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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) >> ECU Power Source Circuit [03/2023 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING:

Refer to the precautions before inspecting high voltage circuit.

Refer to PRECAUTION [03/2023 - ]

NOTE:
  • 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 - ]