Mazda CX-9 Grand Touring 2009 Manual page 1807

2008 ENGINE PERFORMANCE Ignition System (MZI-3.7) - Mazda CX-9
Fig. 2: Identifying Connector, Ignition Coil & Torque Specifications
Courtesy of MAZDA MOTORS CORP.
IGNITION COIL INSPECTION [MZI-3.7]
SECONDARY COIL RESISTANCE INSPECTION
1. Remove the ignition coils. (See IGNITION COIL INSPECTION [MZI-3.7].)
2. Using a tester, measure the resistance between the ignition coil terminal A and ignition coil boot socket.
If not within the specification, replace the ignition coil.
Ignition coil secondary coil resistance 5-6 kilohms
2008 Mazda CX-9 Grand Touring