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Home >> Toyota >> 2014 >> Prius C One >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid Battery Control System (Service Information) >> Battery Smart Unit >> Removal [12/2013 - ] >> Removal [12/2013 - ]

Removal [12/2013 - ]

  1. PRECAUTION 

    Refer to PRECAUTION [12/2013 - ]

  2. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [12/2013 - ] 

  3. REMOVE REAR SEAT CUSHION ASSEMBLY  . Refer to REMOVAL [12/2013 - ] - Step 8
  4. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY 
    1. Remove the 4 bolts and rear seat cushion leg sub-assembly.
      Fig 1: 4 Bolts And Rear Seat Cushion Leg Sub-Assembly
      GTY334690Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE INVERTER TERMINAL COVER  See step  5
  6. REMOVE INVERTER COVER  See step  6
  7. CHECK TERMINAL VOLTAGE  See step  7
  8. INSTALL INVERTER COVER  See step  12
  9. INSTALL INVERTER TERMINAL COVER  See step  13
  10. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT 
    1. Remove the clip and No. 1 hybrid exhaust duct.
      Fig 2: Clip And No. 1 Hybrid Exhaust Duct
      GTY334619Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE WIRE HARNESS 
    1. Disconnect the 2 connectors and clamp.
      Fig 3: 2 Connectors And Clamp
      GTY334691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. REMOVE HYBRID BATTERY SERVICE PLUG COVER 
    1. Remove the 2 nuts and hybrid battery service plug cover.
      Fig 4: 2 Nuts And Hybrid Battery Service Plug Cover
      GTY325955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. REMOVE NO. 1 HYBRID BATTERY SHIELD SUB-ASSEMBLY 
    WARNING:

    Wear insulated gloves.

    1. Remove the bolt and electric vehicle battery plug as shown in the illustration.
      Fig 5: Bolt And Electric Vehicle Battery Plug
      GTY334744Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts, 2 nuts and No. 1 hybrid shield sub-assembly.
      Fig 6: 2 Bolts, 2 Nuts And No. 1 Hybrid Shield Sub-Assembly
      GTY334741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE NO. 2 HYBRID VEHICLE BATTERY CARRIER BRACKET SUB-ASSEMBLY 
    WARNING:

    Wear insulated gloves.

    1. Disconnect the connector.
      Fig 7: Connector, Bolt And 2 Nuts
      GTY334660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt and 2 nuts.
    3. Disconnect the 3 clamps and remove the No. 2 hybrid vehicle battery carrier bracket sub-assembly.
      Fig 8: 3 clamps and No. 2 hybrid vehicle battery carrier bracket sub-assembly
      GTY334661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE BATTERY SMART UNIT 
    WARNING:

    Wear insulated gloves.

    1. Disengage the 2 claws to remove the wiring harness protector cover from the battery smart unit connector.
      Fig 9: 2 Claws
      GTY432007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the battery smart unit connector.
      Fig 10: Battery Smart Unit Connector
      GTY428628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Insulate the removed terminals with insulating tape.

    3. Remove the wiring harness protector from the battery smart unit connector.
      Fig 11: Wiring Harness Protector
      GTY428629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the bolt and battery smart unit from the HV battery.
      Fig 12: Bolt And Battery Smart Unit From The HV Battery
      GTY431950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002