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2. INSPECTION START • Start engine. Is any cylinder ignited? Yes >> If with the X-431, go to the next step. No >> Go to step 5. 3. PERFORM ACTIVE TEST FUNCTION • Select ⬙ACTIVE TEST⬙ menu. • Perform injector active test. • Make sure that each test produces a momentary engine speed drop. Is the check result normal? Yes >> The system is OK. No >> Go to step 5. 4. CHECK FUNCTION OF INJECTOR • Listen to injector operating sound one by one. Do all injectors clicking noise exist? Yes >> Go to step 10. No >> Go to the next step. 5. CHECK INJECTOR ELECTRICAL CONNECTOR • Turn ignition switch off. • Disconnect the injector electrical connector (1). • Inspect the electrical connector for damage. Is the electrical connector OK? Yes >> Go to the next step. No >> Repair or replace the electrical connector as necessary. DIAGNOSIS & TESTING LTSM020173 03
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