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LT LT LT LT Lighting Lighting Lighting Lighting System System System System - 70 - Diagnosis Diagnosis Diagnosis Diagnosis and and and and Testing Testing Testing Testing Fault Fault Fault Fault diagnosis diagnosis diagnosis diagnosis 9. Diagnostic program for front rear fog lamp Step Operation Yes No 1 Set the lamp switch to “ ” position, turn on the front fog lamp switch and check whether the switch indicator is intact. Go to Step 7. Go to Step 2. 2 Is the Fuse 9 intact? Go to Step 4. Go to Step 3. 3 Replace the damaged fuse. Go to Step 4. 4 Remove the front fog lamp relay and measure the relay voltage. Is the voltage normal? Go to Step 6. Go to Step 5. 5 Check whether the instrument panel harness and the front fog lamp switch 6 Replace relay. Are fog lamps normal? Go to Step 7. 7 Check fog lamp connector. Are voltage and grounding normal? Go to Step 8. 8 Check instrument panel harness from relay to fog lamp as per circuit diagram. |