Lighting System - License Plate Light Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT FUSE (TAIL FUSE)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY)
CHECK VEHICLE TYPE
CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND)
CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND)
CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND)
LIGHTING SYSTEM - License Plate Light Circuit
DESCRIPTION
When the light switch TAIL signal is received from the cowl side junction block ECU, the license plate light illuminates.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT FUSE (TAIL FUSE) |
Remove the TAIL fuse from the main body ECU.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| TAIL fuse | Always | Below 1 Ω |
| 2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BATTERY) |
Disconnect the 2A ECU connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
| Tester Connection | Condition | Specified Condition |
| 2A-1 - Body ground | Always | 11 to 14 V |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Check the vehicle type.
Result| Result | Proceed to |
| for Double Swing Out Type | A |
| except Double Swing Out Type, w/ Tire Carrier | B |
| except Double Swing Out Type, w/o Tire Carrier | C |
| 4.CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND) |
Disconnect the 2C ECU connector.
Disconnect the W2 light connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 2C-22 - W2-1 (B) | Always | Below 1 Ω |
| W2-2 (E) - Body ground |
| W2-1 (B) - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| 5.CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND) |
Disconnect the 2C ECU connector.
Disconnect the h2 light connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 2C-22 - h2-1 | Always | Below 1 Ω |
| h2-2 - Body ground |
| h2-1 - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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| 6.CHECK HARNESS AND CONNECTOR (LICENSE PLATE LIGHT - MAIN BODY ECU AND BODY GROUND) |
Disconnect the 2C ECU connector.
for LH:
Disconnect the S3 light connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 2C-22 - S3-1 | Always | Below 1 Ω |
| S3-2 - Body ground |
| S3-1 - Body ground | Always | 10 kΩ or higher |
for RH:
Disconnect the S2 light connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 2C-22 - S2-1 | Always | Below 1 Ω |
| S2-2 - Body ground |
| S2-1 - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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