DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK OPERATION OF DOOR COURTESY LIGHT
INSPECT FUSE (DOME1)
CHECK HARNESS AND CONNECTOR (DOOR COURTESY LIGHT - BODY GROUND)
INSPECT DOOR COURTESY LIGHT (FRONT DOOR LH)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)
INSPECT DOOR COURTESY LIGHT (FRONT DOOR RH)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)
INSPECT COURTESY LIGHT (REAR DOOR LH)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)
INSPECT DOOR COURTESY LIGHT (REAR DOOR RH)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)
LIGHTING SYSTEM - 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
1.CHECK OPERATION OF DOOR COURTESY LIGHT |
When a door is opened, check that the following lights do not illuminate.
ResultResult | Proceed to |
All door courtesy light does not illuminate | A |
Front door courtesy light LH does not illuminate | B |
Front door courtesy light RH does not illuminate | C |
Rear door courtesy light LH does not illuminate | D |
Rear door courtesy light RH does not illuminate | E |
Remove the DOME1 fuse from the engine room junction block.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection | Condition | Specified Condition |
DOME1 fuse | Always | Below 1 Ω |
3.CHECK HARNESS AND CONNECTOR (DOOR COURTESY LIGHT - BODY GROUND) |
Disconnect the I13, I5, J12 and J5 ECU connectors.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Switch Condition | Specified Condition |
I13-1 - Body ground | Always | 11 to 14 V |
J12-1 - Body ground |
I5-1 - Body ground |
J5-1 - Body ground |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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OK | |
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PROCEED TO NEXT INSPECTION PROCEDURE SHOWN IN PROBLEM SYMPTOMS TABLE ()
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4.INSPECT DOOR COURTESY LIGHT (FRONT DOOR LH) |
Remove the door courtesy light connector.
Check that the door courtesy light comes on.
- OK:
Measurement Condition | Specified Condition |
Battery positive (+) - Terminal 2 Battery positive (-) - Terminal 1 | Light illumination |
5.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND) |
Remove the main body ECU.
for LHD:
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
E1-24 (DCTY) - Body ground | Always | 11 to 14V |
for RHD:
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
E2-21 (PCTY) - Body ground | Always | 11 to 14V |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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6.INSPECT DOOR COURTESY LIGHT (FRONT DOOR RH) |
Remove the door courtesy light connector.
Check that the door courtesy light comes on.
- OK:
Measurement Condition | Specified Condition |
Battery positive (+) - Terminal 2 Battery positive (-) - Terminal 1 | Light illumination |
7.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND) |
Remove the main body ECU.
for LHD:
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
E2-21 (PCTY) - Body ground | Always | 11 to 14V |
for RHD:
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
E1-24 (DCTY) - Body ground | Always | 11 to 14V |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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8.INSPECT COURTESY LIGHT (REAR DOOR LH) |
Remove the door courtesy light connector.
Check that the door courtesy light comes on.
- OK:
Measurement Condition | Specified Condition |
Battery positive (+) - Terminal 2 Battery positive (-) - Terminal 1 | Light illumination |
9.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND) |
Remove the main body ECU.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
2C-2 (LCTY) - Body ground | Always | 11 to 14V |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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10.INSPECT DOOR COURTESY LIGHT (REAR DOOR RH) |
Remove the door courtesy light connector.
Check that the door courtesy light comes on.
- OK:
Measurement Condition | Specified Condition |
Battery positive (+) - Terminal 2 Battery positive (-) - Terminal 1 | Light illumination |
11.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND) |
Remove the main body ECU.
except Double Swing Out Type:
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
E2-7 (RCTY) - Body ground | Always | 11 to 14V |
for Double Swing Out Type:
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection | Condition | Specified Condition |
E1-17 (RCTY) - Body ground | Always | 11 to 14V |
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
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