Operation CHARM: Car repair manuals for everyone.
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

With Voltmeter

Voltage Tests
Engine Condition:
Idle /PCM Terminal 3C 0-1.0 Volts
Idle /PCM Terminal 3D 0-1.0 Volts

Deceleration /PCM Terminal 3C 0-0.5 Volts
Deceleration /PCM Terminal 3D 0-0.5 Volts

Acceleration /PCM Terminal 3C 0-0.5-1.0 Volts
Acceleration /PCM Terminal 3D 0-0.5-1.0 Volts