Series 60 DDEC V Troubleshooting – Section 19.6 Explanation of Abbreviations and Terms

AAT Sensor‪

Ambient Air Temperature — calculated via the TCI temp sensor‪

ABS‪

Anti-lock Braking System‪

A/C‪

Air Conditioning‪

ACG‪

Air Compressor Governor‪

AC Sensor‪

Air Compressor Pressure Sensor‪

ACS‪

Application Code System‪

A/D‪

Analog to Digital: The computer inside the ECM/ECU uses an A/D converter to convert a sensor voltage into a number with which the computer can work.‪

ACLS/AECL Sensor‪

Add Coolant Level Sensor/Add Engine Coolant Level Sensor‪

AFRS/AFR Sensor‪

Air Filter Restriction Sensor‪

AIM‪

Auxiliary Interface Module‪

LSG/ALSG‪

Limiting Speed Governor/Automotive Limiting Speed Governor‪

EFPA/AP‪

Electronic Foot Pedal Assembly/Accelator Pedal‪

TPS/AP Sensor‪

Throttle Position Sensor/Accelerator Pedal Sensor‪

ASR‪

Anti-Skid Regulation: Data supplied by the ECM/ECU for use with ABS (anti-lock braking system).‪

A/T‪

Automatic Transmission‪

ATI‪

Auxiliary Timed Input‪

CEL/AWL‪

Check Engine Light/* Amber Warning Lamp: Typically mounted on the instrument panel. The CEL/AWL has two functions: 1. It is used as a warning lamp to inform the operator of the vehicle that a fault has occurred and the unit should be taken in for service as soon as possible. 2. It is used by the operator or technician to "flash out inactive trouble codes to help diagnose a problem.‪

BAT‪

Battery‪

BOI‪

Beginning of Injection: The number of crank angle degrees, before top-dead-center (TDC), where the ECM/ECU is requesting the injectors be turned on.‪

BPS‪

Back Pressure Sensor‪

BPP Switch‪

Brake Pedal Position Switch‪

CAN‪

Controller Area Network: J 1939 high speed control data link.‪

CCPS‪

Crankcase Pressure Sensor‪

TRS/CKP‪

Timing Reference Sensor/Crankshaft Position Sensor‪

CKT‪

Circuit‪

SRS/CMP‪

Synchronous Reference Sensor/Camshaft Position Sensor‪

COM‪

Common‪

CPP Switch‪

Clutch Pedal Position Switch‪

DCC‪

Diagnostic Connector, Cab‪

DDC‪

Detroit Diesel Corporation‪

DDEC‪

Detroit Diesel Electronic Controls‪

DDEC III‪

Third generation Detroit Diesel Electronic Controls‪

DDEC IV‪

Fourth generation Detroit Diesel Electronic Controls‪

DDEC V‪

Fifth generation Detroit Diesel Electronic Controls‪

DDL‪

Diagnostic Data Link: The lines (wires) over which the ECM/ECU transmits information that can be read by a Diagnostic Data Reader.‪

DDL+‪

Data Link, positive side: J 1587 data link.‪

DDL-‪

Data Link, negative side: J 1587 data link.‪

DDR‪

Diagnostic Data Reader: The hand held tool used for troubleshooting the DDEC system. MPSI PRO-LINK 9000.‪

DLC‪

Data Link Connector‪

—‪

Delta-P Sensor – measures a difference in pressure at a given location‪

DRS‪

DDEC Reprogramming Station‪

DT‪

Diagnostic Tool; either DDR (MPSI Pro-Link) or DDDL (PC software used in a similar manner as DDR)‪

DTC‪

Diagnostic Trouble Code‪

EBP Sensor‪

Exhaust Back Pressure Sensor‪

CLS/ECL Sensor‪

Coolant Level Sensor/Engine Coolant Level Sensor: Monitors coolant level at the radiator top tank or heat exchanger.‪

