Interior Light Circuit

LIGHTING (INT): LIGHTING SYSTEM: Interior Light Circuit

Interior Light Circuit

DESCRIPTION

The illuminated entry system controls the personal light*1, center room light and rear room light according to the door courtesy switch, door lock position switch, and ignition switch conditions.
HINT: *1: w/ Sliding Roof

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 / Main Body / Active Test.
(e) Check the operation.

Main Body (Main Body ECU)





HINT: *1: w/ Sliding Roof

OK:
Each light fades in.
NG -- INSPECT FUSE (DOME)
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. INSPECT FUSE (DOME)
(a) Remove the DOME fuse from the engine room relay block.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE FUSE
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (BATTERY - INSTRUMENT PANEL JUNCTION BLOCK)




(a) Disconnect the 2K instrument panel junction block assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)