Lighting System - Rear Fog Light Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER
INSPECT FUSE (RR FOG, TAIL)
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND)
CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND)
LIGHTING SYSTEM - Rear Fog Light Circuit
DESCRIPTION
The main body ECU receives a rear fog light switch information signal from the light control switch (rear fog switch), and illuminates the rear fog lights.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER |
Operate the intelligent tester according to the steps on the display and select "Active Test".
Main Body| Tester Display | Test Part | Control Range | Diagnostic Note |
| Rear Fog Light Relay | Rear fog light | ON or OFF | - |
- OK:
- Fog light turns on/turns off.
| OK | |
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| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE ()
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| 2.INSPECT FUSE (RR FOG, TAIL) |
Remove the RR FOG fuse and 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 |
| RR FOG fuse | Always | Below 1 Ω |
| TAIL fuse |
| 3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - BODY GROUND) |
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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| 4.CHECK HARNESS AND CONNECTOR (REAR FOG LIGHT ASSEMBLY - MAIN BODY ECU AND BODY GROUND) |
Disconnect the 2C ECU connector.
for LH:
Disconnect the O6 rear fog light connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 2C-8 (RFGO) - O6-2 | Always | Below 1 Ω |
| O6-1 - Body ground |
| O6-2 - Body ground | Always | 10 kΩ or higher |
for RH:
Disconnect the O5 rear fog light connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
| Tester Connection | Condition | Specified Condition |
| 2C-8 (RFGO) - O5-2 | Always | Below 1 Ω |
| O5-1 - Body ground |
| O5-2 - Body ground | Always | 10 kΩ or higher |
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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