LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

B0019VOE43
*1 Engine Switch
*2 Certification ECU (Smart Key ECU Assembly)

CAUTION / NOTICE / HINT

Note

Before replacing the certification ECU (smart key ECU assembly), refer to the entry and start system (for entry function) precaution Click here.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Entry&Start / Active Test.

    5. Perform the Active Test according to the display on the GTS.

      Entry&Start
      Tester Display Test Part Control Range Diagnostic Note
      Power/Engine SW Light Engine switch illumination ON/OFF -
      OK
      Engine switch illumination comes on.

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. INSPECT ENGINE SWITCH


    1. Remove the engine switch.


    2. Inspect the engine switch.


      Result
      Result Proceed to
      OK A
      NG (for 3UR-FE) B
      NG (for 1VD-FTV) C

    B

    REPLACE ENGINE SWITCH Click here

    C

    REPLACE ENGINE SWITCH Click here

    A

  3. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - ECU AND BODY GROUND)


    1. Disconnect the E151 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the E134 engine switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E134-9 (SWIL) - E151-17 (SWIL) Always Below 1 Ω
      E134-6 (AGND) - E151-12 (AGND) Always Below 1 Ω
      E134-9 (SWIL) or E151-17 (SWIL) - Body ground Always 10 kΩ or higher
      E134-6 (AGND) or E151-12 (AGND) - Body ground Always 10 kΩ or higher

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR