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Home >> Honda >> 1993 >> Prelude VTEC >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Malfunction Indicator Light (Mil)
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Malfunction Indicator Light (Mil)

All models are equipped with an MIL. As a bulb check, light illuminates when ignition is on and engine is not running. MIL also illuminates when a system failure has been detected and a corresponding DTC has been set in ECM memory. Not all trouble codes will activate MIL. If MIL is on and no DTCs are in memory, see TESTS W/O CODES article in the ENGINE PERFORMANCE Section.