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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (2GR-FKS) - Diagnostic Codes (5 Of 6) >> SFI System >> DTC P0560-14: System Voltage Circuit Short to Ground or Open [12/2019 - 10/2022] >> Procedure

DTC P0560-14: System Voltage Circuit Short to Ground or Open [12/2019 - 10/2022]: Procedure

  1. INSPECT BATTERY 

    OK

    Battery voltage is between 11 to 14 V.

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CHARGE OR REPLACE BATTERY 

    Result: 

    OK 

    See step  2

  2. CHECK BATTERY TERMINAL 
    1. Check that the battery terminals are not loose or corroded.

      OK

      Battery terminals are not loose or corroded

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE BATTERY TERMINAL 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (POWER SOURCE OF ECM) 
    GTY874860Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Front view of wire harness connector
    (to ECM)
    1. Disconnect the ECM connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A28-1 (BATT) - Body ground Always 11 to 14 V
      A28-8 (+BM) - Body ground Always 11 to 14 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - ECM) 

    Result: 

    OK 

    See step  4

  4. CLEAR DTC 
    1. Clear the DTC.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  5. CHECK WHETHER DTC OUTPUT RECURS (DTC P0560-14) 
    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
    2. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTC P0560-14 is output B

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [12/2019 - 10/2022] 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [12/2019 - 09/2020]  , or refer to  REMOVAL [09/2020 - 10/2022]