Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY TECHSTREAM

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / Main Body / Active Test.

Check the operation.

Main Body (Main Body ECU)

MAIN BODY (MAIN BODY ECU) - ACTIVE TEST

Tester Display	Test Part	Control Range	Diagnostic Note
Illuminated Entry System	Interior light and key Illumination (Interior light SW is in Door position and all doors are closed)	ON / OFF	-

OK:

Light comes on.

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

NG: Go to next step

INSPECT FUSE (DOME)
1. Remove the DOME fuse from the engine room No. 2 relay block.
2. Measure the resistance of the fuse.
  Standard resistance:
  
  Below 1 Ω
NG: REPLACE FUSE

OK: Go to next step

INSPECT ROOM LIGHT ASSEMBLY

Remove the room light assembly.

Measure the resistance of the room light switch base.

Standard resistance

STANDARD RESISTANCE

Tester Connection	Switch Condition	Specified Condition
1 - 2 1 - 3	OFF	10 kΩ or higher
1 - 2	DOOR	Below 1 Ω
1 - 3	ON	Below 1 Ω

Fig 1: Identifying Room Light Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE ROOM LIGHT ASSEMBLY

OK: Go to next step

INSPECT ROOM LIGHT BULB
1. Remove the room light assembly.
2. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the light comes on when the switch is in the DOOR position.
  OK:
  
  Light comes on.
3. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 3, then check that the light comes on when the switch is in the ON position.
  OK:
  
  Light comes on.
  
  Fig 2: Identifying Room Light Switch Connector Terminals
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE BULB

OK: Go to next step

CHECK HARNESS AND CONNECTOR (BATTERY - ROOM LIGHT AND MAIN BODY ECU)

Disconnect the IK instrument panel junction block connector.

Measure the voltage of the wire harness side connector.

Standard voltage

STANDARD VOLTAGE

Tester Connection	Condition	Specified Condition
IK-2 (ILE) - Body ground	Room light switch in DOOR position	10 to 14 V

Fig 3: Identifying IK Instrument Panel Junction Block Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step

INSPECT MAP LIGHT BULB
1. Remove the map light assembly.
2. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the light comes on when the switch is in the DOOR position.
  OK:
  
  Light comes on.
  
  Fig 4: Connecting Battery To Terminals 6 And 1
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 7, then check that the light comes on when the switch is in the ON position.
  OK:
  
  Light comes on.
  
  Fig 5: Connecting BAttery Terminals To 6 And 7
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
OK: Go to step 8

NG: Go to next step
INSPECT MAP LIGHT
1. Replace the map light bulb with a normally functioning one or a new one.
2. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the light comes on when the switch is in the DOOR position.
  OK:
  
  Light comes on.
  
  Fig 6: Connecting Battery To Terminals 6 And 1
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 7, then check that the light comes on when the switch is in the ON position.
  OK:
  
  Light comes on.
  
  Fig 7: Connecting Battery To Terminals 6 And 7
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE MAP LIGHT ASSEMBLY

OK: REPLACE MAP LIGHT BULB

CHECK WIRE HARNESS (BATTERY - MAP LIGHT AND MAIN BODY ECU)

Disconnect the IK instrument panel junction block connector.

Measure the voltage of the wire harness side connector.

Standard voltage

STANDARD VOLTAGE

Tester Connection	Condition	Specified Condition
IK-2 (ILE) - Body ground	Room light switch in DOOR position	10 to 14 V

Fig 8: Identifying IK Instrument Panel Junction Block Connector Terminals

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: Go to next step

INSPECT IGNITION KEY CYLINDER LIGHT
1. w/ Engine Immobilizer System
  1. Remove the transponder key amplifier (ignition key cylinder light).
  2. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 6, then check that the light comes on.
    OK:
    
    Light comes on.
    
    Fig 9: Inspecting Ignition Key Cylinder Light (W/Engine Immobilizer System)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. w/o Engine Immobilizer System
  1. Remove the ignition key cylinder light.
  2. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, then check that the light comes on.
    OK:
    
    Light conies on.
    
    Fig 10: Inspecting Ignition Key Cylinder Light (W/O Engine Immobilizer System)
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE IGNITION KEY CYLINDER LIGHT

OK: Go to next step

CHECK WIRE HARNESS (BATTERY - MAIN BODY ECU)

Disconnect the IE instrument panel junction block connector.

Measure the voltage of the wire harness side connector.

STANDARD VOLTAGE

Tester Connection	Specified Condition
IE-27 (ILE) - Body ground	10 to 14 V

Fig 11: Locating IE Instrument Panel Junction Block Connector

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK