LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostics & Circuit Tests - (Hybrid) >> Lighting System >> Circuit Tests >> Back Door Courtesy Switch Circuit [11/2016 - ] >> Procedure

Back Door Courtesy Switch Circuit [11/2016 - ]: Procedure

  1. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      w/ Power Back Door System A
      w/o Power Back Door System B

    Result:  2

    B 

    See step  10

    Result:  1

    A 

    See step  2

  2. 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.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Back Door Courtesy SW Back door courtesy light switch signal ON or OFF ON: Back door open
      OFF: Back door closed      		 -
      Glass Hatch Courtesy Switch Back door glass courtesy light switch signal ON or OFF ON: Glass hatch open
      OFF: Glass hatch closed      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      Back Door Courtesy SW
      Glass Hatch Courtesy Switch

      Body Electrical > Back Door > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Courtesy SW Back door courtesy light switch signal ON or OFF ON: Back door open
      OFF: Back door closed      		 -

      Body Electrical > Back Door > Data List 

      Tester Display
      Courtesy SW

      OK

      Normal conditions listed above are displayed.

      Result

      Result Proceed to
      OK A
      NG (Back door courtesy light switch does not operate) (Main Body ECU (Multiplex Network Body ECU)) B
      NG (Back door glass courtesy light switch does not operate) C
      NG (Back door courtesy light switch does not operate) (Multiplex Network Door ECU) D

    Result:  1

    A 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [02/2014 - ]  

    Result:  3

    C 

    See step  6

    Result:  4

    D 

    See step  8

    Result:  2

    B 

    See step  3

  3. INSPECT BACK DOOR LOCK ASSEMBLY 
    1. Remove the back door lock assembly.

      Refer to REMOVAL [11/2016 - ]

    2. Inspect the back door courtesy light switch built into the back door lock assembly.

      Refer to INSPECTION [11/2016 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE BACK DOOR LOCK ASSEMBLY. Refer to  REMOVAL [11/2016 - ] 

    Result:  1

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK 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
      X19-3 (CTY) - 4H-33 Always Below 1 Ω
      X19-3 (CTY) or 4H-33 - Body ground Always 10 kΩ or higher
      X19-4 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  5

  5. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 
    GTY456111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Component without harness connected
    (Instrument Panel Junction Block Assembly)    		 - -
    1. Remove the instrument panel junction block assembly.

      Refer to REMOVAL [11/2016 - ]

    2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Refer to REMOVAL [11/2016 - ]

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4H-33 - MB-4 (BCTY) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2016 - ] 

    Result:  2

    NG 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [11/2016 - ] 

  6. INSPECT BACK WINDOW LOCK ASSEMBLY 
    1. Remove the back window lock assembly.

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the back door glass courtesy light switch built into the back window lock assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE BACK WINDOW LOCK ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

    Result:  1

    OK 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (BACK WINDOW LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the F18 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
      X11-1 (+) - F18-27 (GCTY) Always Below 1 Ω
      X11-1 (+) or F18-27 (GCTY) - Body ground Always 10 kΩ or higher
      X11-2 (-) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2016 - ] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  8. INSPECT BACK DOOR LOCK ASSEMBLY 
    1. Remove the back door lock assembly.

      Refer to REMOVAL [11/2016 - ]

    2. Inspect the back door courtesy light switch built into the back door lock assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE BACK DOOR LOCK ASSEMBLY. Refer to  REMOVAL [11/2016 - ] 

    Result:  1

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the X6 multiplex network door ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      X19-3 (CTY) - X6-19 (FUL) Always Below 1 Ω
      X19-3 (CTY) or X6-19 (FUL) - Body ground Always 10 kΩ or higher
      X19-4 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE MULTIPLEX NETWORK DOOR ECU. Refer to  REMOVAL [11/2016 - ] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. 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.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Back Door Courtesy SW Back door courtesy light switch signal ON or OFF ON: Back door open
      OFF: Back door closed      		 -

      Body Electrical > Main Body > Data List 

      Tester Display
      Back Door Courtesy SW

      OK

      Normal conditions listed above are displayed.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [02/2014 - ]  

    Result:  2

    NG 

    See step  11

  11. INSPECT BACK DOOR LOCK ASSEMBLY 
    1. Remove the back door lock assembly.

      Refer to REMOVAL [11/2016 - ]

    2. Inspect the back door courtesy light switch built into the back door lock assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPLACE BACK DOOR LOCK ASSEMBLY. Refer to  REMOVAL [11/2016 - ] 

    Result:  1

    OK 

    See step  12

  12. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the 4H instrument panel junction block assembly connector.
    2. Disconnect the M23 No. 1 room light assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      X32-3 (D+) - 4H-33 Always Below 1 Ω
      X32-3 (D+) or 4H-33 - Body ground Always 10 kΩ or higher
      X32-1 (ACT-) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  13

  13. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY 
    GTY450154Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Component without harness connected
    (Instrument Panel Junction Block Assembly)    		 - -
    1. Remove the instrument panel junction block assembly.

      Refer to REMOVAL [11/2016 - ]

    2. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Refer to REMOVAL [11/2016 - ]

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4H-33 - MB-4 (BCTY) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2016 - ] 

    Result:  2

    NG 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [11/2016 - ] 

scientia non olet · About LEMON Manuals