Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001TFR6
Model Year Start: 2021 Model: Camry HV Prod Date Range: [10/2020 -           ]
Title: HYBRID / BATTERY CONTROL: HV RELAY ASSEMBLY (for NICKEL METAL HYDRIDE BATTERY): REMOVAL; 2021 - 2024 MY Camry HV [10/2020 -        ]

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 HV battery junction block assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Tracing Assist System

2021 - 2024 MY Camry HV [10/2020 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision system

Lighting system (w/ AFS)(EXT)

Memorize steering angle neutral point

Parking assist monitor system

2018 - 2024 MY Camry HV [07/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: INITIALIZATION

Panoramic view monitor system

2021 - 2024 MY Camry HV [10/2020 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: INITIALIZATION

CAUTION:

  • Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.

    Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): PRECAUTION

  • To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.

NOTICE:

After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here 2020 - 2024 MY Camry HV [09/2019 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. REMOVE SERVICE PLUG GRIP

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: SERVICE PLUG GRIP: REMOVAL

2. DISCONNECT ENGINE ROOM MAIN WIRE

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: FRAME WIRE: REMOVAL+

3. REMOVE CONNECTOR COVER ASSEMBLY

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: INVERTER WITH CONVERTER: REMOVAL+

4. CHECK TERMINAL VOLTAGE

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: INVERTER WITH CONVERTER: REMOVAL+

5. INSTALL CONNECTOR COVER ASSEMBLY

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): REMOVAL+

6. CONNECT ENGINE ROOM MAIN WIRE

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: FRAME WIRE: INSTALLATION+

7. REMOVE NO. 2 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; THEFT DETERRENT / KEYLESS ENTRY: ELECTRICAL KEY OSCILLATOR (for Rear Floor): REMOVAL

8. REMOVE REAR DOOR SCUFF PLATE LH

Click here 2021 MY Camry HV [10/2020 - 08/2021]; INTERIOR PANELS / TRIM: ROOF HEADLINING: REMOVAL+ 2022 - 2024 MY Camry HV [08/2021 -        ]; INTERIOR PANELS / TRIM: ROOF HEADLINING: REMOVAL+

9. REMOVE REAR UNDER SIDE COVER LH

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: REMOVAL+

10. REMOVE REAR DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

11. REMOVE REAR UNDER SIDE COVER RH

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: REMOVAL+

12. REMOVE REAR UNDER COVER

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: REMOVAL+

13. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY

Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; HYBRID / BATTERY CONTROL: BATTERY BLOWER: REMOVAL+

14. REMOVE NO. 1 HV BATTERY COVER PANEL RH

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): REMOVAL+

15. DISCONNECT FLOOR UNDER WIRE

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): REMOVAL+

16. DISCONNECT FLOOR WIRE

CAUTION:

Be sure to wear insulated gloves.

(a) Disengage the clamp.

(b) Disconnect the electric vehicle battery plug assembly connector.

(c) Disconnect the HV battery junction block assembly connector.

(d) Disengage the 2 clamps to disconnect the floor wire.

17. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: HV BATTERY (for NICKEL METAL HYDRIDE BATTERY): REMOVAL+

18. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; HYBRID / BATTERY CONTROL: BATTERY VOLTAGE SENSOR(for NICKEL METAL HYDRIDE BATTERY): REMOVAL+

19. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Remove the bolt and disconnect the electric vehicle battery plug assembly.

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

NOTICE:

Insulate the disconnected connectors with insulating tape.

(c) Disengage the clamp.

(d) Disengage the 2 claws and open the wiring harness protector.

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

NOTICE:

Insulate the disconnected connectors with insulating tape.

(f) Using a screwdriver with its tip wrapped with protective tape, disengage the 2 claws and remove the wiring harness protector.

*a

Protective Tape

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

(h) Remove the 4 nuts and HV battery junction block assembly from the HV battery.

NOTICE:

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