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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 110 (Fuel Lid Opener System - Diagnostics & Symptom Tests (Hybrid)) >> FUEL LID OPENER SYSTEM (for HV Model) >> Symptom Tests >> Fuel Lid Opener does not Operate [04/2018 - ] >> Procedure

Fuel Lid Opener does not Operate [04/2018 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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. Refer to  DTC INDEX  . 

    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 P0450-11.

      Refer to DTC P0450-11: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Ground; DTC P0450-15: Evaporative Emission System Pressure Sensor/Switch Circuit Short to Battery or Open; DTC P0450-2F: Evaporative Emission System Pressure Sensor/Switch Signal Erratic [04/2018 - ]

    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 [04/2018 - ] 

    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: Fuel lid opener switch not pushed
      Open: 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 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. 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 [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    NG 

    See step  6

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

      Refer to REMOVAL [04/2018 - ]

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

      Refer to INSPECTION [04/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY. Refer to  REMOVAL [04/2018 - ] 

    Result: 

    OK 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (FUEL LID LOCK WITH MOTOR ASSEMBLY - ECM) 
    1. Disconnect the A19 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P4-3 (B) - A19-31 (LIDO) Always Below 1 Ω
      P4-3 (B) or A19-31 (LIDO) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  8. INSPECT FUEL LID OPENER SWITCH 
    1. Remove the fuel lid opener switch.

      Refer to REMOVAL [04/2018 - ]

    2. Inspect the fuel lid opener switch.

      Refer to INSPECTION [04/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID OPENER SWITCH. Refer to  REMOVAL [04/2018 - ] 

    Result: 

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (FUEL LID OPENER SWITCH - ECM AND BODY GROUND) 
    1. Disconnect the A19 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G25-5 (IG) - A19-38 (FUEL) Always Below 1 Ω
      G25-5 (IG) or A19-38 (FUEL) - Body ground Always 10 kΩ or higher
      G25-2 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    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 [04/2018 - ]

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

      Refer to INSPECTION [04/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY. Refer to  REMOVAL [04/2018 - ] 

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - EFI-MAIN RELAY AND AUXILIARY BATTERY) 
    1. Disconnect the 4F instrument panel junction block assembly connector.
      GTY869414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Instrument Panel Junction Block Assembly)
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      4F-7 - Body ground Power switch off 11 to 14 V
      4F-30 - Body ground Power switch on (IG) 11 to 14 V
      Power switch off and fuel lid opener switch not pressed → fuel lid opener switch pressed Below 1 V → 11 to 14 V

      Result

      Result Proceed to
      OK A
      The result for terminal 4F-7 is not as specified. B
      The result for terminal 4F-30 (with power switch on (IG)) is not as specified.
      The result for terminal 4F-30 (with power switch off and 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 [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    A 

    See step  12

  12. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECM) 
    1. Disconnect the A19 ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4F-20 - A19-44 (FREL) Always Below 1 Ω
      4F-20 or A19-44 (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 (FUEL LID LOCK WITH MOTOR ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the 4H 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
      4H-28 - P4-1 (B) Always Below 1 Ω
      4H-28 or P4-1 (B) - Body ground Always 10 kΩ or higher
      P4-2 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  14

  14. CHECK ECM 
    1. Connect the A19 ECM connector.
    2. Connect the 4F and 4H instrument panel junction block assembly connectors.
    3. Measure the voltage according to the value(s) in the table below.
      GTY897941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Instrument Panel Junction Block Assembly)      		 - -

      Standard Voltage

      Tester Connection Condition Specified Condition
      4F-20 - Body ground Power switch on (IG) and fuel lid opener switch not pressed 11 to 14 V
      Power switch on (IG) and fuel lid opener switch pressed Below 1 V
      4H-28 - Body ground Power switch on (IG) and fuel lid opener switch not pressed → fuel lid opener switch pressed Below 1 V → 11 to 14 V

      Result

      Result Proceed to
      The result for terminal 4F-20 (with power switch on (IG) and fuel lid opener switch not pressed) is not as specified A
      The result for terminal 4H-28 is not as specified
      The result for terminal 4F-20 (with power switch on (IG) and fuel lid opener switch pressed) is not as specified B

    Result: 

    A 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    B 

    REPLACE ECM. Refer to  REMOVAL [04/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

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