Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001N36N
Model Year Start: 2021 Model: Corolla Prod Date Range: [04/2020 - 09/2022]
Title: HYBRID / BATTERY CONTROL: FUSE BOX (for LITHIUM-ION BATTERY): INSTALLATION; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]

INSTALLATION

PROCEDURE

1. INSTALL HYBRID BATTERY TERMINAL BLOCK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Engage the claw to install the hybrid battery terminal block to the HV battery.

(b) Connect the hybrid battery terminal block connector.

NOTICE:

Make sure that the connector is connected securely.

2. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY WITH NO. 2 HYBRID BATTERY SHIELD SUB-ASSEMBLY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Install the HV battery junction block assembly and No. 2 hybrid battery shield sub-assembly to the HV battery with the 2 nuts.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

NOTICE:

If the HV battery junction block assembly has been struck or dropped, replace it with a new one.

*a

10 mm Union Nut Wrench Fulcrum Length

*b

Torque Wrench Fulcrum Length

(b) Using a 10 mm union nut wrench, install the bolt.

Torque:

Specified tightening torque :

7.5 N·m {76 kgf·cm, 66 in·lbf}

HINT:

  • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

    Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

  • When using a 10 mm union nut wrench (fulcrum length of 22 mm (0.866 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):

    6.6 N*m (67 kgf*cm, 58 in.*lbf)

(c) Connect the 2 HV battery junction block assembly connectors.

NOTICE:

Make sure that the connectors are connected securely.

(d) Connect the hybrid battery terminal block connector.

NOTICE:

Make sure that the connector is connected securely.

(e) Connect the HV battery junction block assembly connector.

NOTICE:

Make sure that the connector is connected securely.

(f) Engage the 2 claws to close the wiring harness protector.

3. INSTALL UPPER NO. 1 HYBRID BATTERY COVER SUB-ASSEMBLY

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: BATTERY ECU (for LITHIUM-ION BATTERY): INSTALLATION+

4. INSTALL NO. 4 HV BATTERY PROTECTOR

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HV BATTERY (for LITHIUM-ION BATTERY): INSTALLATION+

5. CONNECT FLOOR WIRE

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HV BATTERY (for LITHIUM-ION BATTERY): INSTALLATION+

6. CONNECT FLOOR UNDER WIRE

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HV BATTERY (for LITHIUM-ION BATTERY): INSTALLATION+

7. INSTALL NO. 1 HV BATTERY COVER PANEL RH

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HV BATTERY (for LITHIUM-ION BATTERY): INSTALLATION+

8. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HV BATTERY (for LITHIUM-ION BATTERY): INSTALLATION+

9. INSTALL REAR UNDER COVER

Click here 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; HYBRID / BATTERY CONTROL: HV BATTERY (for LITHIUM-ION BATTERY): INSTALLATION+

10. INSTALL REAR UNDER SIDE COVER LH

Click here 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): INSTALLATION+

11. INSTALL REAR DOOR SCUFF PLATE LH

Click here 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; INTERIOR PANELS / TRIM: ROOF HEADLINING (for Sedan): INSTALLATION+

12. INSTALL REAR UNDER SIDE COVER RH

HINT:

Use the same procedure as for the LH side.

13. INSTALL REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

14. INSTALL REAR SEAT CUSHION LOCK HOOK

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; SEAT: REAR SEAT ASSEMBLY: INSTALLATION+

15. INSTALL REAR SEAT CUSHION ASSEMBLY

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; SEAT: REAR SEAT ASSEMBLY: INSTALLATION+

16. CONNECT REAR SEAT CENTER LAP TYPE BELT ASSEMBLY

Click here 2020 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 -        ]; SEAT: REAR SEAT ASSEMBLY: INSTALLATION+

17. INSTALL SERVICE PLUG GRIP

Click here 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; HYBRID / BATTERY CONTROL: SERVICE PLUG GRIP: INSTALLATION

18. PERFORM INITIALIZATION

Click here 2021 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [04/2020 - 09/2022]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION