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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Ignition Coil Pack: Testing and Inspection

Ignition Coil Check:





Primary Coil Resistance
Measure the resistance between connector terminal 3 (power)
and each coil terminal.
Measuring point:
No. 1 - No. 4 cylinder side coil; 2-3
No. 2 - No. 3 cylinder side coil; 1-3
Standard value: 0.70 - 0.86 Ohm


Ignition Coil Check:




Secondary Coil Resistance
Measure the resistance between coil high Voltage terminals.
Measuring point:
No. 1 - No. 4 cylinder side coil; A
No. 2 - No. 3 cylinder side coil; B
Standard value: 11.3 - 15.3 K Ohm