HYBRID / BATTERY CONTROL: BATTERY VOLTAGE SENSOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION; 2020 - 2022 MY Corolla Corolla HV [01/2019

Last Modified: 07-31-2024	6.11:8.1.0	Doc ID: RM100000001GCPP
Model Year Start: 2020	Model: Corolla	Prod Date Range: [01/2019 - 09/2022]
Title: HYBRID / BATTERY CONTROL: BATTERY VOLTAGE SENSOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]

INSTALLATION

PROCEDURE

1. INSTALL BATTERY VOLTAGE SENSOR

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Install the battery voltage sensor to the HV battery with the bolt.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

NOTICE:

Check color of the label.
If the battery voltage sensor has been struck or dropped, replace it.
Make sure to align the hole of the battery voltage sensor with the pin.

*a	Black Label
*b	Pin

(b) Connect the battery voltage sensor connector.

NOTICE:

Make sure that the connector is connected securely.

2. INSTALL NO. 1 HV BATTERY SHIELD PANEL

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Pull back the No. 2 hybrid battery shield sub-assembly to install the No. 1 HV battery shield panel to the HV battery.

HINT:

Pull back the No. 2 hybrid battery shield sub-assembly until there is sufficient clearance for the 2 stud bolts of the No. 1 HV battery shield panel.

(b) Install the bolt and 2 nuts.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

(d) Engage the clamp.

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

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) 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}

(b) Move the HV battery to the installation position.

Torque:

19 N·m {194 kgf·cm, 14 ft·lbf}

NOTICE:

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.
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.

Bolt (A)

(Bolt Length: 25 mm (0.984 in.))

Bolt (B)

(Bolt Length: 24 mm (0.945 in.))

4. CONNECT FLOOR WIRE

Click here

5. INSTALL NO. 1 HYBRID BATTERY EXHAUST DUCT

Click here

6. CONNECT FLOOR WIRE

Click here

7. CONNECT FLOOR UNDER WIRE

Click here

8. INSTALL NO. 1 HV BATTERY COVER PANEL RH

Click here

9. INSTALL BATTERY COOLING BLOWER ASSEMBLY

Click here

10. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY

Click here

11. INSTALL REAR UNDER COVER

Click here

12. INSTALL REAR UNDER SIDE COVER LH

Click here

13. INSTALL REAR DOOR SCUFF PLATE LH

Click here

14. INSTALL REAR UNDER SIDE COVER RH

HINT:

Use the same procedure as for the LH side.

15. INSTALL REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

16. INSTALL REAR SEAT CUSHION LOCK HOOK

Click here

17. INSTALL REAR SEAT CUSHION ASSEMBLY

Click here

18. CONNECT REAR SEAT CENTER LAP TYPE BELT ASSEMBLY

Click here

19. INSTALL SERVICE PLUG GRIP

Click here