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Home >> Audi >> 2017 >> S5 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 390 (Hybrid Battery System (Diagnostic Codes (P0A75-123 - U029A-123))) >> Hybrid Battery System >> DTC P0A7F-123: Hybrid Battery Pack Deterioration [08/2013 - ] >> Procedure

DTC P0A7F-123: Hybrid Battery Pack Deterioration [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Read output DTCs. Refer to DTC CHECK / CLEAR [08/2013 - ] .

      Result

      Result Proceed to
      P0AFC-123 is not output. A
      P0AFC-123 is also output. B
    5. Turn the power switch off.
    6. Disconnect the Techstream from the DLC3.

    B → See step   5 

    A: Go to next step 

  2. READ VALUE USING TECHSTREAM (VB1 - VB17) 
    1. Ensure the safety of the areas in front and at the back of the vehicle.
    2. Apply the parking brake and secure the wheels using chocks.
    3. Connect the Techstream to the DLC3.
    4. Turn the power switch on (READY).
    5. Fully warm up the engine and turn the air conditioning off.
    6. Enter the following menus: Powertrain / Hybrid Control / Data List / Battery block Vol - V01 to V17.
    7. Firmly depress the brake pedal with your left foot.
    8. Move the shift lever to D.
    9. Record each battery block voltage from the data list (Battery block Vol -V01 to V17) while fully depressing the accelerator pedal.
    10. Compare the battery block voltages (Battery block Vol -V01 to V17) between the even and odd number groups in each combination shown in the table below.
      TABLE 1

      Circuit A Battery Block Circuit B Battery Block Condition
      Battery Block Vol-V01 (VB1) Battery Block Vol-V02 (VB2) "Battery Block Vol - V01" - "Battery Block Vol - V02" = 0.3 V or more
      Battery Block Vol-V04 (VB4) Battery Block Vol-V03 (VB3) "Battery Block Vol - V04" - "Battery Block Vol - V03" = 0.3 V or more
      Battery Block Vol-V05 (VB5) Battery Block Vol-V06 (VB6) "Battery Block Vol - V05" - "Battery Block Vol - V06" = 0.3 V or more
      Battery Block Vol-V08 (VB8) Battery Block Vol-V07 (VB7) "Battery Block Vol - V08" - "Battery Block Vol - V07" = 0.3 V or more
      Battery Block Vol-V09 (VB9) Battery Block Vol-V10 (VB10) "Battery Block Vol - V09" - "Battery Block Vol - V10" = 0.3 V or more
      Battery Block Vol-V12 (VB12) Battery Block Vol-V11 (VB11) "Battery Block Vol - V12" - "Battery Block Vol - V11" = 0.3 V or more
      Battery Block Vol-V13 (VB13) Battery Block Vol-V14 (VB14) "Battery Block Vol - V13" - "Battery Block Vol - V14" = 0.3 V or more
      Battery Block Vol-V16 (VB16) Battery Block Vol-V15 (VB15) "Battery Block Vol - V16" - "Battery Block Vol - V15" = 0.3 V or more
      Battery Block Vol-V17 (VB17) Battery Block Vol-V14 (VB14) "Battery Block Vol - V17" - "Battery Block Vol - V14" = 0.3 V or more
      TABLE 2

      Circuit A Battery Block Circuit B Battery Block Condition
      Battery Block Vol-V01 (VB1) Battery Block Vol-V02 (VB2) "Battery Block Vol - V02" - "Battery Block Vol - V01" = 0.3 V or more
      Battery Block Vol-V04 (VB4) Battery Block Vol-V03 (VB3) "Battery Block Vol - V03" - "Battery Block Vol - V04" = 0.3 V or more
      Battery Block Vol-V05 (VB5) Battery Block Vol-V06 (VB6) "Battery Block Vol - V06" - "Battery Block Vol - V05" = 0.3 V or more
      Battery Block Vol-V08 (VB8) Battery Block Vol-V07 (VB7) "Battery Block Vol - V07" - "Battery Block Vol - V08" = 0.3 V or more
      Battery Block Vol-V09 (VB9) Battery Block Vol-V10 (VB10) "Battery Block Vol - V10" - "Battery Block Vol - V09" = 0.3 V or more
      Battery Block Vol-V12 (VB12) Battery Block Vol-V11 (VB11) "Battery Block Vol - V11" - "Battery Block Vol - V12" = 0.3 V or more
      Battery Block Vol-V13 (VB13) Battery Block Vol-V14 (VB14) "Battery Block Vol - V14" - "Battery Block Vol - V13" = 0.3 V or more
      Battery Block Vol-V16 (VB16) Battery Block Vol-V15 (VB15) "Battery Block Vol - V15" - "Battery Block Vol - V16" = 0.3 V or more
      Battery Block Vol-V17 (VB17) Battery Block Vol-V14 (VB14) "Battery Block Vol - V14" - "Battery Block Vol - V17" = 0.3 V or more

      HINT: 

      Make sure to compare Battery Block Vol-V17 to Battery Block Vol-V14 in accordance with the table above.

      GTY464751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      When an internal malfunction occurs in the battery smart unit, this symptom (difference in voltage of 0.3 V or more for all 9 pairs of blocks) will occur.

      Result

      Result Proceed to
      All conditions in table 1 are met. A
      All conditions in table 2 are met.
      Other than above. B
    11. Turn the power switch off.
    12. Disconnect the Techstream from the DLC3.

    B → See step   4 

    A → See step   3 

  3. REPLACE BATTERY SMART UNIT. Refer to  COMPONENTS [08/2013 - ] 
  4. REPLACE HV BATTERY. Refer to  COMPONENTS [08/2013 - ] 
  5. GO TO DTC CHART (P0AFC-123). Refer to  DTC P0AFC-123: Hybrid Battery Pack Sensor Module [08/2013 - ]  
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