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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 36 (Motor Generator Control System (2WD, W/ Nickel Metal Hydride Battery) - Diagnostic Codes (1 Of 3)) >> MOTOR GENERATOR CONTROL SYSTEM (for 2WD with NICKEL METAL HYDRIDE BATTERY) >> DTC P0A1B-1F: Generator Control Module Circuit Intermittent [11/2018 - 08/2020] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Fig 1: Wear Insulated Gloves
GTY588386Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • Before the following operations are conducted, take precautions to prevent electric shock by turning the power switch off, wearing insulated gloves, and removing the service plug grip from HV battery.
    • Inspecting the high-voltage system
    • Disconnecting the low voltage connector of the inverter with converter assembly
    • Disconnecting the low voltage connector of the HV battery
  • To prevent electric shock, make sure to remove the service plug grip to cut off the high voltage circuit before servicing the vehicle.
    Fig 2: Do Not Service The Vehicle Before Cutting Of The High-Voltage Circuit
    GTY687067Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • After removing the service plug grip from the HV battery, put it in your pocket to prevent other technicians from accidentally reconnecting it while you are working on the high-voltage system.
    Fig 3: Do Not Leave Service Plug Grip Accessible To Other Technicians
    GTY703958Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  • After removing the service plug grip, wait for at least 10 minutes before touching any of the high-voltage connectors or terminals. After waiting for 10 minutes, check the voltage at the terminals in the inspection point in the inverter with converter assembly. The voltage should be 0 V before beginning work.

    Refer to PRECAUTION [11/2018 - 08/2020]

    HINT: 

    Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.

    Fig 4: Do Not Service The Vehicle Without Waiting At Least 10 Minutes To Discharge The High-Voltage Capacitor
    GTY733532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Without waiting for 10 minutes
NOTE:

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.

Refer to PRECAUTION [11/2018 - ]