TM 9-2320-363-20-1
Section 2
BASIC KNOWLEDGE REQUIRED (Cont'd.)
SRS
-
Synchronous Reference Sensor: Detects when the first cylinder in the firing order is about to
be fired.
TBS
-
Turbo charged Boost Sensor: Monitors Turbo boost.
TBD
-
To be determined.
TD
-
Tachometer Driver: An output from the ECM for electronic tachometers and/or data loggers.
TPS
-
Throttle Position Sensor: Used to detect throttle request (a component of the EFPA). Also
referred to as LSG.
TRS
-
Timing Reference Sensor: Used to detect whenever any cylinder is about to be fired.
TSG
-
Two Speed Governor Switch.
VIN
-
Vehicle Identification Number
VSG
-
Variable Speed Governor. Also referred to as PTO (Power take off).
VSS
-
Vehicle Speed Sensor: Used to detect vehicle speed.
VSS OC
-
Vehicle Speed Sensor Open Collector: An ECM input which must be used in addition to the
VSS positive input when certain types of vehicle speed sensors are used. (Refer to the
Application manual for installation.)
Change 3 3-345.11
