LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

B003LRJE02
*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 Service Bulletin.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch to ON.

    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.


      Body Electrical > Entry&Start > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Power/Engine SW Light Engine switch illumination OFF or ON w/ Smart Entry and Start System

      Body Electrical > Entry&Start > Active Test
      Tester Display
      Power/Engine SW Light
      OK
      Engine switch illumination comes on.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

  2. INSPECT ENGINE SWITCH (ENGINE SWITCH ILLUMINATION)


    1. Remove the engine switch (engine switch illumination).


    2. Inspect the engine switch (engine switch illumination).


      OK
      Engine switch illumination is normal.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ENGINE SWITCH (ENGINE SWITCH ILLUMINATION) 1GR-FE (for LHD) Click here 1GR-FE (for RHD) Click here 1GD-FTV Click here 2GD-FTV Click here 2TR-FE (for LHD) Click here 2TR-FE (for RHD) Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH (ENGINE SWITCH ILLUMINATION) - CERTIFICATION ECU [SMART KEY ECU ASSEMBLY])


    1. Disconnect the G45 engine switch (engine switch illumination) connector.

    2. Disconnect the G16 certification ECU (smart key ECU assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G45-9 (SWIL) - G16-19 (SWIL) Always Below 1 Ω
      G45-6 (AGND) - G16-24 (AGND) Always Below 1 Ω
      G45-9 (SWIL) or G16-19 (SWIL) - Body ground Always 10 kΩ or higher
      G45-6 (AGND) or G16-24 (AGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR