Tester Abbreviations
DI ABBREVIATIONSABBREVIATION DEFINITION
PIP Profile Ignition Pickup
SPOUT Spark Output (PCM spark control signal)
IDM Ignition Diagnostic Monitor (Diagnostic signal to PCM)
BAT+ Battery positive
BAT- Battery negative
GND Low current ground reference
DI Distributor Ignition
ICM Ignition Control Module
CMP Camshaft Position
PCM Powertrain Control Module