Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY INTELLIGENT TESTER

Connect the intelligent tester to the DLC3.
Turn the ignition switch to the ON position and press the intelligent tester main switch ON.

Select the items below in the ACTIVE TEST, and then check that the light comes on.

BODY

ITEM CONDITION CHART

Item	Test Details	Diagnostic Note
CONSOLE LIGHT	Center console illumination ON/OFF	-

NG: Go to step 2

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

INSPECT PERSONAL LIGHT ASSEMBLY
1. Disconnect the overhead junction block connector.
2. Connect the positive (+) lead from the battery to the terminal 13 and negative (-) lead from the battery to the terminal 4.
3. Inspect the overhead console illumination light comes on.
  
  Fig 1: Identifying O2 Overhead Junction Block Connector Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE PERSONAL LIGHT ASSEMBLY

OK: Go to Next step

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

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

Fig 2: Identifying Multiplex Network Body ECU Connector Terminals

Voltage

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
B5-14 - 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