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
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) |
Using the intelligent tester, perform the Active Test (LandCruiser RM000000PKV0J5X.html).
Main BodyTester Display
| Test Part
| Control Range
| Diagnostic Note
|
Cent Consol Spot LGT
| Center console spot light
| ON/OFF
| -
|
- OK:
- Center console spot light comes on.
2.INSPECT MAP LIGHT ASSEMBLY |
Remove the map light (LandCruiser RM000003YO9019X.html).
Connect a positive (+) lead from the battery to terminal 21 (B1) and a negative (-) lead to terminal 4 (ILLB).
Check that the center console spot light comes on.
- OK:
- Center console spot light comes on.
3.CHECK HARNESS AND CONNECTOR (BATTERY - MAP LIGHT ASSEMBLY) |
Disconnect the W7 map light connector.
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)
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4.CHECK HARNESS AND CONNECTOR (MAP LIGHT ASSEMBLY - MAIN BODY ECU) |
Disconnect the W7 map light connector.
Disconnect the G65 main body ECU connector.
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
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|