LIGHTING SYSTEM Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM

A017EQJE06

INSPECTION PROCEDURE

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch on (IG).

    3. Turn the intelligent tester on.

    4. Select the following menu items: Body Electrical / Main Body / Active Test.

    5. Check the operation.

      Main Body:
      Tester Display Test Part Control Range Diagnostic Note
      Indicator for Lighting Engine switch illumination ON / OFF -
      OK
      Engine switch illumination comes on.

    NG

    INSPECT ENGINE SWITCH Click here

    OK

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. INSPECT ENGINE SWITCH


    1. Remove the engine switch.

      A017BKJE33

    2. Apply battery voltage to the engine switch.

    3. Check that the illumination comes on.

      OK
      Measurement Condition Specified Condition

      Battery positive (+) → Terminal 11 (SWIL)

      Battery negative (-) → Terminal 5 (GND) or 4 (COM)

      		 Engine switch illumination comes on

    NG

    REPLACE ENGINE SWITCH

    OK

  3. CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - MAIN BODY ECU AND BODY GROUND)


    1. A017EMSE07

      Disconnect the D7 main body ECU connector.

    2. Disconnect the D22 engine switch connector.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      D22-11 (SWIL) - D7-25 (SWIL) Always Below 1 Ω
      D22-4 (COM) or D22-5 (GND) - Body ground Always Below 1 Ω
      D22-11 (SWIL) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)