mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Igniter <--> [Ignition Control Module] > < Ignition Coil|Specifications|Page 3503
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Ignition Coil: Testing and Inspection

Ignition Coil Resistance Check

PRIMARY RESISTANCE CHECK

Check primary resistance across coil terminals as indicated on image.  If not within specification, replace coil.

SECONDARY RESISTANCE CHECK

Check secondary resistance as indicated on image.  If not within specification, replace coil.

COIL CASE RESISTANCE CHECK

Check insulation resistance between primary terminal and coil case.  It should be 10M ohms or more.  Replace coil if it does not test as specified.

Igniter <--> [Ignition Control Module] > < Ignition Coil|Specifications|Page 3503