LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different car >> Section 439 (Automatic Transaxle System (K121) - Diagnostic Codes (1 Of 2)) >> K121 Continuously Variable Transaxle System >> DTC P0914-12: Gear Shift Position Circuit Short to Battery [03/2023 - ] >> Procedure

DTC P0914-12: Gear Shift Position Circuit Short to Battery [03/2023 - ]: Procedure

WARNING: This page is about a different car, the 2025 Toyota Corolla and 2024 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT ECM (VDD VOLTAGE) 

    Pre-procedure1

    1. Disconnect the C73 shift stroke sensor connector.
    2. Turn the ignition switch to ON.

      Procedure1

    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      C73-2 (VDD) - C73-3 (GND) Ignition switch ON 4.7 to 5.3 V

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. Turn the ignition switch off.
    5. Connect the C73 shift stroke sensor connector.

    Result: 

    NG 

    See step  5

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (SHIFT STROKE SENSOR - ECM) 

    Pre-procedure1

    1. Disconnect the C73 shift stroke sensor connector.
    2. Disconnect the C160 ECM connector.

      Procedure1

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C73-4 (VOUT) or C160-124 (SFV) - Other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. Connect the C160 ECM connector.
    5. Connect the C73 shift stroke sensor connector.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. INSPECT SHIFT STROKE SENSOR 

    Refer to INSPECTION [09/2022 - 09/2024] , or refer to INSPECTION [09/2024 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SHIFT STROKE SENSOR 

    Refer to REMOVAL [11/2022 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result: 

    OK 

    See step  4

  4. REPLACE ECM 

    HINT: 

    Refer to REMOVAL [03/2023 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    PERFORM REGISTRATION AND INITIALIZATION 

    for Registration: Refer to REGISTRATION [03/2023 - ]

    for Initialization: Refer to INITIALIZATION [03/2023 - ]

  5. CHECK HARNESS AND CONNECTOR (SHIFT STROKE SENSOR - ECM) 

    Pre-procedure1

    1. Disconnect the C73 shift stroke sensor connector.
    2. Disconnect the C160 ECM connector.

      Procedure1

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C73-2 (VDD) or C160-154 (VCSF) - Other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. Connect the C160 ECM connector.
    5. Connect the C73 shift stroke sensor connector.

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  6

  6. REPLACE ECM 

    HINT: 

    Refer to REMOVAL [03/2023 - 09/2024] , or refer to REMOVAL [09/2024 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    PERFORM REGISTRATION AND INITIALIZATION 

    for Registration: Refer to REGISTRATION [03/2023 - ]

    for Initialization: Refer to INITIALIZATION [03/2023 - ]

scientia non olet · About LEMON Manuals