LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

A01HPA0E01

INSPECTION PROCEDURE

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 TECHSTREAM


    1. Connect the Techstream to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the Techstream on.

    4. Enter the following menus: Body Electrical / Main Body / Active Test.

    5. Check that the illumination operates.

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

    NG

    INSPECT ENGINE SWITCH Click here

    OK

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

  2. INSPECT ENGINE SWITCH


    1. Remove the engine switch Click here for 2AR-FE, Click here for 2GR-FE).

    2. Inspect the engine switch Click here for 2AR-FE, Click here for 2GR-FE).

      OK
      Engine switch illumination comes on.
      Result
      Result Proceed to
      OK A
      NG (for 2AR-FE) B
      NG (for 2GR-FE) C

    B

    REPLACE ENGINE SWITCH Click here

    C

    REPLACE ENGINE SWITCH Click here

    A

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


    1. Disconnect the I78 certification ECU (smart key ECU assembly) connector.

    2. Disconnect the I58 engine switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I58-9 (SWIL) - I78-16 (SWIL) Always Below 1 Ω
      I58-6 (AGND) - I78-24 (AGND) Always Below 1 Ω
      I58-9 (SWIL) - Body ground Always 10 kΩ or higher
      I58-6 (AGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) Click here