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Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Diagnosis - 4R70W >> Description & Operation >> Input Sensors >> Electronic Ignition

Electronic Ignition

The Electronic Ignition (EI) system generates a Profile Ignition Pick-Up (PIP) signal (engine RPM) and sends it to the PCM. Signal received by the PCM affects transmission strategy, Wide Open Throttle (WOT) shift control, TCC operation and EPC pressure.