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Home >> Toyota >> 2016 >> Prius Two >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid Battery Control System - Service Information (2 Of 3) >> HV BATTERY (for NICKEL METAL HYDRIDE BATTERY) >> Installation [12/2018 - ] >> Procedure

Installation [12/2018 - ]: Procedure

  1. INSPECT NO. 1 HV BATTERY INTAKE FILTER 

    Refer to INSPECTION [11/2017 - ]

  2. INSTALL NO. 1 HYBRID BATTERY INTAKE DUCT 

    See step  2

  3. INSTALL NO. 1 HYBRID BATTERY SHIELD SUB-ASSEMBLY 

    See step  3

  4. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY 

    Refer to PROCEDURE - Step 1

  5. INSTALL HYBRID BATTERY TERMINAL BLOCK 

    Refer to PROCEDURE - Step 1

  6. INSTALL BATTERY VOLTAGE SENSOR 

    Refer to PROCEDURE - Step 1

  7. INSTALL NO. 1 HV BATTERY SHIELD PANEL 

    Refer to PROCEDURE - Step 2

  8. INSTALL UPPER NO. 1 HYBRID BATTERY COVER SUB-ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Install the upper No. 1 hybrid battery cover sub-assembly to the HV battery with the 6 bolts and 5 nuts.

      Torque: 7.5 N.m (76 kgf.cm, 66 in./lbf) 

      GTY578954Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Bolt
      *b Nut
  9. INSTALL HV BATTERY 
    WARNING:

    Wear insulated gloves.

    1. Install the HV battery to the vehicle with the 4 bolts (A) and bolt (B).
      GTY573428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Bolt (A)
      (Bolt Length: 25 mm (0.984 in.))
      *b Bolt (B)
      (Bolt Length: 24 mm (0.945 in.))

      Torque: 19 N.m (194 kgf.cm, 14 ft./lbf) 

      NOTE:
      • Do not allow foreign matter, such as grease or oil, to adhere to the bolts of the HV battery.
      • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.
      • Use cardboard or another similar material to protect the HV battery and vehicle body from damage.
      • Since the HV battery is very heavy, 2 people are needed to install it. When installing the HV battery, be careful not to damage the parts around it.
      • When removing/installing/moving the HV battery, make sure not to tilt it more than 80°.
      • While lowering the HV battery into the vehicle, do not allow it to contact the vehicle.
      • As bolts with 2 different lengths are used, make sure to install each bolt to the correct position.
      • If the HV battery has been struck or dropped, replace it.
  10. CONNECT FLOOR WIRE 
    WARNING:

    Wear insulated gloves.

    1. Connect the battery voltage sensor connector.
    2. Engage the clamp.
  11. INSTALL NO. 1 HYBRID BATTERY EXHAUST DUCT 
    1. Engage the claw to install the No. 1 hybrid battery exhaust duct to the HV battery.
    2. Install the clip.
  12. CONNECT FLOOR WIRE 
    WARNING:

    Wear insulated gloves.

    1. Connect the HV battery junction block assembly connector.
    2. Connect the electric vehicle battery plug assembly connector.
    3. Engage the clamp.
  13. CONNECT HV BATTERY PACK WIRE 
    WARNING:

    Wear insulated gloves.

    1. Connect the shield ground to the HV battery.
    2. Connect the 2 HV battery junction block assembly connectors.
      NOTE:

      Make sure that the connectors are connected securely.

  14. INSTALL NO. 1 HV BATTERY COVER PANEL RH 
    WARNING:

    Wear insulated gloves.

    1. Install the No. 1 HV battery cover panel RH to the HV battery with the 3 bolts and 2 nuts.

      Torque: 7.5 N.m (76 kgf.cm, 66 in./lbf) 

      GTY566404Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Battery Cover Lock Striker
      *a Button
      *b Push
    2. Install the battery cover lock striker, then push the button to lock it.
  15. INSTALL BATTERY COOLING BLOWER ASSEMBLY 

    Refer to PROCEDURE - Step 1

  16. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY 
    1. Install the rear seat cushion leg sub-assembly with the 6 bolts.

      Torque: 16 N.m (163 kgf.cm, 12 ft./lbf) 

  17. INSTALL REAR UNDER COVER 
    1. Engage the 2 guides to install the rear under cover to the rear seat cushion leg sub-assembly.
    2. Engage the 2 clips.
  18. INSTALL REAR UNDER SIDE COVER LH 

    Refer to PROCEDURE - Step 28 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 27 [07/2020 -]

  19. INSTALL REAR DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 43 [12/2018 - 07/2020] , or refer to PROCEDURE - Step 43 [07/2020 -]

  20. INSTALL REAR UNDER SIDE COVER RH 

    HINT: 

    Use the same procedure as for the LH side.

  21. INSTALL REAR DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedure as for the LH side.

  22. INSTALL REAR SEAT CUSHION LOCK HOOK 

    Refer to PROCEDURE - Step 1

  23. INSTALL REAR SEAT CUSHION ASSEMBLY 

    Refer to PROCEDURE - Step 2

  24. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [11/2015 - ]

  25. PERFORM BATTERY STATUS INFO UPDATE 

    Refer to UTILITY [11/2015 - ]