3000GT VR-4 AWD V6-2972cc 3.0L DOHC MFI Twin Turbo (1998)
Ignition Control Module: Oscilloscope Patterns and Waveforms
1. Primary signal of ignition coil
(1) Run the engine at an idle speed.
(2) Connect the probe to oscilloscope pick-up point 1 as shown in the circuit diagram and check the primary signal of the ignition coil.
2. Control signal of ignition power transistor
Connect the probe to oscilloscope pick-up point 2 as shown in the circuit diagram and check the control signal of the ignition power transistor.
