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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery System (PHEV) - Diagnostic Codes (4 Of 4) & Circuit Tests >> HYBRID BATTERY SYSTEM (for PHEV Model) >> "HAVE TRACTION BATTERY INSPECTED" is displayed [03/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING:

Refer to the precautions before inspecting high voltage circuit.

Refer to PRECAUTION [03/2023 - ]

NOTE:
  • If "Maintenance Required for Traction Battery at Your Dealer" 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 "Maintenance Required for Traction Battery at Your Dealer" are displayed and the use of the HV battery is limited. If it is used more, the ignition switch ON (READY) operation will be disabled.

    *: Timing may vary depending on vehicle usage.

  • Perform plug-in charging several times as specified.
  • After the ignition switch is turned off, there may be a waiting time before disconnecting the auxiliary negative (-) 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 [03/2023 - ]