THEFT DETERRENT SYSTEM Engine Hood Courtesy Switch Circuit

DESCRIPTION

The hood courtesy switch is built into the hood lock assembly. This switch turns on when the hood is closed and turns off when the hood is opened.

WIRING DIAGRAM

A001VDRE08

CAUTION / NOTICE / HINT

Note

Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.

PROCEDURE


  1. READ VALUE USING GTS (HOOD COURTESY SW)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Main Body > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Hood Courtesy SW Hood courtesy switch ON or OFF

      ON: Hood open

      OFF: Hood closed

      		 -

      Body Electrical > Main Body > Data List
      Tester Display
      Hood Courtesy SW
      OK
      The GTS display changes correctly in response to the hood courtesy switch (hood lock assembly) status.
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    A

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    B

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    C

  2. INSPECT HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)


    1. Remove the hood courtesy switch (hood lock assembly).

      Click here

    2. Inspect the hood courtesy switch (hood lock assembly).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) - HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) - BODY GROUND)


    1. Disconnect the F15 main body ECU (multiplex network body ECU) connector.

    2. Disconnect the A8 hood courtesy switch (hood lock assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F15-11 (HCTY) - A8-1 (+) Always Below 1 Ω
      F15-11 (HCTY) or A8-1 (+) - Body ground Always 10 kΩ or higher
      A8-2 (E) - Body ground Always Below 1 Ω
      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    A

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    B

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR