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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Hybrid Battery System (HEV) - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests) >> HYBRID BATTERY SYSTEM (for M20A-FXS) >> "HAVE TRACTION BATTERY INSPECTED" is displayed [12/2022 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different variant/trim than selected.
WARNING:

Refer to the precautions before inspecting high voltage circuit.

Refer to PRECAUTION [12/2022 - ]

NOTE:
  • If "Have Traction Battery Inspected" is displayed on the multi-information display, the message will not be cleared until one of the following conditions is met. If the traction battery is used continually without performing battery diagnosis for a few weeks*, "VEHICLE START WILL SOON BE DISABLED" and "Have Traction Battery Inspected" are displayed and the use of the HV battery is limited. If it is used more, the power on (READY) operation will be disabled.

    *: The timing may vary depending on vehicle usage.

  • "Have Traction Battery Inspected" is cleared when both of the following conditions are met:
    1. "Prediagnostic Battery Charge" and "Battery Diagnosis" have been performed.
    2. "003" (There is no need to replace HV battery) is displayed on the GTS.
  • After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [12/2022 - ]

  • When disconnecting and reconnecting the auxiliary battery

    HINT: 

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [12/2022 - 03/2023] , or refer to AUTOMATIC LEARNING CHART [03/2023 - ]