THEFT DETERRENT SYSTEM Engine Hood Courtesy Switch Circuit

DTC Code DTC Name
Engine Hood Courtesy Switch Circuit

DESCRIPTION

The engine hood courtesy switch is installed together with the hood lock. This switch turns on when the engine hood is closed and turns off when the engine hood is opened.

WIRING DIAGRAM

B332809E01

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. According to the display on the GTS, read the Data List.

      Body Electrical > Main Body > Data List

      Tester Display

      Measurement Item

      Range

      Normal Condition

      Diagnostic Note

      Hood Courtesy SW

      Engine hood courtesy switch

      ON or OFF

      ON: Engine hood open

      OFF: Engine hood closed

      -

      Body Electrical > Main Body > Data List

      Tester Display

      Hood Courtesy SW

      OK

      The indicator on the GTS switches between ON and OFF in accordance with the engine hood courtesy switch (hood lock assembly) status.

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG
  2. INSPECT ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)

    1. Remove the hood lock assembly.

      Click here

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

      Click here

    Result

    Proceed to

    OK

    NG

    NG

    REPLACE ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)

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

    1. Disconnect the E108 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

      A60-2 (+) - E108-5 (HCTY)

      Always

      Below 1 Ω

      A60-2 (+) - Body ground

      Always

      10 kΩ or higher

      E108-5 (HCTY) - Body ground

      Always

      10 kΩ or higher

      A60-1 (E) - Body ground

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR