License Plate Light Circuit

LIGHTING: LIGHTING SYSTEM: License Plate Light Circuit

License Plate Light Circuit

DESCRIPTION

When the light switch TAIL signal is received from the luggage room junction block ECU, the license plate light illuminates.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (LICENSE PLATE LIGHT)
(a) Select the ACTIVE TEST, use the Techstream to generate a control command, and then check that the license plate light illuminates.

Body No. 4





OK:
License plate light illuminates.
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.
2. INSPECT LICENSE PLATE LIGHT ASSEMBLY




(a) Remove the license plate light.
(b) Apply battery voltage to the license plate light connector and check that the license plate light illuminates.
OK:






NG -- REPLACE LICENSE PLATE LIGHT ASSEMBLY
OK -- Continue to next step.
3. CHECK WIRE HARNESS (LIGHT - ECU AND BATTERY)




(a) Disconnect the L3 light connector.
(b) Disconnect the L22 ECU connector.
(c) Measure the voltage of the wire harness side connector.
Standard voltage:





(d) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE