TABLE OF CONTENTS 1. GENERAL INFORMATION ........................................................................................................................1 A. SPECIFICATIONS ................................................................................................................................1 B. SYSTEM LAYOUT................................................................................................................................1 C. GENERAL DESCRIPTION...................................................................................................................2 D. EPAS SYSTEM FLOW DIAGRAM.......................................................................................................2 E. EPAS SYSTEM BLOCK DIAGRAM......................................................................................................2 F. TIGHTENING TORQUES.....................................................................................................................3 G. SPECIAL TOOLS..................................................................................................................................5 2. MAINTENANCE, INSPECTION AND TEST...............................................................................................6 A. PRELIMINARY INSPECTION..............................................................................................................6 B. REGULAR MAINTENANCE.................................................................................................................7 C. ON VEHICLE REPAIRS.......................................................................................................................9 STEERING WHEEL REMOVAL.....................................................................................................9 I. STEERING COLUMN REMOVAL................................................................................................10 II. INTERMEADIATE SHAFT REMOVAL.........................................................................................14 III. ECU REMOVAL...........................................................................................................................15 IV. V. MOTOR REMOVAL......................................................................................................................16 VI. RACK & PINION ASSEMBLY REMOVAL....................................................................................16 3. OVERHAULING........................................................................................................................................19 A. OVERHAULING OF STEERING RACK AND PINION ASSEMBLY ...................................................19 B. PRECAUTIONS..................................................................................................................................20 C. DISMANTLING, INSPECTION & ASSEMBLY....................................................................................20 DISASSEMBLY OF RACK & PINON...........................................................................................20 I. INSPECTION OF DISMANTLED PARTS....................................................................................21 II. ASSEMBLY OF RACK & PINON.................................................................................................21 III. OBJ ON-VEHICLE REMOVAL....................................................................................................23 IV. V. DO’S & DON’TS...........................................................................................................................23 VI. WHEEL ALIGNMENT ..................................................................................................................25 4. TROUBLESHOOTING AND DIAGNOSIS................................................................................................28 5. STEERING ANGLE CALIBRATION.........................................................................................................33 6. TUNING DATA SELECTION ....................................................................................................................41 7. EPAS ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE IN FIELD..............................42 STEERING_MANDO
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