LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Engine Control System (8AR-FTS) - Diagnostic Codes (10 Of 14)) >> SFI System >> DTC P107A-11: Fuel Rail Pressure Sensor (Low) Circuit Short to Ground [09/2022 - ] >> Procedure

DTC P107A-11: Fuel Rail Pressure Sensor (Low) Circuit Short to Ground [09/2022 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus IS 300, 2023 Lexus IS 300, 2022 Lexus IS 300, 2021 Lexus IS 300, and 2020 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) - ECM) 
    1. Disconnect the ECM connector.
    2. Disconnect the fuel pressure sensor (for low pressure side) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F92-1 (VC) - F78-134 (VCPF) Always Below 1 Ω
      F92-2 (PFL) or F78-102 (PFL) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK TERMINAL VOLTAGE (POWER SOURCE OF FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE)) 
    GTY636422Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Front view of wire harness connector
    (to Fuel Pressure Sensor (for Low Pressure Side))
    1. Disconnect the fuel pressure sensor (for low pressure side) connector.
    2. Turn the engine switch on (IG).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F92-1 (VC) - F92-3 (E2) Engine switch on (IG) 4.75 to 5.25 V

      Result

      Proceed to
      OK
      NG

      HINT: 

      Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).

      Refer to INITIALIZATION [09/2019 - ]

    Result: 

    OK 

    REPLACE FUEL DELIVERY PIPE (FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE)). Refer to  REMOVAL [08/2015 - ] 

    Result: 

    NG 

    REPLACE ECM. Refer to  REMOVAL [08/2015 - ]