Secondary Coil Winding

Disconnect the ignition coil connector.
Remove the ignition coil. (See IGNITION COIL REMOVAL/INSTALLATION .)
Measure the resistance using an ohmmeter as shown in Fig 1:
- If not as specified, replace the ignition coil.
Fig 1: Measuring Secondary Coil Resistance
Courtesy of MAZDA MOTORS CORP.

Resistance (Reference)
1. 5.0-6.0 kilohms [25 °C {77 °F}]