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Home >> Toyota >> 2006 >> Prius >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Battery Management Systems >> P112 Hybrid Battery Control System >> Junction Block >> Removal

Junction Block: Removal

CAUTION:
  • When working on the high voltage systems, always wear insulating gloves.
  • 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.
NOTE: After removing the service plug grip, do not operate the power switch as it may damage the hybrid vehicle control ECU.
  1. PRECAUTION 
    CAUTION: The hybrid system uses high voltage circuits, so improper handling could cause an electric shock or leakage. During service (including installation/ removal, inspection and replacement of parts), be sure to follow the procedures (see PRECAUTION  ).
  2. REMOVE REAR NO. 2 FLOOR BOARD (See  REMOVAL  ) 
  3. REMOVE REAR DECK FLOOR BOX (See  REMOVAL  ) 
  4. REMOVE REAR NO. 3 FLOOR BOARD (See  REMOVAL  ) 
  5. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  6. REMOVE SERVICE PLUG GRIP (See  REMOVAL   ) 
  7. REMOVE HV BATTERY ASSEMBLY 
    1. Remove the HV battery from the vehicle (see REMOVAL  ).
  8. REMOVE BATTERY COVER (See  DISASSEMBLY   ) 
  9. REMOVE NO. 2 WIRE HARNESS PROTECTOR COVER 
    CAUTION: Wear insulating gloves.
  10. REMOVE NO. 4 WIRE HARNESS PROTECTOR COVER 
    CAUTION: Wear insulating gloves.
    Fig 1: Removing Wire Harness Protector Cover
    G04473957Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE JUNCTION BLOCK 
    CAUTION: Wear insulating gloves.
    1. Remove the 26 nuts and junction block.
      Fig 2: Removing Junction Block
      G04473958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002