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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Fuel Lid Opener System (Hybrid) - Diagnostics & Symptom Tests >> FUEL LID OPENER SYSTEM (for HV Model) >> Fuel Lid Opener does not Operate [06/2018 - ] >> Procedure

Fuel Lid Opener does not Operate [06/2018 - ]: Procedure

  1. CHECK FOR DTCs (HEALTH CHECK) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: System Select / Health Check.
    5. Check DTCs.

      Result

      Result Proceed to
      No DTCs are output. A
      DTCs are output. B

    Result: 

    B 

    GO TO DTC CHART 

    Result: 

    A 

    See step  2

  2. CHECK EVAPORATIVE EMISSION CONTROL SYSTEM 
    1. Perform the Evaporative System Check using the Techstream (Automatic Mode). Refer to "CONFIRMATION DRIVING PATTERN" of P045011.

      Refer to DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P045015: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P04502F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [06/2018 - 08/2020] , or refer to DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P045015: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P04502F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [08/2020 - 08/2021] , or refer to DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P045015: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P04502F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [08/2021 - ]

    2. Check for DTCs.

      Powertrain > Engine > Trouble Codes 

      OK

      Evaporative emission control system DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO SFI SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

    Result: 

    OK 

    See step  3

  3. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE FUEL FILLER OPENER) 
    1. Enter the following menus: Powertrain / Engine / Active Test.
    2. Perform the Active Test according to the display on the Techstream.

      Powertrain > Engine > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Activate the Fuel Filler Opener Fuel lid lock with motor assembly OFF/ON -

      Powertrain > Engine > Active Test 

      Tester Display
      Activate the Fuel Filler Opener

      OK

      The fuel lid lock with motor assembly operates normally.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  10

    Result: 

    OK 

    See step  4

  4. READ VALUE USING TECHSTREAM (FUEL LID SW) 
    1. Enter the following menus: Powertrain / Engine / Data List.
    2. Read the Data List according to the display on the Techstream.

      Powertrain > Engine > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Fuel Lid SW Fuel lid opener switch status Close or Open Close: Trunk and fuel switch assembly (fuel lid opener switch) not pushed
      Open: Trunk and fuel switch assembly (fuel lid opener switch) pushed      		 -

      Powertrain > Engine > Data List 

      Tester Display
      Fuel Lid SW

      OK

      The Techstream display changes correctly in response to the operation of the trunk and fuel switch assembly (fuel lid opener switch).

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  8

    Result: 

    OK 

    See step  5

  5. READ VALUE USING TECHSTREAM (FUEL LID SENSOR SW) 
    1. Enter the following menus: Powertrain / Engine / Data List.
    2. Read the Data List according to the display on the Techstream.

      Powertrain > Engine > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Fuel Lid Sensor SW Fuel lid courtesy switch status Close or Open Close: Fuel lid closed
      Open: Fuel lid open      		 -

      Powertrain > Engine > Data List 

      Tester Display
      Fuel Lid Sensor SW

      OK

      The Techstream display changes correctly in response to the operation of the fuel lid courtesy switch (fuel lid lock with motor assembly).

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    NG 

    See step  6

  6. INSPECT FUEL LID LOCK WITH MOTOR ASSEMBLY (FUEL LID COURTESY SWITCH) 
    1. Remove the fuel lid lock with motor assembly.

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the fuel lid lock with motor assembly (fuel lid courtesy switch).

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (FUEL LID LOCK WITH MOTOR ASSEMBLY - ECM) 
    1. Disconnect the A26 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      R3-3 (B) - A26-31 (LIDO) Always Below 1 Ω
      R3-3 (B) or A26-31 (LIDO) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  8. INSPECT TRUNK AND FUEL SWITCH ASSEMBLY (FUEL LID OPENER SWITCH) 
    1. Remove the trunk and fuel switch assembly (fuel lid opener switch).

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the trunk and fuel switch assembly (fuel lid opener switch).

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE TRUNK AND FUEL SWITCH ASSEMBLY (FUEL LID OPENER SWITCH). Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (TRUNK AND FUEL SWITCH ASSEMBLY (FUEL LID OPENER SWITCH) - ECM AND BODY GROUND) 
    1. Disconnect the A26 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G30-2 (B) - A26-38 (FUEL) Always Below 1 Ω
      G30-3 (L) - Body ground Always Below 1 Ω
      G30-2 (B) or A26-38 (FUEL) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. INSPECT FUEL LID LOCK WITH MOTOR ASSEMBLY 
    1. Remove the fuel lid lock with motor assembly.

      Refer to REMOVAL [06/2018 - ]

    2. Inspect the fuel lid lock with motor assembly (motor operation).

      Refer to INSPECTION [06/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - EFI-MAIN RELAY AND AUXILIARY BATTERY) 
    1. Disconnect the 3F instrument panel junction block assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      3F-7 - Body ground Power switch off 11 to 14 V
      3F-30 - Body ground Power switch on (IG) 11 to 14 V
      Power switch off and trunk and fuel switch assembly (fuel lid opener switch) not pressed → trunk and fuel switch assembly (fuel lid opener switch) pressed Below 1 V → 11 to 14 V
      GTY835249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Instrument Panel Junction Block Assembly)

      Result

      Result Proceed to
      OK A
      The result for terminal 3F-7 is not as specified. B
      The result for terminal 3F-30 (with power switch on (IG)) is not as specified.
      The result for terminal 3F-30 (with power switch off and trunk and fuel switch assembly (fuel lid opener switch) pressed) is not as specified. C

    Result: 

    B 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    C 

    REPLACE ECM. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    A 

    See step  12

  12. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECM) 
    1. Disconnect the A26 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3F-20 - A26-44 (FREL) Always Below 1 Ω
      3F-20 or A26-44 (FREL) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FUEL LID LOCK WITH MOTOR ASSEMBLY) 
    1. Disconnect the 3H instrument panel junction block assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      3H-28 - R3-1 (B) Always Below 1 Ω
      3H-28 or R3-1 (B) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  14

  14. REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 
    1. Replace the instrument panel junction block assembly.

      Refer to REMOVAL [06/2018 - 08/2021] , or refer to REMOVAL [08/2021 - 09/2022] , or refer to REMOVAL [09/2022 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  15

  15. CHECK FUEL LID OPEN OPERATION 
    1. Check that the fuel lid can be opened.

      Refer to OPERATION CHECK [06/2018 - ] 

      OK

      The fuel lid can be opened.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE ECM. Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

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