Abbreviation Table

Abbreviation Name Meaning, remarks

CAN Controller area network Communication technique used for communication between ECM and computer A CKP sensor Crankshaft position sensor A sensor that detects the angle of rotation of the crankshaft It is installed on the flywheel housing. CMP sensor Camshaft position sensor A sensor that detects the angle of rotation of the camshaft It is installed on the rear of the cylinder head.

DMM Digital multi-meter Tester for diagnosing electrical systems

DTC Diagnostic trouble code This is a self-diagnosis code. There is a code number for each trouble location.

ECM Engine control module A computer for engine control and this is the core of engine control. ECT sensor Engine coolant temperature sensor Engine coolant temperature sensor

ECU Electronic control unit Microcomputer for various control functions

EGR Exhaust gas recirculation

Exhaust gas recirculation recirculates part of the exhaust gas from the engine into the intake system, this mixes with new mixed air to reduce the combustion temperature, which suppresses the generation of nitrogen oxides (NOx). EMPS Engine module programming system System for rewriting ECM control programs

FT sensor Fuel temperature sensor Fuel temperature sensor Installed on the supply pump.

GND Ground Ground IAT sensor Inlet air temperature sensor Intake air temperature sensor

SCV Suction control valve Valve that controls the flow of fuel to the common rail. Installed on the supply pump.