Step Illumination Circuit

LIGHTING SYSTEM: Step Illumination Circuit

Step Illumination Circuit

DESCRIPTION

The body ECU receives information regarding the door lock position switch and ignition switch, and turns on each step light. It also receives shift position information and controls the illumination.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST BY 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 / Body / Active Test.
(e) Check the operation.

Body (Body ECU)





NG -- INSPECT INTERIOR LIGHT
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT INTERIOR LIGHT
(a) Inspect the step light Step Light Assembly.
NG -- REPLACE INTERIOR LIGHT
OK -- Continue to next step.
3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
(a) Measure the voltage according to the value(s) in the table below.





Voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE