Operation CHARM: Car repair manuals for everyone.

Field Coil: Testing and Inspection

Generator field coil control signal




- PCM terminals: 2AQ (+)-body ground (-)
- Oscilloscope setting: 0.5 V/DIV (Y), 1 minute/DIV (X), DC range
- Vehicle condition: Idle after warm up (engine speed approx. 650 rpm, no load)