Ignition Coil With Power Transistor

WARNING: This page is about a different car, the 2004 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Disconnect ignition coil harness connector.
Check resistance between ignition coil terminals as follows.

Fig 1: Testing Ignition Coils
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Identifying Ignition Coils Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.