Содержание
- 2. Kindly attention: 1.The course will take you approx 45 minutes 2.Please linsten carefully,and we will have
- 3. Catalog Components Service standard Trouble-shooting and solutions
- 4. System overview
- 5. Following information display on LCD and cluster: Current gears, Current mode(Auto/Manual) Normal/Economical(Shifting pattern under auto Mode)
- 6. System layout 1ECU 2 Electrohydraulic unit 3TCU 4 Cluster 5Econ/Norm button 6brake switch 7Shift lever 8Accelerator
- 7. System introduction On the basis of the original manual transmission gearbox and clutch to add auxiliary
- 8. Shift lever position with three stable and three unstable position, the position signal was transformed by
- 9. Shift to Neutral during running APP sensor released Vehicle speed requirement System introduction
- 10. Shift to Reverse Brake pedal was depressed Vehicle speed Requirement R System introduction
- 11. Possible following situation may cause when the driver try to move shift lever without depressing the
- 12. Knowledge prepration Three types of operation on transmission are replace by Actuator ( Electrohydraulic mechanism )
- 13. Electrohydraulic Mechanism
- 14. ECU Brake switch -----------? Clutch speed --- --- --- ? Clutch fork position--? Gear selected position?
- 15. Input signal TCU APP sensor Brake switch Mode switch(M/A) Econ/Norm button Shift Up/down(+/-) switch Vehicle speed
- 16. Input signal TCU Gear engage position sensor Gear selection sensor Clutch fork position sensor Friction disc
- 17. Output signal TCU Clutch solenoid valve(EV0) Even gears engage solenoid valve(EV2) 1-2 gears selection solenoid valve(EV3)
- 18. System specification
- 19. System will be woke up in two ways: — Open the driver's side door: The system
- 20. Engine start control Start requirement: Once TCU receives the brake (except Neutral gear) and the start
- 21. Vehicle can start to move on 1st & 2nd gear Starting move Driver release brake pedal
- 22. Shift process under Manual Mode Shift process When vehicle is running and the clutch engaged, driver
- 23. Control intervention under Manual Mode In Manual mode, TCU will control the gears automatically avoid overspeed
- 24. Auto mode Shift lever can switch to automatic mode at any time(If condition is met).Once automatic
- 25. When the driver stepped on the accelerator to fully open, TCU will downshift one or two
- 26. Deceleration TCU will automatically downshift during deceleration and the gears above 2nd gear. For example, in
- 27. System security features
- 28. When the vehicle stopped but the engine working and engage gear (such as 1st , 2nd
- 29. Emergency start during brake switch is broken If the TCU detected brake switch is broken, Ignition
- 30. System control theory APP sensor Brake switch Dash panel Door switch Shift lever Vehicle speed TCU
- 31. Components
- 32. Shift components
- 33. Shift gears Shift pin Selection gear 5-R shift fork 3-4 shift fork
- 34. Hydraulic actuator SQR 513 transmission hydraulic actuator location (Bracket of hydraulic actuator must be remove)
- 35. Power Unit Hydraulic power unit provides power to hydraulic. Motor Accumulator Gear pump Low pressure fluid
- 36. Pump 12V DC。 System pressure: >46 bar stop TCU 30 31
- 37. Tank 150 micrometer filter was fitted in exports of tank. Fluid level standard Relief system pressure
- 38. Accumulator Capacity:250 cm3
- 39. Valve body Valve body has follow functions: Control gear engage and detach。 Control gear selection Control
- 40. Valve body Joint Mounting location
- 41. Clutch actuator
- 42. Clutch actuator assembly 1. Release cable 2. Clutch actuator body 3. Clutch cable position sensor 4.
- 43. Data stream in X431 concerning clutch
- 44. Clutch cable position sensor Function: feedback the clutch cable position signal to TCU
- 45. Gear engage and selection solenoid valves
- 46. Gear engage solenoid valves Even gear engage valve(EV2) Odd gear engage valve(EV1)
- 47. Gear selection valves 1-2 gears selection solenoid valve(EV3) 5-R gears selection solenoid valve(EV4)
- 48. Summary of solenoid valves
- 49. Pressure sensor Function :Monitor system pressure
- 50. Pressure sensor What is special meaning that the range from 36-46 bar? TCU + - Pressure
- 51. Maintenance specification ——AMT system self-learn
- 52. System maintenance services Replace or assemble parts must perform the following functions in whole or in
- 53. Service should be taken after parts replacement
- 54. ——Guide of dismount and assemble Maintenance specification
- 55. Pressure Fluid Abnormal pressure fluid add into system will cause a serious situation and miss the
- 56. Before removing the AMT ASSM, selection shaft must be released. Remove the cover Rotate the selection
- 57. Mount guide First of all, after cleaning and coating sealant, should ensure a good seal interfaces
- 58. Remove cover Select shaft must be adjusted to the self-locking pole position, then press it down,
- 59. Fault code
- 60. Fault code
- 61. Trouble-shooting and solutions
- 62. Problem I: The vehicle shivers noticeably upon releasing the accelerator pedal at the first, second or
- 63. Problem II: The transmission failure lamp is lit during movement, and the failure code P0715 (friction
- 64. Problem III: Friction disc revolution sensor failure; the gear is locked at the first/second gear, allowing
- 65. 4. Clutch position sensor failure (in this case, P1810 and P0715 will be indicated at the
- 66. Problem IV: Oil leakage in the oil pot Causes: 1. The vent on the pot cover
- 67. Problem V: There is trip stop or failure of gear engagement in the vehicle, and the
- 68. Problem VI: One of direct gears is always missing in the operation, for example, the transmission
- 69. Problem VII 1. No depression of the accelerator pedal is required in the engagement of the
- 70. Problem VIII: After the transmission is shifted to the first gear and the vehicle is stopped,
- 71. Thank you very much!
- 72. Pratice Check resistence of each solenoid valve。 Remove gear selection/gear engage sensor/ clutch sensor and how
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