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

Distributor, Ignition

Ignition Coil: Primary Coil Resistance:
COLD 0.36 - 0.55 Ohms
HOT 0.45 - 0.65 Ohms

Ignition Coil: Secondary Coil Resistance:
COLD 9.0 - 15.4 K Ohms
HOT 11.4 - 18.1 K Ohms

Signal Generators (Sensors) Resistance:
Camshaft Position Sensor (G+ to G-)

COLD 185 - 275 Ohms
HOT 240 - 325 Ohms
Crankshaft Position Sensor (NE+ to NE-)
COLD 370 - 550 Ohms
HOT 475 - 650 Ohms