Engine Switch Illumination Circuit

LIGHTING (INT): LIGHTING SYSTEM: Engine Switch Illumination Circuit

Engine Switch Illumination Circuit

DESCRIPTION

The illuminated entry system controls the engine switch illumination.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Active Test.
(e) Check that the the illumination operates.

Smart Key





OK:
Engine switch illumination comes on.

NG -- INSPECT ENGINE SWITCH
OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT ENGINE SWITCH
(a) Remove the engine switch Components.




(b) Apply battery voltage to the engine switch.
(c) Check that the illumination comes on.
OK:





Text in Illustration





NG -- REPLACE ENGINE SWITCH
OK -- Continue to next step.

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




(a) Disconnect the D25 certification ECU (smart Key ECU Assembly) connector.
(b) Disconnect the D13 engine switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)