Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Oscilloscope Patterns and Waveforms

Ignition coil control signals

- PCM terminals
- No.1 cylinders: 2BE (+) - body ground (-)
- No.2 cylinders: 2BF (+) - body ground (-)
- No.3 cylinders: 2BG (+) - body ground (-)
- No.4 cylinders: 2BB (+) - body ground (-)
- No.5 cylinders: 2BC (+) - body ground (-)
- No.6 cylinders: 2BD (+) - body ground (-)

- Oscilloscope setting: 5 V/DIV (Y), 20 minutes/DIV (X), DC range
- Vehicle condition: Idle after warm up (no load)