LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2007 >> 5 L4-2.3L >> Repair and Diagnosis >> Starting and Charging >> Charging System >> Alternator >> Testing and Inspection >> Oscilloscope Patterns and Waveforms
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Oscilloscope Patterns and Waveforms

Generator output voltage signal




PCM terminals: 2AM (+)-body ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 2.5 minutes/DIV (X), DC range
- Vehicle condition: Idle after warm up (engine speed approx. 650 rpm, no load)