I30 V6-2988cc 3.0L DOHC MFI (VQ30DE) (1997)
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Ignition Coil: Description and Operation
Ignition Coil & Power Transistor
The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns on and off the ignition coil primary
circuit. This on-off operation induces the proper high voltage in the coil secondary circuit.