Inspection Procedure

HINT:

Start the inspection from step  1 in the case of using the intelligent tester, and start from step  2 in the case of not using the intelligent tester.

1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER 
   1. Connect the intelligent tester to DLC3.
   2. Turn the ignition switch ON and push the intelligent tester main switch ON.
   3. Select the item below in the ACTIVE TEST and then check that the relay operates.

   Body: 

   ACTIVE TEST TABLE
   
   

   Item	Test Details	Diagnostic Note
   ILLUMI OUTPUT	(Test Details) Turns Interior light and Key illumination ON/OFF (Vehicle Condition) Interior light SW is in Door position and all doors are closed	-

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

   NG: Go to next step. 

2. INSPECT ILLUMINATION LIGHT 
   Fig 1: Identifying Transponder Key Amplifier Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Inspect the transponder key amplifier (ignition key cylinder light)
      1. Connect the battery positive (+) lead to terminal 2 and the battery negative (-) lead to terminal 6, and check that the indicator light comes on.
   2. Inspect the map light assembly (personal light)
      Fig 2: Identifying Map Light Assembly Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check continuity between terminals at each switch position as shown in the table.

         Standard resistance 

         TESTER CONNECTION SPECIFIED CONDITION TABLE
         
         

         Switch operation	Tester Connection	Specified Condition
         OFF	-	10 kΩ or higher
         DOOR	7 (+B) - 2 (DOOR)	Below 1 Ω

   3. Inspect the room light assembly No. 1 (interior light)
      Fig 3: Identifying Room Light Assembly No. 1 Connector Terminals

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check continuity between terminals at each switch position as shown in the table.

         Standard resistance 

         TESTER CONNECTION SPECIFIED CONDITION TABLE
         
         

         Switch operation	Tester Connection	Specified Condition
         OFF	-	10 kΩ or higher
         DOOR	1 - 2	Below 1 Ω

   NG: REPLACE ILLUMINATION LIGHT 

   OK: Go to next step. 

3. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (ILE) 
   Fig 4: Identifying Instrument Panel Junction Block Assembly Connector Terminals (ILE) - Front Side

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Measure the voltage between terminal ILE of the instrument panel J/B assembly (driver side J/B assembly) and body ground.

      Standard voltage 

      TERMINAL SPECIFIED CONDITION
      
      

      Terminal No. (Symbols)	Condition	Specified Condition
      IA-8, IA-16, IK-9 - Body ground (ILE - Body ground)	Interior light SW is in Door position and doors all closed → One of the door opened	10 to 14 V → 0 V

   Fig 5: Identifying Instrument Panel Junction Block Assembly Connector Terminals (ILE) - Back Side
   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   2. Back side of instrument panel J/B assembly (driver side J/B).

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

   NG: REPAIR OR REPLACE HARNESS OR CONNECTOR