STEERING CONTENTS 8.1 GENERAL INFORMATION.....................................................................................................................1 8.1.1 SPECIFICATIONS...............................................................................................................................1. 8.1.2 SYSTEM LAYOUT...............................................................................................................................1. 8.1.3 GENERAL DISCRIPTION....................................................................................................................2. 8.1.4 TIGHTENING TORQUES.....................................................................................................................3. 8.1.5 SPECIAL TOOLS.................................................................................................................................5. 8.2 MAINTENANCE, INSPECTION AND TEST...........................................................................................6 8.2.1 PRELIMINARY INSPECTION...............................................................................................................6 8.2.2 REGULAR MAINTENANCE..................................................................................................................7 8.2.3 ON VEHICLE REPAIRS........................................................................................................................8 8.2.3.1 STEERING WHEEL REMOVAL............................................................................................................8 8.2.3.2 STEERING COLUMN REMOVAL.........................................................................................................9 8.2.3.3 INTERMEDIATE SHAFT REMOVAL. ................................................................................................10 8.2.3.4 ECU REMOVAL..................................................................................................................................11 8.2.3.5 RACK & PINION ASSEMBLY REMOVAL...........................................................................................12 8.3 OVERHAULING....................................................................................................................................14 8.3.1 OVERHAULING OF STEERING RACK & PINION ASSEMBLY.........................................................14 8.3.2 PRECAUTIONS..................................................................................................................................15 8.3.3 DISMANTLING, INSPECTION & ASSEMBLY....................................................................................15 8.3.3.1 DISASSEMBLY OF RACK & PINOIN.................................................................................................15 8.3.3.2 INSPECTION OF DISMANTLED PARTS...........................................................................................16 8.3.3.3 ASSEMBLY OF RACK & PINOIN.......................................................................................................16 8.3.3.4 OBJ ON VEHICLE REMOVAL............................................................................................................17 8.3.3.5 DO'S & DON’T'S..................................................................................................................................17 8.3.3.6 WHEEL ALIGNMENT..........................................................................................................................18 8.4 TROUBLESHOOTING AND DIAGNOSIS............................................................................................20 A. GENERAL TROUBLESHOOTING......................................................................................................20 B. ELECTRICAL TROUBLESHOOTING.................................................................................................22 C. MECHANICAL TROUBLESHOOTING................................................................................................23 8.5 STEERING ANGLE CALIBRATION AND INITIALIZATION PROCESS.............................................24 8.6 STEERING SYSTEM DTC CODES......................................................................................................27 8.7 EPAS ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE…………...........................29
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