TIGOR EV SERVICE MANUAL

STEERING_MANDO 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 .................................................................................................... 10 2.3.3. INTERMEDIATE SHAFT REMOVAL................................................................................................ 12 2.3.4. ECU REMOVAL................................................................................................................................ 12 2.3.5. MOTOR REMOVAL .......................................................................................................................... 13 2.3.6. RACK & PINION ASSEMBLY REMOVAL ........................................................................................ 14 3. OVERHAULING ........................................................................................................................................ 16 3.1. OVERHAULING OF STEERING RACK & PINION ASSEMBLY......................................................... 16 3.2. PRECAUTIONS ................................................................................................................................... 17 3.3. DISMANTLING, INSPECTION & ASSEMBLY .................................................................................... 17 3.3.1. DISASSEMBLY OF RACK & PINOIN .............................................................................................. 17 3.3.2. INSPECTION OF DISMANTLED PARTS ........................................................................................ 18 3.3.3. ASSEMBLY OF RACK & PINOIN..................................................................................................... 18 3.3.4. OBJ ON VEHICLE REMOVAL ......................................................................................................... 19 3.3.5. DO'S & DON’T'S ............................................................................................................................... 19 3.3.6. WHEEL ALIGNMENT ....................................................................................................................... 23 4. TROUBLESHOOTING AND DIAGNOSIS................................................................................................ 25 5. STEERING ANGLE CALIBRATION PROCESS...................................................................................... 29 6. EPAS ECU REPLACEMENT AND SOFTWARE UPDATE PROCEDURE IN FIELD............................. 36