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Home >> Lexus >> 2010 >> HS 250h >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Luggage Compartment Door Opener (Diagnostics) >> Luggage Compartment Door Opener System >> Luggage Compartment Door Opener does not Operate >> Procedure

Luggage Compartment Door Opener does not Operate: Procedure

  1. CHECK LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH) 
    1. When the luggage compartment door opener main switch is on, push the luggage compartment door opener inner switch and check that the luggage compartment door opens.
      Fig 1: Identifying Luggage Compartment Door Opener Switch
      GTY255526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Luggage compartment door opener system operates normally.

    2. When the luggage compartment door opener main switch is off, push the luggage compartment door opener inner switch and check that the luggage compartment door does not open.

      OK

      Luggage compartment door opener system does not operate.

      TEXT IN ILLUSTRATION

      *1 Luggage Compartment Door Opener Main Switch

    NG → See step   2 

    OK → END 

  2. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Active Test.
    5. Perform the Active Test according to the display on the Techstream.
      MAIN BODY

      Tester Display Test Part Control Range Diagnostic Note
      Trunk and Back-Door Open Operate luggage compartment door lock motor ON/OFF This test will open the trunk

      OK

      Luggage compartment door lock motor operates.

    NG → See step   8 

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Main Body / Data List.
    5. Read the Data List according to the display on the Techstream.
      MAIN BODY

      Tester Display Measurement Item/Range Normal Condition
      Trunk/BDoor Open SW Luggage door opener inner switch signal/ON or OFF ON: Luggage compartment door opener inner switch is pushed
      OFF: Luggage compartment door opener inner switch is not pushed
      Trunk Main SW Luggage door opener main switch signal/ON or OFF ON: Luggage compartment door opener main switch is pushed
      OFF: Luggage compartment door opener main switch is not pushed

      OK

      On the Techstream screen, each item changes between ON and OFF according to the above.

      Result

      Result Proceed to
      NG (Luggage compartment door opener inner switch is abnormal) A
      NG (Luggage compartment door opener main switch is abnormal) B
      OK (Luggage compartment door opener main switch and luggage compartment door opener inner switch are normal) C

    C → See step   11 

    B → See step   6 

    A: Go to next step 

  4. INSPECT LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH 
    1. Remove the luggage compartment door opener inner switch. Refer toREMOVAL .
      Fig 2: Identifying F71 Luggage Compartment Door Opener Inner Switch
      GTY256533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      F71-4 (B) - F71-3 (L) Pushed (ON) Below 1 Ω
      F71-4 (B) - F71-3 (L) Not pushed (OFF) 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *1 Component without harness connected
      (Luggage Compartment Door Opener Inner Switch)

    NG → See step   12 

    OK: Go to next step 

  5. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH - MAIN BODY ECU) 
    1. Disconnect the F7 main body ECU (multiplex network body ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F7-5 (TSW) - F71-4 (B) Always Below 1 Ω
      F7-5 (TSW) - Body ground Always 10 kΩ or higher
      F71-3 (L) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH - MAIN BODY ECU) 

    OK → See step   13 

  6. INSPECT LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH 
    1. Remove the luggage compartment door opener main switch. Refer toREMOVAL .
      Fig 3: Identifying Luggage Compartment Door Opener Main Switch Terminals
      GTY255495Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      F55-1 (L) - F55-2 (B) Not pushed (OFF) 10 kΩ or higher
      F55-1 (L) - F55-2 (B) Pushed (ON) Below 1 Ω
      TEXT IN ILLUSTRATION

      *1 Component without harness connected
      (Luggage Compartment Door Opener Main Switch)

    NG → See step   14 

    OK: Go to next step 

  7. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH - MAIN BODY ECU) 
    1. Disconnect the F7 main body ECU (multiplex network body ECU) connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F7-11 (TMSW) - F55-2 (B) Always Below 1 Ω
      F55-1 (L) - Body ground Always Below 1 Ω
      F7-11 (TMSW) - Body ground Always 10 kΩ or higher

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH - MAIN BODY ECU) 

    OK → See step   15 

  8. INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY 
    1. Remove the luggage compartment door lock assembly. Refer toREMOVAL .
      Fig 4: Identifying L34 Luggage Compartment Door Lock Assembly Connector Terminals
      GTY276793Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Move the door lock to the closed (locked) position.
    3. Apply auxiliary battery voltage to the door lock motor and check the operation of the door lock motor.

      OK

      Connection Result
      Auxiliary battery positive (+) → Terminal 1 (B)
      Auxiliary battery negative (-) → Terminal 2 (E)
      Luggage compartment door lock motor opens door lock
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L34-3 (D+) - L34-2 (E) Open (Unlocked) Below 1 Ω
      L34-3 (D+) - L34-2 (E) Closed (Locked) 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *1 Component without harness connected
      (Luggage Compartment Door Lock Assembly)
      *2 Closed (Locked)
      *3 Open (Unlocked)

    NG → See step   16 

    OK: Go to next step 

  9. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - MAIN BODY ECU) 
    1. Disconnect the 2D 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
      L34-1 (B) - 2D-9 (TR+) Always Below 1 Ω
      L34-1 (B) - Body ground Always 10 kΩ or higher
      L34-2 (E) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR (LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY - MAIN BODY ECU) 

    OK: Go to next step 

  10. INSPECT INSTRUMENT PANEL JUNCTION BLOCK 
    1. Remove the instrument panel junction block assembly. Refer toREMOVAL - Step 3 .
      Fig 5: Identifying 2D & MB Instrument Panel Junction Block Connector Terminals
      GTY281497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      MB-6 (TR+) - 2D-9 Always Below 1 Ω
      MB-6 (TR+) - Body ground Always 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *1 Component without harness connected
      (Instrument Panel Junction Block assembly)

    NG → See step   17 

    OK → See step   18 

  11. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL 
  12. REPLACE LUGGAGE COMPARTMENT DOOR OPENER INNER SWITCH. Refer to REMOVAL 
  13. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL 
  14. REPLACE LUGGAGE COMPARTMENT DOOR OPENER MAIN SWITCH. Refer to REMOVAL 
  15. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL 
  16. REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY. Refer to REMOVAL 
  17. REPLACE INSTRUMENT PANEL JUNCTION BLOCK. Refer to REMOVAL - Step 3 
  18. REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL