Ignition Coil Operation Inspection (Miata, Protege & Protege5)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Mazda Tribute, 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, and 2002 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use known good spark plugs and high-tension leads to test coils.

NOTE: Cylinders No. 1 and 2 and No. 3 and 4 are fired simultaneously.

Remove ignition coils, spark plugs and high-tension leads. Connect all components as shown in Fig 1 .
Ensure spark plug produces a strong, pale spark when turning switch from off to on.

Fig 1: Testing Ignition Coils (Miata, Protege & Protege5)

Courtesy of MAZDA MOTORS CORP.