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Home >> Toyota >> 2014 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 74 (Hybrid Battery System (Diagnostic Codes (P0A7F-123 - U029A-123)) (Hybrid)) >> Hybrid Battery System >> DTC P0A80-123: Replace Hybrid Battery Pack [10/2013 - ] >> Procedure

DTC P0A80-123: Replace Hybrid Battery Pack [10/2013 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) See step   1 

    B → See step   5 

    A: Go to next step 

  2. CHECK FREEZE FRAME DATA 
    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. Using the Techstream, make a note of the freeze frame data item "Battery Block Vol - V01 to V17".
    5. Compare the freeze frame data item "Battery Block Vol - V01 to V17" values with those shown in the following combination tables.
      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.

      GTY375361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      When an internal malfunction occurs in the battery voltage sensor, this symptom (difference in voltage of 0.3 V or more for all 9 pair 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
    6. Turn the power switch off.
    7. Disconnect the Techstream from the DLC3.

    B → See step   4 

    A → See step   3 

  3. REPLACE BATTERY VOLTAGE SENSOR. Refer to  COMPONENTS [10/2013 - ] 
  4. REPLACE HV BATTERY. Refer to  COMPONENTS [10/2013 - ] 
  5. GO TO DTC CHART (P0AFC-123). Refer to  DTC P0AFC-123: Hybrid Battery Pack Sensor Module [10/2013 - ]