Lighting System Illumination Circuit

Body Electrical. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Lighting. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (MAIN BODY ECU)

INSPECT FUSE (DOME)

INSPECT ROOM LIGHT ASSEMBLY

INSPECT ROOM LIGHT BULB

CHECK HARNESS AND CONNECTOR (BATTERY - ROOM LIGHT AND JUNCTION BLOCK)

INSPECT MAP LIGHT BULB

INSPECT MAP LIGHT

CHECK WIRE HARNESS (BATTERY - MAP LIGHT AND JUNCTION BLOCK)

INSPECT IGNITION KEY CYLINDER LIGHT

CHECK WIRE HARNESS (INSTRUMENT PANEL JUNCTION BLOCK - BATTERY)

LIGHTING SYSTEM - Illumination Circuit


DESCRIPTION

The main body ECU receives information regarding the door courtesy switch and door lock position switch, and turns on the room light assembly.

WIRING DIAGRAM


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit


INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (MAIN BODY ECU)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch on (IG) and press the intelligent tester main switch ON.

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

    Main body ECU
    Item
    		Test Details
    		Diagnostic Note
    Illumi Output
    		Test Details:
    Turn interior light and key illumination ON/OFF
    Vehicle Condition:
    Room light SW is in DOOR position and all doors are closed
    		-
    OK:
    Headlights (LOW) come on.


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


2.INSPECT FUSE (DOME)

  1. Remove the DOME fuse from the engine room No. 2 relay block.

  1. Measure the resistance of the fuse.

    Standard resistance:
    Below 1 Ω


NG
REPLACE FUSE
OK


3.INSPECT ROOM LIGHT ASSEMBLY
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Remove the room light assembly.

  1. Measure the resistance of the room light switch base.

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


NG
REPLACE ROOM LIGHT ASSEMBLY
OK


4.INSPECT ROOM LIGHT BULB
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Remove the room light assembly.

  1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, then check that the bulb illuminates when the switch is in the DOOR position.

    OK:
    Bulb illuminates.

  1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 3, then check that the bulb illuminates when the switch is in the ON position.

    OK:
    Bulb illuminates.


NG
REPLACE BULB
OK


5.CHECK HARNESS AND CONNECTOR (BATTERY - ROOM LIGHT AND JUNCTION BLOCK)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Disconnect the IK instrument panel junction block connector.

  1. Measure the voltage of the wire harness side connector.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    IK-2 - Body ground
    		Room light switch in DOOR position
    		10 to 14 V


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


6.INSPECT MAP LIGHT BULB
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Remove the map light assembly.

  1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 1, then check that the bulb illuminates when the switch is in the DOOR position.

    OK:
    Bulb illuminates.

  1. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 7, then check that the bulb illuminates when the switch is in the ON position.

    OK:
    Bulb illuminates.


OK
Go to step 9
NG


7.INSPECT MAP LIGHT

  1. Remove the map light assembly.

  1. Replace the map light bulb.



    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Inspect the map light.

    1. 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.


      2. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

    2. 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.


NG
REPLACE MAP LIGHT ASSEMBLY
OK


8.CHECK WIRE HARNESS (BATTERY - MAP LIGHT AND JUNCTION BLOCK)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Disconnect the IK instrument panel junction block connector.

  1. Measure the voltage of the wire harness side connector.

    Standard voltage:
    Tester Connection
    		Condition
    		Specified Condition
    IK-2 - Body ground
    		Room light switch in DOOR position
    		10 to 14 V


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK


9.INSPECT IGNITION KEY CYLINDER LIGHT


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. RHD and w/o Entry and start system, w/ Engine immobiliser system

    1. Remove the transponder key amplifier.

    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.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. w/ Entry and start system and w/o Engine immobiliser 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 comes on.


NG
REPLACE IGNITION KEY CYLINDER LIGHT
OK


10.CHECK WIRE HARNESS (INSTRUMENT PANEL JUNCTION BLOCK - BATTERY)
Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.Lighting.Lighting System.Lighting System Illumination Circuit

  1. Disconnect the IE instrument panel junction block connector.

  1. Measure the voltage of the wire harness side connector.

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


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)