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

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Component Tests and General Diagnostics

Ignition Coil:





1. Measurement of the primary coil resistance Measure the resistance of the positive terminal 11 and negative terminal 12 of the ignition coil.
Standard value: 0.9 - 1.2 Ohm
2. Measurement of the secondary coil resistance Measure the resistance of the positive terminal 11 and the high voltage terminal.
Standard value: 20 - 29 K Ohm