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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 87 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0520-P05A2)) >> SFI System >> DTC P0560-14: System Voltage Circuit Short to Ground or Open [11/2023 - ] >> Procedure

DTC P0560-14: System Voltage Circuit Short to Ground or Open [11/2023 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSPECT AUXILIARY BATTERY 

    Refer to PROCEDURE - Step 1

    OK

    Auxiliary battery voltage is between 11 to 14 V.

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    CHARGE OR REPLACE AUXILIARY BATTERY 

    Result: 

    OK 

    See step  2

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

      Refer to PROCEDURE - Step 4

      OK

      Auxiliary battery terminals are not loose or corroded.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE AUXILIARY BATTERY TERMINAL 

    Result: 

    OK 

    See step  3

  3. CHECK TERMINAL VOLTAGE (POWER SOURCE OF ECM) 
    GTY858626Courtesy 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
      A27-1 (BATT) - Body ground Always 11 to 16 V

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - ECM) 

    Result: 

    OK 

    See step  4

  4. CLEAR DTC 
    1. Clear the DTCs.

      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 - ]

    Result: 

    REPLACE ECM 

    Refer to REMOVAL [11/2023 - ]