28 C. MECHANICAL TROUBLESHOOTING................................................................................................ 29 8. STEERING ANGLE CALIBRATION......................................................................................................... 30 9 TUNING DATA SELECTION .................................................................................................................... 35 10. EPAS ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE IN FIELD ............................. 36
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