Removal [11/2021 - ]: Procedure

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [11/2021 - ]

      WARNING:

      • Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Confirm that DTC P0AA6-49 (Hybrid / EV Battery Voltage System Isolation Internal Electronic Failure), P1C7C-49 (Hybrid / EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure), P1C7D-49 (Hybrid / EV Battery Voltage System Isolation (Hybrid/EV Battery Area) Internal Electronic Failure), P1C7E-49 (Hybrid / EV Battery Voltage System Isolation (Transaxle Area) Internal Electronic Failure) or P1C7F-49 (Hybrid / EV Battery Voltage System Isolation (Direct Current Area) Internal Electronic Failure) is not output before removing or installing the HV battery. If this DTC is output, perform troubleshooting for this DTC first.

      • To reduce the risk of electric shock, do not perform troubleshooting before checking for DTCs.

Refer to PROCEDURE - Step 2

Refer to PROCEDURE - Step 3

Refer to PROCEDURE - Step 1

WARNING: Be sure to wear insulated gloves. Do not inspect or service the high voltage system with the service plug grip installed. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 To reduce the risk of electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle. To reduce the risk of electric shock, make sure to wait at least 10 minutes after removing the service plug grip to fully discharge the high voltage capacitor inside the inverter with converter assembly. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002 Keep the removed service plug grip in your pocket to prevent other technicians from accidentally installing it while you are servicing the vehicle. NOTE: After removing the service plug grip, turning the ignition switch to ON (READY) may cause a malfunction. Do not turn the ignition switch to ON (READY) unless instructed by the repair information. Do not touch the terminals of the service plug grip. If the service plug grip has been struck or dropped, replace it. HINT: Waiting for at least 10 minutes is required to discharge the high voltage capacitor inside the inverter with converter assembly.

1. Fig 1: Service Plug Grip Loosening Sequence

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. While wearing insulated gloves, rotate the handle of the service plug grip and remove the service plug grip as indicated by the arrows, in the order shown in the illustration.