LIGHTING SYSTEM > Illumination Circuit

for Preparation Click here


DESCRIPTION

The body ECU controls the illumination light as shown below.
  1. Ignition key cylinder light
  2. Scuff plate illumination
  3. Front room light

WIRING DIAGRAM


B110602E02


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to the ON position and press the intelligent tester main switch ON.

  1. Select the items below in the ACTIVE TEST and then check that the relay operates.

    BODY NO.1 
    Item
    		Test Details
    		Diagnostic Note
    Illuminated Entry System
    		(Test Details)
    Turn Interior light and Key illumination ON/OFF
    (Vehicle Condition)
    Interior light SW is in Door position and all doors are closed
    		-



NG
Go to step 2
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

2.INSPECT INTERIOR LIGHT

  1. Inspect ignition key cylinder light (Click here).

  1. Inspect scuff plate illumination (Click here).

  1. Inspect front room light (Click here).



NG
REPLACE INTERIOR LIGHT
OK


3.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


  1. Measure the voltage according to the value(s) in the table below.


    E111840E01

    Voltage:
    Tester connection
    		Condition
    		Specified condition
    1I-10 - Body ground
    		All door is closed → Front or rear door is open
    		10 to 14 V → Below 1 V
    1M-1 - Body ground
    		All door is closed → Front or rear door is open
    		10 to 14 V → Below 1 V
    1R-5 - Body ground
    		All door is closed → Front or rear door is open
    		10 to 14 V → Below 1 V



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE