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Home >> Toyota >> 2018 >> Prius Two >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid Battery Control System - Service Information (3 Of 3) >> FUSE BOX (for NICKEL METAL HYDRIDE BATTERY) >> Removal [07/2020 - ] >> Procedure

Removal [07/2020 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

    Refer to PRECAUTION [08/2019 - ]

  2. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [07/2020 - ] 

  3. REMOVE WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to REMOVAL [11/2015 - ]

  4. REMOVE NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL 

    Refer to PROCEDURE - Step 3

  5. REMOVE WATER GUARD PLATE LH 

    Refer to PROCEDURE - Step 4

  6. REMOVE COWL BODY MOUNTING REINFORCEMENT LH 

    Refer to PROCEDURE - Step 5

  7. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 6

  8. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 13

  9. DISCONNECT ENGINE WIRE 

    See step  9

  10. REMOVE CONNECTOR COVER ASSEMBLY 

    Refer to PROCEDURE - Step 16

  11. CHECK TERMINAL VOLTAGE 

    Refer to PROCEDURE - Step 17

  12. INSTALL CONNECTOR COVER ASSEMBLY 

    Refer to PROCEDURE - Step 12

  13. CONNECT ENGINE WIRE 

    See step  32

  14. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 72

  15. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 16

  16. INSTALL COWL BODY MOUNTING REINFORCEMENT LH 

    Refer to PROCEDURE - Step 17

  17. INSTALL WATER GUARD PLATE LH 

    Refer to PROCEDURE - Step 18

  18. INSTALL NO. 1 HEATER AIR DUCT SPLASH SHIELD SEAL 

    Refer to PROCEDURE - Step 19

  19. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY 

    Refer to INSTALLATION [11/2015 - ]

  20. REMOVE REAR SEAT CUSHION ASSEMBLY 

    Refer to PROCEDURE - Step 7

  21. REMOVE REAR SEAT CUSHION LOCK HOOK 

    Refer to PROCEDURE - Step 8

  22. REMOVE REAR DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 23

  23. REMOVE REAR UNDER SIDE COVER LH 

    Refer to PROCEDURE - Step 40

  24. REMOVE REAR DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedure as for the LH side.

  25. REMOVE REAR UNDER SIDE COVER RH 

    HINT: 

    Use the same procedure as for the LH side.

  26. REMOVE REAR UNDER COVER 

    Refer to PROCEDURE - Step 26

  27. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 27

  28. REMOVE BATTERY COOLING BLOWER ASSEMBLY 

    See step  9

  29. REMOVE NO. 1 HV BATTERY COVER PANEL RH 

    Refer to PROCEDURE - Step 29

  30. DISCONNECT HV BATTERY PACK WIRE 

    Refer to PROCEDURE - Step 30

  31. DISCONNECT FLOOR WIRE 

    Refer to PROCEDURE - Step 31

  32. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT 

    Refer to PROCEDURE - Step 32

  33. DISCONNECT FLOOR WIRE 

    Refer to PROCEDURE - Step 31

  34. REMOVE UPPER NO. 1 HYBRID BATTERY COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 34

  35. REMOVE NO. 1 HV BATTERY SHIELD PANEL 

    Refer to PROCEDURE - Step 35

  36. REMOVE HYBRID BATTERY TERMINAL BLOCK 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Remove the bolt.
      GTY563774Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 2 hybrid battery terminal block connectors to remove the hybrid battery terminal block from the HV battery.
      GTY552015Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Insulate the disconnected high-voltage connectors with insulating tape.