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Home >> Toyota >> 2018 >> Prius Prime Plus >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid Battery System - Diagnostic Codes (4 Of 5) >> Hybrid Battery System >> DTC P1AC4-13: Hybrid/EV Battery Stack 1 Current Interrupt Device Circuit Open; DTC P1AC5-13: Hybrid/EV Battery Stack 2 Current Interrupt Device Circuit Open; DTC P1AC6-13: Hybrid/EV Battery Stack 3 Current Interrupt Device Circuit Open; DTC P1AC7-13: Hybrid/EV Battery Stack 4 Current Interrupt Device Circuit Open; DTC P1AC8-13: Hybrid/EV Battery Stack 5 Current Interrupt Device Circuit Open [09/2016 - ] >> Confirmation Driving Pattern
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Confirmation Driving Pattern

HINT: 

  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 and wait for 2 minutes or more.
  5. Turn the power switch on (IG) and wait for 10 seconds or more.[*1]
  6. Turn the power switch off and wait for 2 minutes or more.[*2]
  7. Turn the power switch on (READY) and turn the Techstream on.[*3]
  8. With power switch on (READY) and wait for 30 minutes or more.[*4]

    HINT: 

    [*1] to [*4]: Normal judgment procedure.

    The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

  9. Enter the following menus: Powertrain / HV Battery / Utility / All Readiness.
  10. Check the DTC judgment result.

    HINT: 

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.