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                        | Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001B3S7 |  
                        | Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2020] |  
                        | Title: HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION; 2019 - 2020 MY Avalon HV [04/2018 - 08/2020] |  INSTALLATIONPROCEDURE1. INSTALL NO. 1 HV BATTERY INTAKE DUCT LH Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+](/t3Portal/stylegraphics/info.gif)  2. INSTALL NO. 2 HYBRID BATTERY SHIELD SUB-ASSEMBLY Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+](/t3Portal/stylegraphics/info.gif)  3. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HV RELAY ASSEMBLY (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+](/t3Portal/stylegraphics/info.gif)  4. INSTALL HYBRID BATTERY TERMINAL BLOCK Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: FUSE BOX (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+](/t3Portal/stylegraphics/info.gif)  5. INSTALL BATTERY VOLTAGE SENSOR Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: BATTERY VOLTAGE SENSOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+](/t3Portal/stylegraphics/info.gif)  6. INSTALL NO. 1 HV BATTERY SHIELD PANEL Click here
                        
                           
                              ![2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; HYBRID / BATTERY CONTROL: BATTERY VOLTAGE SENSOR (for NICKEL METAL HYDRIDE BATTERY): INSTALLATION+](/t3Portal/stylegraphics/info.gif)  7. 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+](/t3Portal/stylegraphics/info.gif)  8. TEMPORARILY INSTALL NO. 4 HV BATTERY END PLATE SUB-ASSEMBLY CAUTION: Be sure to wear insulated gloves. (a) Temporarily install the No. 4 HV battery end plate sub-assembly to the HV battery with the 2 bolts and 2 nuts. (b) Fully tighten the 2 nuts. Torque:  19 N·m {194 kgf·cm, 14 ft·lbf} 9. INSTALL NO. 5 HV BATTERY END PLATE SUB-ASSEMBLY CAUTION: Be sure to wear insulated gloves. (a) Install the No. 5 HV battery end plate sub-assembly to the HV battery with the 12 nuts. Torque:  19 N·m {194 kgf·cm, 14 ft·lbf} 10. INSTALL NO. 4 HV BATTERY SHIELD SUB-ASSEMBLY CAUTION: Be sure to wear insulated gloves. (a) Install the No. 4 HV battery shield sub-assembly to the HV battery with the 4 nuts. Torque:  19 N·m {194 kgf·cm, 14 ft·lbf} 11. INSTALL NO. 3 HV BATTERY SHIELD SUB-ASSEMBLY CAUTION: Be sure to wear insulated gloves. (a) Install the No. 3 HV battery shield sub-assembly to the HV battery with the 4 nuts. Torque:  19 N·m {194 kgf·cm, 14 ft·lbf} 12. INSTALL NO. 4 HV BATTERY END PLATE SUB-ASSEMBLY CAUTION: Be sure to wear insulated gloves. (a) Fully tighten the 2 bolts. Torque:  19 N·m {194 kgf·cm, 14 ft·lbf} 13. INSTALL HV BATTERY CAUTION: Be sure to wear insulated gloves. 
                     
                        
                           | (a) Install the HV battery to the vehicle body with the 3 bolts (A), bolt (B) and bolt (C). 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.
Use cardboard or another similar material to protect the HV battery and vehicle body from damage.
Since the HV battery is very heavy, 2 people are needed to install it. When installing the HV battery, be careful not to damage the parts around it.
When removing/installing/moving the HV battery, make sure not to tilt it more than 80°.
While lowering the HV battery into the vehicle, do not allow it to contact the vehicle.
As bolts with 3 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.
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                                                | *a | Bolt (A) (Bolt Length: 25 mm (0.984 in.)) |  
                                                | *b | Bolt (B) (Bolt Length: 24 mm (0.945 in.)) |  
                                                | *c | Bolt (C) (Bolt Length: 65 mm (2.559 in.)) |  |  |  14. CONNECT FLOOR WIRE CAUTION: Be sure to wear insulated gloves. (a) Connect the battery voltage sensor connector. (b) Engage the clamp. 15. INSTALL NO. 1 HYBRID BATTERY EXHAUST DUCT CAUTION: Be sure to wear insulated gloves. (a) Engage the claw to install the No. 1 hybrid battery exhaust duct to the HV battery. (b) Install the clip. 16. CONNECT FLOOR WIRE CAUTION: Be sure to wear insulated gloves. (a) Engage the 2 clamps. 17. 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+](/t3Portal/stylegraphics/info.gif)  18. CONNECT FLOOR WIRE CAUTION: Be sure to wear insulated gloves. (a) Connect the HV battery junction block assembly connector. (b) Connect the electric vehicle battery plug assembly connector. (c) Engage the clamp. 19. CONNECT HV FLOOR UNDER WIRE CAUTION: Be sure to wear insulated gloves. (a) Connect the floor wire connector. 
                     
                        
                           | (b) Connect the shield ground to the HV battery. |  |  (c) Connect the 2 HV battery junction block assembly connectors. NOTICE: Make sure that the connectors are connected securely. 20. INSTALL NO. 1 HV BATTERY COVER PANEL RH CAUTION: Be sure to wear insulated gloves. 
                     
                        
                           | (a) Install the No. 1 HV battery cover panel RH to the HV battery with the 3 bolts and 3 nuts. Torque:  7.5 N·m {76 kgf·cm, 66 in·lbf} | 
                                 
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                                                | *1 | Battery Cover Lock Striker |  
                                                | *a | Button |  
                                                | *b | Push |  |  |  (b) Install the battery cover lock striker, then push the button to lock it. 21. INSTALL BATTERY COOLING BLOWER ASSEMBLY Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: INSTALLATION](/t3Portal/stylegraphics/info.gif)  22. INSTALL SERVICE PLUG GRIP Click here
                        
                           
                              ![2019 - 2022 MY Avalon HV [04/2018 -        ]; HYBRID / BATTERY CONTROL: SERVICE PLUG GRIP: INSTALLATION](/t3Portal/stylegraphics/info.gif)  23. PERFORM INITIALIZATION Click here
                        
                           
                              ![2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION](/t3Portal/stylegraphics/info.gif)  |