Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GCQN |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 09/2022] |
Title: HYBRID / BATTERY CONTROL: FUSE BOX (for NICKEL METAL HYDRIDE BATTERY): REMOVAL; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during hybrid battery terminal block removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Auxiliary battery terminal is disconnected/reconnected
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Perform steering sensor zero point calibration
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Lane Control System
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Pre-collision System
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Replacement of hybrid battery terminal block
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High voltage fuse accumulated load history reset
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DTCs are stored
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NOTICE:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
PROCEDURE
1. PRECAUTION
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2. REMOVE SERVICE PLUG GRIP
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3. DISCONNECT ENGINE WIRE
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4. REMOVE CONNECTOR COVER ASSEMBLY
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5. CHECK TERMINAL VOLTAGE
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6. INSTALL CONNECTOR COVER ASSEMBLY
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7. CONNECT ENGINE WIRE
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8. DISCONNECT REAR SEAT CENTER LAP TYPE BELT ASSEMBLY
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9. REMOVE REAR SEAT CUSHION ASSEMBLY
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10. REMOVE REAR SEAT CUSHION LOCK HOOK
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11. REMOVE REAR DOOR SCUFF PLATE LH
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12. REMOVE REAR UNDER SIDE COVER LH
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13. REMOVE REAR DOOR SCUFF PLATE RH
HINT:
Use the same procedure as for the LH side.
14. REMOVE REAR UNDER SIDE COVER RH
HINT:
Use the same procedure as for the LH side.
15. REMOVE REAR UNDER COVER
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16. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY
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17. REMOVE BATTERY COOLING BLOWER ASSEMBLY
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18. REMOVE NO. 1 HV BATTERY COVER PANEL RH
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19. DISCONNECT FLOOR UNDER WIRE
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20. DISCONNECT FLOOR WIRE
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21. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT
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22. DISCONNECT FLOOR WIRE
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23. REMOVE UPPER NO. 1 HYBRID BATTERY COVER SUB-ASSEMBLY
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24. REMOVE NO. 1 HV BATTERY SHIELD PANEL
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25. REMOVE HYBRID BATTERY TERMINAL BLOCK
CAUTION:
Be sure to wear insulated gloves and protective goggles.
(b) Disconnect the 2 hybrid battery terminal block connectors to remove the hybrid battery terminal block from the HV battery.
NOTICE:
Insulate the disconnected high-voltage connectors with insulating tape.
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