Ignition Coil Resistance - Mazda6 (2.3L)
WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, 2003 Mazda MPV, and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Primary Coil Resistance - Disconnect ignition coil 3-pin harness connector. Measure resistance between terminals "A" and "B" and terminals "B" and "C" using a DVOM. Resistance reading should be as specified in table. See IGNITION COIL RESISTANCE SPECIFICATIONS table. If resistance reading is not as specified, replace ignition coil.
Secondary Coil Resistance - Disconnect ignition coil 3-pin harness connector. Remove ignition coil. Measure resistance between coil towers No. 1 and 4 and between coil towers No. 2 and 3. Resistance should be as specified in table. See IGNITION COIL RESISTANCE SPECIFICATIONS table. If resistance is not as specified, replace ignition coil.