Door Courtesy Light Circuit
LIGHTING (EXT): LIGHTING SYSTEM: Door Courtesy Light Circuit
- Door Courtesy Light Circuit
DESCRIPTION
The door courtesy light turns on when the door is opened and turns off when closed.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK OPERATION OF DOOR COURTESY LIGHT
(a) When a door is opened, check that the following lights do not illuminate.
Result
D -- INSPECT DOOR COURTESY LIGHT (REAR DOOR RH)
C -- INSPECT DOOR COURTESY LIGHT (REAR DOOR LH)
B -- INSPECT DOOR COURTESY LIGHT (FRONT DOOR LH)
A -- Continue to next step.
2. INSPECT FUSE (DOME1)
(a) Remove the DOME1 fuse from the engine room relay block, junction block.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPLACE FUSE
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (DOOR COURTESY LIGHT - BATTERY)
(a) Disconnect the I13, I5, J12 and J5 ECU connectors.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures
4. INSPECT DOOR COURTESY LIGHT (FRONT DOOR LH)
(a) Remove the door courtesy light connector Removal.
(b) Check that the door courtesy light comes on.
OK:
NG -- REPLACE DOOR COURTESY LIGHT ASSEMBLY Removal
OK -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (COURTESY LIGHT (FRONT DOOR LH) - MAIN BODY ECU)
(a) Remove the main body ECU.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
6. INSPECT DOOR COURTESY LIGHT (FRONT DOOR RH)
(a) Remove the door courtesy light connector Removal.
(b) Check that the door courtesy light comes on.
OK:
NG -- REPLACE DOOR COURTESY LIGHT ASSEMBLY Removal
OK -- Continue to next step.
7. CHECK HARNESS AND CONNECTOR (COURTESY LIGHT (FRONT DOOR RH) - MAIN BODY ECU)
(a) Remove the main body ECU.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
8. INSPECT DOOR COURTESY LIGHT (REAR DOOR LH)
(a) Remove the door courtesy light connector Removal.
(b) Check that the door courtesy light comes on.
OK:
NG -- REPLACE DOOR COURTESY LIGHT ASSEMBLY Removal
OK -- Continue to next step.
9. CHECK HARNESS AND CONNECTOR (COURTESY LIGHT (REAR DOOR LH) - MAIN BODY ECU)
(a) Remove the main body ECU.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
10. INSPECT DOOR COURTESY LIGHT (REAR DOOR RH)
(a) Remove the door courtesy light connector Removal.
(b) Check that the door courtesy light comes on.
OK:
NG -- REPLACE DOOR COURTESY LIGHT ASSEMBLY Removal
OK -- Continue to next step.
11. CHECK HARNESS AND CONNECTOR (COURTESY LIGHT (REAR DOOR RH) - MAIN BODY ECU)
(a) Remove the main body ECU.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU