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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid Battery System (Except Plug-In) (Diagnostic Codes (P0A7F-123-U029A-123)) >> Hybrid Battery System >> DTC P3011-123: Battery Block 1 Becomes Weak; DTC P3012-123: Battery Block 2 Becomes Weak; DTC P3013-123: Battery Block 3 Becomes Weak; DTC P3014-123: Battery Block 4 Becomes Weak; DTC P3015-123: Battery Block 5 Becomes Weak; DTC P3016-123: Battery Block 6 Becomes Weak; DTC P3017-123: Battery Block 7 Becomes Weak; DTC P3018-123: Battery Block 8 Becomes Weak; DTC P3019-123: Battery Block 9 Becomes Weak; DTC P3020-123: Battery Block 10 Becomes Weak; DTC P3021-123: Battery Block 11 Becomes Weak; DTC P3022-123: Battery Block 12 Becomes Weak; DTC P3023-123: Battery Block 13 Becomes Weak; DTC P3024-123: Battery Block 14 Becomes Weak >> Confirmation Driving Pattern
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Confirmation Driving Pattern

  1. Connect the Techstream to the DLC3.
  2. Turn the power switch on (IG) and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the power switch off.
  5. Turn the power switch on (READY) and turn the Techstream on.
  6. Perform a universal trip.
  7. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
  8. Check that permanent DTCs are cleared.

    HINT: 

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.
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