Power Transistor
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2002 Nissan Xterra, 2002 Nissan Sentra, 2002 Nissan Quest, 2002 Nissan Pathfinder, and 2002 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Power transistor is located in distributor. Turn ignition off. Disconnect distributor 2-pin and 6-pin harness connectors. Measure resistance between distributor 2-pin connector terminal No. 8 and distributor 6-pin connector terminal No. 2 (component side). See Fig 1. If resistance is zero ohms, replace distributor assembly. If resistance is not zero ohms, power transistor is okay.