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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Fuel Lid Opener System (Diagnostics & Symptom Tests) (Hybrid) >> Fuel Lid Opener System >> Fuel Lid Opener does not Operate [02/2014 - 11/2016] >> Procedure

Fuel Lid Opener does not Operate [02/2014 - 11/2016]: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (ACTIVATE THE FUEL FILLER OPENER) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List.
    5. Perform the Active Test according to the display on the Techstream.

      Powertrain > Engine and ECT > Active Test 

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

      Powertrain > Engine and ECT > Active Test 

      Tester Display
      Activate the Fuel Filler Opener

      OK

      The fuel lid lock with motor assembly operates normally.

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  8

    Result: 

    OK 

    Go to next step 

  2. READ VALUE USING TECHSTREAM (FUEL LID SWITCH) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List.
    5. Read the Data List according to the display on the Techstream.

      Powertrain > Engine and ECT > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Fuel Lid Switch Fuel lid opener switch status OFF or ON OFF: Fuel lid opener switch not pushed
      ON: Fuel lid opener switch pushed      		 -

      Powertrain > Engine and ECT > Data List 

      Tester Display
      Fuel Lid Switch

      OK

      The Techstream display changes correctly in response to the operation of the fuel lid opener switch.

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    Go to next step 

  3. READ VALUE USING TECHSTREAM (FUEL LID) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Data List.
    5. Read the Data List according to the display on the Techstream.

      Powertrain > Engine and ECT > Data List 

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

      Powertrain > Engine and ECT > Data List 

      Tester Display
      Fuel Lid

      OK

      The Techstream display changes correctly in response to the operation of the fuel lid courtesy switch assembly.

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM.  Refer to REMOVAL [02/2014 - 11/2016]

    Result: 

    NG 

    Go to next step 

  4. INSPECT FUEL LID COURTESY SWITCH 
    1. Remove the fuel lid courtesy switch.

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the fuel lid courtesy switch.

      Refer to INSPECTION [02/2014 - ]

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID COURTESY SWITCH.  Refer to REMOVAL [02/2014 - ]

    Result: 

    OK 

    Go to next step 

  5. CHECK HARNESS AND CONNECTOR (FUEL LID COURTESY SWITCH - ECM) 
    1. Disconnect the M21 fuel lid courtesy switch connector.
    2. Disconnect the Y2 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M21-2 - A43-17 (LIDO) Always Below 1 Ω
      M21-1 - Body ground Always Below 1 Ω
      M21-2 or A43-17 (LIDO) - Body ground Always 10 kΩ or higher
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM.  Refer to REMOVAL [02/2014 - 11/2016]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the fuel lid opener switch.

      Refer to INSPECTION [02/2014 - ]

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID OPENER SWITCH.  Refer to REMOVAL [02/2014 - ]

    Result: 

    OK 

    Go to next step 

  7. CHECK HARNESS AND CONNECTOR (FUEL LID OPENER SWITCH - ECM) 
    1. Disconnect the F2 fuel lid opener switch connector.
    2. Disconnect the A43 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F2-4 - A43-2 (FUEL) Always Below 1 Ω
      F2-1 - Body ground Always Below 1 Ω
      F2-4 or A43-2 (FUEL) - Body ground Always 10 kΩ or higher
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM.  Refer to REMOVAL [02/2014 - 11/2016]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the fuel lid lock with motor assembly.

      Refer to INSPECTION [02/2014 - ]

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUEL LID LOCK WITH MOTOR ASSEMBLY.  Refer to REMOVAL [02/2014 - ]

    Result: 

    OK 

    Go to next step 

  9. CHECK HARNESS AND CONNECTOR (FUEL LID LOCK WITH MOTOR ASSEMBLY - AUXILIARY BATTERY) 
    1. Disconnect the M22 fuel lid lock with motor assembly connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      M22-1 - Body ground Power switch off 11 to 14 V
      GTY431779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Fuel Lid Lock with Motor Assembly)
      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    Go to next step 

  10. CHECK HARNESS AND CONNECTOR (FUEL LID LOCK WITH MOTOR ASSEMBLY - ECM) 
    1. Disconnect the M22 fuel lid lock with motor assembly connector.
    2. Disconnect the A43 ECM connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M22-2 - A43-7 (FUO) Always Below 1 Ω
      M22-2 or A43-7 (FUO) - Body ground Always 10 kΩ or higher
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ECM.  Refer to REMOVAL [02/2014 - 11/2016]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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