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SCAN-DIY CR-PRO User’s Manual
fourth of the time, then the duty cycle is 25%. The PCM uses duty cycle type
signals to maintain precise control of an actuator.
EBCM:
Electronic Brake Control Module
EBTCM:
Electronic Brake/Traction Control Module
ECM
Engine Control Module
or
Electronic Control Module
ECT:
Engine Coolant Temperature sensor. See
CTS
.
EEPROM or E
2
PROM
Electrically Erasable Programmable Read Only Memory
EFE:
Early Fuel Evaporation
EFI:
Electronic Fuel Injection. Any system where a computer controls fuel delivery to
the engine by using fuel injectors.
EGR:
Exhaust Gas Recirculation. The PCM uses the EGR system to recirculate
exhaust gases back into the intake manifold to reduce emissions. EGR is used
only during warm engine cruise conditions.
EMR:
Electronic Module Retard
EOP:
Engine Oil Pressure (Switch)
EOT
Engine Oil Temperature (Sensor)
EPA:
Environmental Protection Agency.
ESC:
Electronic Spark Control. An ignition system function that warns the PCM when
knock is detected. The PCM then retards spark timing to eliminate the knocking
condition.
EST:
Electronic Spark Timing. An ignition system that allows the PCM to control spark
advance timing. The PCM determines optimum spark timing from sensor
| SCAN-DIY CR-Pro Work On OBD-II/EOBD-II/CANBUS Protocol Vehicle
