LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

B006OTUE14
*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 smart entry and start system (for Entry Function) precaution.

Click here

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (POWER/ENGINE SW LIGHT)


    1. Using the GTS, perform the Active Test.

      Click here


      Body Electrical > Entry&Start > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Power/Engine SW Light Engine switch illumination ON or OFF Approximately 20 seconds after turning the engine switch off with all the doors closed, check the operation once the engine switch lettering illumination turns off.

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

    OK

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

    NG

  2. INSPECT ENGINE SWITCH


    1. Remove the engine switch.

      for 2AR-FE:

      Click here

      for 2GR-FE:

      Click here

    2. Inspect the engine switch.

      for 2AR-FE:

      Click here

      for 2GR-FE:

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE ENGINE SWITCH for 2AR-FE: REPLACE ENGINE SWITCH Click here
    REPLACE ENGINE SWITCH for 2GR-FE: REPLACE ENGINE SWITCH Click here

    OK

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


    1. Disconnect the G24 engine switch connector.

    2. Disconnect the G22 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
      G24-9 (SWIL) - G22-17 (SWIL) Always Below 1 Ω
      G24-6 (AGND) - G22-12 (AGND) Always Below 1 Ω
      G24-9 (SWIL) or G22-17 (SWIL) - Body ground Always 10 kΩ or higher
      G24-6 (AGND) or G22-12 (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