Tester Abbreviations

EI ABBREVIATIONS

ABBREVIATION DEFINITION

PIP Profile Ignition Pickup (Crankshaft sensor signal)
CMP Camshaft Position Sensor
CID Cylinder Identification
SPOUT Spark Output (PCM spark control signal)
IDM Ignition Diagnostic Monitor (Diagnostic signal to PCM)
BAT+ Battery positive
BAT- Battery negative
IGN GND or IGND Low current ground reference
DPI Dual Plug Inhibit (High - right plugs fire; Low - both sides fire)
CID PCM S CID signal being sent to the PCM measured at sensor
C1, C2, C3 Coil drive (For coils 1, 2, and 3)

OVERLAY DESIGNATORS

PREFIX/ MEASUREMENT
SUFFIX LOCATION

Prefix "J "is a breakout box jack
Suffix "I" is at the ICM
Suffix "CKP" or "S" is at the sensor"
Suffix "P" is at the PCM
Suffix "C" is at the coil