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Junction Block ASSY: Replacement

NOTE:
  • When working on the high voltage systems, always wear insulating gloves. 
  • After removing the service plug grip, do not operate the power switch as it may damage the hybrid vehicle control ECU. 
  • Keep the removed service plug in your pocket to prevent other technicians from reconnecting it while you are servicing the vehicle. 
  • After removing the service plug grip, do not touch the high voltage connectors and terminals for 5 minutes. 
  1. PRECAUTION (SEE  PRECAUTION   ) 
  2. REMOVE REAR FLOOR BOARD NO.2 (See  SERVICE PLUG GRIP   ) 
  3. REMOVE DECK FLOOR BOX REAR (See  SERVICE PLUG GRIP   ) 
  4. REMOVE REAR FLOOR BOARD NO.3 (See  SERVICE PLUG GRIP   ) 
  5. DISCONNECT BATTERY NEGATIVE TERMINAL (See  SERVICE PLUG GRIP   ) 
  6. REMOVE SERVICE PLUG GRIP (See  SERVICE PLUG GRIP   ) 
  7. REMOVE DECK TRIM COVER REAR (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  8. REMOVE TONNEAU COVER ASSY (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  9. REMOVE REAR SEAT CUSHION ASSY (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  10. REMOVE REAR FLOOR BOARD NO.1 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  11. REMOVE REAR SIDE SEAT BACK FRAME LH (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  12. REMOVE REAR SIDE SEAT BACK FRAME RH (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  13. REMOVE REAR FLOOR BOARD NO.4 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  14. REMOVE DECK FLOOR BOX LH (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  15. REMOVE DECK TRIM SIDE PANEL ASSY LH (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  16. REMOVE DECK TRIM SIDE PANEL ASSY RH (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  17. REMOVE BATTERY CARRIER BRACKET (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  18. REMOVE QUARTER VENT DUCT INNER NO.2 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  19. REMOVE BATTERY BRACKET REINFORCEMENT (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  20. REMOVE QUARTER VENT DUCT (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  21. REMOVE BATTERY CARRIER PANEL NO.6 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  22. REMOVE JUNCTION TERMINAL (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
    NOTE: Wear insulating gloves. 
  23. REMOVE FRAME WIRE (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
    NOTE: Wear insulating gloves. 
  24. REMOVE HV BATTERY ASSY (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  25. REMOVE BATTERY COVER SUB-ASSY (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  26. REMOVE WIRING HARNESS PROTECTOR COVER NO.2 
    NOTE: Wear insulating gloves. 
    Fig 1: Removing Wiring Harness Protector Cover
    G02617309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE WIRING HARNESS PROTECTOR COVER NO.4 
    NOTE: Wear insulating gloves. 
  28. REMOVE JUNCTION BLOCK ASSY 
    NOTE: Wear insulating gloves. 
    1. Remove the 26 nuts and junction block assembly.
      Fig 2: Removing Nuts And Junction Block Assembly
      G02617310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. INSTALL JUNCTION BLOCK ASSY 
    NOTE: Wear insulating gloves. 
    1. Install the junction block assembly with 26 new nuts.

      Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf) 

      Fig 3: Installing Junction Block Assembly With Nuts
      G02617311Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. INSTALL WIRING HARNESS PROTECTOR COVER NO.2 
    NOTE: Wear insulating gloves. 
    Fig 4: Installing Wiring Harness Protector Cover
    G02617312Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. INSTALL WIRING HARNESS PROTECTOR COVER NO.4 
    NOTE: Wear insulating gloves. 
  32. INSTALL BATTERY COVER SUB-ASSY (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  33. INSTALL HV BATTERY ASSY (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  34. INSTALL FRAME WIRE (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
    NOTE: Wear insulating gloves. 
  35. INSTALL JUNCTION TERMINAL (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
    NOTE: Wear insulating gloves. 
  36. INSTALL BATTERY CARRIER PANEL NO.6 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  37. INSTALL QUARTER VENT DUCT (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  38. INSTALL BATTERY BRACKET REINFORCEMENT (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  39. INSTALL QUARTER VENT DUCT INNER NO.2 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  40. INSTALL BATTERY CARRIER BRACKET (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY   ) 
  41. INSTALL DECK TRIM SIDE PANEL ASSY RH 
  42. INSTALL DECK TRIM SIDE PANEL ASSY LH 
  43. INSTALL DECK FLOOR BOX LH 
  44. INSTALL REAR FLOOR BOARD NO.4 
  45. INSTALL REAR SIDE SEAT BACK FRAME RH 
  46. INSTALL REAR SIDE SEAT BACK FRAME LH 
  47. INSTALL REAR FLOOR BOARD NO.1 
  48. INSTALL REAR SEAT CUSHION ASSY 
  49. INSTALL TONNEAU COVER ASSY 
  50. INSTALL DECK TRIM COVER REAR 
  51. INSTALL SERVICE PLUG GRIP (See  SERVICE PLUG GRIP   ) 
    NOTE: Wear insulating gloves. 
  52. CONNECT BATTERY NEGATIVE TERMINAL 

    Torque: 6.0 N.m (61 kgf.cm, 53 in.lbf) 

  53. INSTALL REAR FLOOR BOARD NO.3 
  54. INSTALL DECK FLOOR BOX REAR 
  55. INSTALL REAR FLOOR BOARD NO.2 
  56. POWER WINDOW CONTROL SYSTEM INITIALIZE (SEE  INITIALIZATION  ) 
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