Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

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 terminal block removal/installation are shown below.

CAUTION:

• 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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• 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.

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PROCEDURE

1. REMOVE HV BATTERY

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2. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY

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3. REMOVE NO. 1 HV BATTERY SHIELD PANEL

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4. REMOVE HYBRID BATTERY TERMINAL BLOCK

CAUTION:

Be sure to wear insulated gloves and protective goggles.

(a) Remove the bolt to separate the hybrid battery terminal block from the HV battery.

(b) Disconnect the 2 hybrid battery terminal block connectors to remove the hybrid battery terminal block. NOTICE: Insulate the disconnected high-voltage connectors with insulating tape.