LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

A004KV1E10
*1 Engine Switch
*2 Certification ECU (Smart Key ECU Assembly)

CAUTION / NOTICE / HINT

Note


  • Before performing the following inspection, check that the engine switch illumination has not been turned off using the rheostat function.

  • The engine switch illumination can be turned off by using the rheostat knob to select the minimum illuminance level with the taillights on.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    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 / Active Test.

    5. Check that the illumination operates.

      OK
      Engine switch illumination comes on.
      Main Body
      Tester Display Test Part Control Range Diagnostic Note
      Illuminated Entry System Engine switch illumination ON/OFF -

    OK

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

    NG

  2. INSPECT ENGINE SWITCH


    1. Remove the engine switch Click here.

    2. Inspect the engine switch Click here.

      OK
      Engine switch illumination comes on.

    NG

    REPLACE ENGINE SWITCH Click here

    OK

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


    1. Disconnect the D41 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the D25 engine switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D41-16 (SWIL) - D25-9 (SWIL) Always Below 1 Ω
      D41-24 (AGND) - D25-6 (AGND) Always Below 1 Ω
      D41-16 (SWIL) - Body ground Always 10 kΩ or higher
      D41-24 (AGND) - Body ground Always Below 1 Ω

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR