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IGNITION SYSTEM TSB Revision ENGINE ELECTRICAL 16-38 WAVEFORM OBSERVATION POINTS NOTE: Abnormal waveform examples are shown The height, length and slope of the spark line (refer to Point B: Number of vibrations in reduction vibration section (Refer to Observation Conditions Pattern selector Display Pattern height High (or low) Engine speed Curb idle speed AKX01275 kV SECONDARY IGNITION 0 2 NO. 1 CYLINDER NO. 3 CYLINDER NEUTRAL SECTION NO. 4 CYLINDER NO. 2 CYLINDER TIME AB SPARK LINE PLUG CONDITION COMPRESSION CONCENTRATION IGNITION SPARK Length Long Small Normal Low Rich Advanced Leak Length Short Large Large wear High Lean Retarded High Height High Large Large wear High Lean Retarded High Height Low Small Normal Low Rich Advanced Leak Slope Large Plug is fouled - - - - NUMBER OF VIBRATIONS COIL AND CAPACITOR Three or more Normal Except above Abnormal |