Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001B3ST
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2020]
Title: HYBRID / BATTERY CONTROL: HV RELAY ASSEMBLY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION; 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]

INSTALLATION

PROCEDURE

1. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Install the HV battery junction block assembly to the HV battery with the 4 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.

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

NOTICE:

Make sure that the connectors are connected securely.

(c) Engage the 2 claws to install the wiring harness protector.

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

NOTICE:

Make sure that the connectors are connected securely.

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

(f) Engage the clamp.

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

NOTICE:

Make sure that the connectors are connected securely.

(h) Connect the electric vehicle battery plug assembly with the bolt.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

2. INSTALL UPPER HV BATTERY COVER SUB-ASSEMBLY

Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: BATTERY VOLTAGE SENSOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+

3. INSTALL NO. 1 HYBRID BATTERY EXHAUST DUCT

Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+

4. CONNECT FLOOR WIRE

CAUTION:

Be sure to wear insulated gloves.

(a) Engage the 2 clamps to connect the floor wire.

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

(c) Connect the electric vehicle battery plug assembly connector.

(d) Engage the clamp.

5. CONNECT HV FLOOR UNDER WIRE

Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+

6. INSTALL NO. 1 HV BATTERY COVER PANEL RH

Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+

7. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: INSTALLATION+

8. INSTALL REAR UNDER COVER

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: INSTALLATION+

9. INSTALL REAR UNDER SIDE COVER LH

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: INSTALLATION+

10. INSTALL REAR DOOR SCUFF PLATE LH

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTERIOR PANELS / TRIM: ROOF HEADLINING: INSTALLATION+

11. INSTALL REAR UNDER SIDE COVER RH

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: INSTALLATION+

12. INSTALL REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

13. INSTALL NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: ELECTRICAL KEY OSCILLATOR (for Rear Floor): INSTALLATION

14. INSTALL SERVICE PLUG GRIP

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: SERVICE PLUG GRIP: INSTALLATION