A-9
QDM:
Quad Driver Module.
RAM:
Random Access Memory.
Relay:
An electromechanical device in which connections in one circuit are
switched.
Reluctance Sensor:
A type of sensor typically used to measure crankshaft or camshaft
Speed and/or position, driveshaft speed, and wheel speed.
ROM:
Read-Only Memory. Permanent programming information stored
inside the PCM, containing the information the PCM needs to operate
a specific vehicle model/engine combination.
RPM:
Revolutions Per Minute.
SAE:
Society of Automotive Engineers.
Scan Tool:
A device that interfaces and communicates Diagnostic Trouble Codes,
plus other valuable information for troubleshooting a vehicle through
a data link.
SDM:
Sensing and Diagnostic Module.
Sensor x:
A standard term used to identify the location of oxygen sensors.
Sensor 1 is located upstream of the catalytic converter. See
O2S
,
Bank 1
,
Bank 2
.
Sensor:
Any device that reports information to the PCM. The job of the sensor
is to convert a parameter such as engine temperature into an electrical
signal that the PCM can understand.
SFI or SEFI:
Sequential Fuel Injection or Sequential Electronic Fuel Injection. A fuel
injection system that uses one or more injectors for each cylinder. The
injectors are mounted in the intake manifold and are fired individually.
Solenoid:
A device consisting of an electrical coil which when energized,
produces a magnetic field in a plunger, which is pulled to a central
position. A solenoid may be used as an actuator in a valve or switch.
Содержание OBD II AutoScanner CP9175
Страница 38: ...3 14 Using AutoScanner Diagnostic Trouble Codes...
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