Lighting System Overhead Console Illumination Light Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CENTER CONSOLE SPOT LIGHT)

INSPECT MAP LIGHT ASSEMBLY

CHECK HARNESS AND CONNECTOR (BATTERY - MAP LIGHT ASSEMBLY)

CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU)

LIGHTING SYSTEM - Overhead Console Illumination Light Circuit


DESCRIPTION

The main body ECU controls the center console spot light.

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Lighting (Int).Lighting System.Lighting System  Overhead Console Illumination Light Circuit


INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CENTER CONSOLE SPOT LIGHT)
  1. Using the intelligent tester, perform the Active Test (LandCruiser RM000000PKV0J5X.html).

    Main Body
    Tester Display
    Test Part
    Control Range
    Diagnostic Note
    Cent Consol Spot LGT
    Center console spot light
    ON/OFF
    -
    OK:
    Center console spot light comes on.


NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (LandCruiser RM000002CE20QGX.html)

2.INSPECT MAP LIGHT ASSEMBLY


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Lighting (Int).Lighting System.Lighting System  Overhead Console Illumination Light Circuit
  1. Remove the map light (LandCruiser RM000003YO9019X.html).

  1. Connect a positive (+) lead from the battery to terminal 21 (B1) and a negative (-) lead to terminal 4 (ILLB).

  1. Check that the center console spot light comes on.

    OK:
    Center console spot light comes on.


NG
REPLACE MAP LIGHT ASSEMBLY (LandCruiser RM000003YO9019X.html)
OK


3.CHECK HARNESS AND CONNECTOR (BATTERY - MAP LIGHT ASSEMBLY)


    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Lighting (Int).Lighting System.Lighting System  Overhead Console Illumination Light Circuit
  1. Disconnect the W7 map light connector.

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

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    W7-21 (B1) - Body ground
    Battery saving control (interior light auto cut function) not operating
    11 to 14 V
    Text in Illustration
    *a
    Front view of wire harness connector
    (to Map Light Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU)
  1. Disconnect the W7 map light connector.

  1. Disconnect the G65 main body ECU connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    W7-4 (ILLB) - G65-5 (CSPT)
    Always
    Below 1 Ω
    W7-4 (ILLB) - Body ground
    Always
    10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (LandCruiser RM000003WBO05FX.html)