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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 60 (Hybrid Control System (NI-MH) - Diagnostic Codes (3 Of 5)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P1A80-00: Hybrid/EV Battery Stack 1 Delta SOC High; DTC P1AD0-1B: Hybrid/EV Battery Block Circuit Resistance Above Threshold [01/2019 - 09/2022] >> Procedure

DTC P1A80-00: Hybrid/EV Battery Stack 1 Delta SOC High; DTC P1AD0-1B: Hybrid/EV Battery Block Circuit Resistance Above Threshold [01/2019 - 09/2022]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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. Check and record any HV system DTCs and freeze frame data.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      P0AFC-00, P0AFC-96, P308A-12 or P0AFC-62 is output A
      Other than above (w/o Canister Pump Module) B
      Other than above (w/ Canister Pump Module) C
    5. Turn the power switch off.

    Result: 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM) 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2019 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 09/2022]

    Result: 

    See step  3

    Result: 

    See step  2

  2. CHECK FREEZE FRAME DATA 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Read the value of freeze frame data item "Number of Hybrid/EV Battery Current Sensor Characteristics Determination" for DTC P1A80-00 or P1AD0-1B.

      Powertrain > Hybrid Control 

      Tester Display
      Number of Hybrid/EV Battery Current Sensor Characteristics Determination

      Result

      Result Proceed to
      0 to 99 A
      Other than above B
    4. Turn the power switch off.

    Result: 

    REPLACE HYBRID BATTERY TERMINAL BLOCK 

    Refer to REMOVAL [01/2019 - 09/2022]

    Result: 

    See step  3

  3. CHECK TOTAL DISTANCE DRIVEN 
    1. Read the odometer to check the total distance the vehicle has been driven.

      Result

      Result Proceed to
      Total distance driven is less than 200000 km (124280 mile) A
      Total distance driven is 200000 km (124280 mile) or more Current total distance driven - total distance driven when hybrid battery terminal block replaced = less than 200000 km (124280 mile) *1
      Other than above B

      HINT: 

      *1: If the hybrid battery terminal block has been replaced, use the total distance driven since it was replaced.

    Result: 

    REPLACE HV BATTERY 

    Refer to REMOVAL [01/2019 - 09/2022]

    Result: 

    See step  4

  4. REPLACE HV BATTERY 

    Refer to REMOVAL [01/2019 - 09/2022]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    REPLACE HYBRID BATTERY TERMINAL BLOCK 

    Refer to REMOVAL [01/2019 - 09/2022]