Power Transistor

Disconnect ignition coil and power transistor harness connector from distributor. Using ohmmeter, check for continuity between power transistor connector terminal No. 2 and ignition coil connector terminal No. 8. See Fig 1 . If continuity is not present, replace distributor.

Fig 1: Checking Power Transistor Circuit (G20)

Courtesy of NISSAN MOTOR CO., U.S.A.