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LT LT LT LT Lighting Lighting Lighting Lighting System System System System - 62 - Diagnosis Diagnosis Diagnosis Diagnosis and and and and Testing Testing Testing Testing Fault Fault Fault Fault diagnosis diagnosis diagnosis diagnosis 1. Front fog lamp diagnosis Step Operation Yes No 1 ①Turn on the ignition switch and set the headlamp to “position lamp” position. ②Does the front fog lamp lighten when it is turned on? Go to Step 2. Check circuit. 2 Does the front fog lamp indicator in combination instrument lighten? System is normal. Go to Step 3. 3 ①Turn off the fog lamps. ②Turn off the ignition switch. ③Remove the combination instrument. ④Using the multimeter as a ohmmeter, measure the circuit resistance. Is the reading below 1 Ohm? Replace combination instrument. Repair fault circuit. 4 ①Check if the system operates normally. ②Does the system operate normally? System is normal. Go to Step 1. |