LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

A01FIH7E03

INSPECTION PROCEDURE

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 (ENGINE SWITCH)


    1. Using the GTS, perform the Active Test Click here.

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

    NG

    INSPECT ENGINE SWITCH Click here

    OK

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

  2. INSPECT ENGINE SWITCH


    1. for 2GR-FSE


      1. Remove the engine switch Click here.

      2. Inspect the engine switch Click here.

    2. for 4GR-FSE


      1. Remove the engine switch Click here.

      2. Inspect the engine switch Click here.

        Result
        Result Proceed to
        OK A
        NG (for 2GR-FSE) B
        NG (for 4GR-FSE) 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])


    1. Disconnect the N43 engine switch connector.

    2. Disconnect the N93 certification ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N43-9 (SWIL) - N93-16 (SWIL) Always Below 1 Ω
      N43-6 (AGND) - N93-24 (AGND)
      N43-9 (SWIL) - Body ground Always 10 kΩ or higher
      N43-6 (AGND) - Body ground

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)