| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001FH9P |
| Model Year Start: 2019 | Model: RAV4 HV | Prod Date Range: [11/2018 - 02/2019] |
| Title: HYBRID / BATTERY CONTROL: HV BATTERY THERMISTOR: REMOVAL; 2019 MY RAV4 HV [11/2018 - 02/2019] | ||
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 hybrid battery thermistor removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
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Replaced Part or Performed Procedure |
Necessary Procedures |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
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Auxiliary battery terminal is disconnected/reconnected |
Perform steering sensor zero point calibration |
Lane control system |
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Pre-collision system |
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Memorize steering angle neutral point |
Parking assist monitor system |
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Panoramic view monitor system |
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Reset back door close position |
Power back door system |
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Back door lock initialization |
Power door lock control system |
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CAUTION:
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Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
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![2019 - 2020 MY RAV4 HV [11/2018 - 08/2020]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for 2WD with NICKEL METAL HYDRIDE BATTERY): PRECAUTION](/t3Portal/stylegraphics/info.gif)
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To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
NOTICE:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.
Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
|
System Name |
See Procedure |
|---|---|
|
Vehicle enrolled in Toyota Entune system or safety connect system |
6 minutes |
|
Vehicle not enrolled in Toyota Entune system and safety connect system |
1 minute |
PROCEDURE
1. PRECAUTION
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.
2. REMOVE HV BATTERY
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3. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY
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4. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY
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5. REMOVE NO. 2 HYBRID BATTERY SHIELD SUB-ASSEMBLY
CAUTION:
Be sure to wear insulated gloves and protective goggles.
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(a) Remove the 5 nuts. |
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(b) Pull back the rear No. 1 HV battery shield and remove the No. 2 hybrid battery shield sub-assembly from the HV battery.
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*1 |
Rear No. 1 HV Battery Shield |
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*2 |
No. 2 Hybrid Battery Shield Sub-assembly |
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Pull Back |
HINT:
Pull back the rear No. 1 HV battery shield until it is separated from the stud bolt of the No. 2 hybrid battery shield sub-assembly.
6. REMOVE NO. 1 HV BATTERY INTAKE DUCT LH
CAUTION:
Be sure to wear insulated gloves and protective goggles.
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(a) Remove the clip to disconnect the No. 1 HV battery intake duct LH from the HV battery. |
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(b) Disengage the claw of hybrid battery thermistor (sensor portion) and remove the No. 1 HV battery intake duct LH.
7. REMOVE HYBRID BATTERY THERMISTOR
CAUTION:
Be sure to wear insulated gloves and protective goggles.
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(a) Disengage the clamp. |
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(b) Disengage the 2 claws and remove the No. 1 hybrid battery packing from the HV battery. |
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(c) Disengage the clamp. |
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(d) Disconnect the battery voltage sensor connector.
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(e) Disengage the 4 clamps. |
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(f) Disengage the 3 claws of the hybrid battery thermistor (sensor portions) and remove the hybrid battery thermistor from the HV battery. |
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