Inspection Procedure: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Active Test.
5. Check the operation.
   MAIN BODY (MAIN BODY ECU)
   
   

   Tester Display	Test Part	Control Range	Diagnostic Note
   Illuminated Entry System	Personal light*1 and room light (Personal switch OFF, Interior light switch is in DOOR position and all doors are closed)	ON/OFF	-

   HINT: 

   *1: w/ Sliding Roof

   OK

   Each light fades in.

NG → See step   2 

OK → See step   4 

1. Remove the DOME fuse from the engine room relay block.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Display	Condition	Specified Condition
   DOME fuse	Always	Below 1 Ω

NG → REPLACE FUSE 

OK: Go to next step 

1. Disconnect the 2K instrument panel junction block assembly connector.
   Fig 1: 2K Instrument Panel Junction Block Assembly Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   2K-2 (ILE) - Body ground	Always	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)