CPS/ECP Sensor‪

Coolant Pressure Sensor/Engine Coolant Pressure Sensor: Monitors coolant pressure.‪

CTS/ECT Sensor‪

Coolant Temperature Sensor/Engine Coolant Temperature Sensor: Monitors coolant temperature.‪

ECM/ECU‪

Electronic Control Module/Electronic Control Unit: The controller of DDEC V system. It reads the engine and vehicle inputs, sensors and switches, calculates injector firing and duration, and fires injectors at appropriate times.‪

EDM‪

Electronic Display Module‪

EEPROM‪

Electrically Erasable Programmable Read Only Memory.‪

EFC‪

Electronic Fire Commander‪

EFR Sensor‪

Engine FRS/Fuel Restriction Sensor‪

EFT Sensor‪

Engine Fuel Temperature Sensor‪

EGR‪

Exhaust Gas Recirculation‪

ESH/EH‪

Engine Sensor Harness/Engine Harness‪

OLS/EOL Sensor‪

Oil Level Sensor/Engine Oil Level Sensor: Monitors oil level.‪

EOP‪

Engine Over-temperature Protection‪

OPS/EOP Sensor‪

Oil Pressure Sensor/Engine Oil Pressure Sensor‪

OTS/EOTSensor‪

Oil Temperature Sensor/Engine Oil Temperature Sensor‪

ESS‪

Engine Synchro Shift‪

ETS/ET Sensor‪

Exhaust Temperature Sensor‪

EUI‪

Electronic Unit Injector‪

FEI‪

Fuel Economy Incentive‪

FMI‪

Failure Mode Identifier – number used to identify a failure mode‪

FPS‪

Fuel Pressure Sensor: Monitors fuel pressure.‪

FRS/Fuel Restriction Sensor‪

FRS/Fuel Restriction Sensor‪

FTS/SFT Sensor‪

Fuel Temperature Sensor/Supply Fuel Temperature Sensor: Monitors fuel temperature.‪

GND‪

Ground‪

HEI‪

Half Engine Idle‪

ATS/IAT Sensor‪

Air Temperature Sensor/Intake Air Temperature Sensor‪

TBS/IMP Sensor‪

Trubo Boost Sensor/Intake Manifold Pressure Sensor‪

INJ‪

Injector (fuel)‪

ISD‪

Idle Shutdown: Programmable feature of the DDEC system.‪

IVS‪

Idle Validation Switch: A switch used to establish the idle speed position.‪

MAP‪

Manifold Air Pressure‪

MAS‪

Maintenance Alert System‪

MID‪

Message Identification Character‪

MPG‪

Miles Per Gallon‪

MPH‪

Miles Per Hour‪

N/A‪

Not Applicable.‪

OECL Sensor‪

Optical Engine Coolant Level Sensor‪

OEM‪

Original Equipment Manufacturer‪

OI‪

Optimized Idle‪

PGN‪

Parameter Group Number‪

PID‪

Parameter Identifier‪

PING‪

Pilot Injection Natural Gas‪

PSG‪

Pressure Sensor Governor: Regulates engine speed to maintain a selected external pump pressure.‪

PTO‪

Power Take-Off. Also, referred to as VSG (Variable Speed Governor).‪

PW‪

Pulsewidth‪

PWM‪

Pulsewidth Modulated: Modulated signal provided by the DDEC system.‪

RES/ACCEL‪

Resume/Accelerate Switch used for Cruise Control.‪

RFP Sensor‪

Rail Fuel Pressure Sensor‪

RH‪

Relative Humidity‪

RHS‪

Relative Humidity Sensor‪

SEL/RSL‪

Stop Engine Light/† Red Stop Lamp: Typically mounted on the instrument panel. It has two functions: 1. It is used as warning to the operator that a potential engine damaging condition has been detected. If the DDEC system is programmed for shutdown, the engine will shutdown on its own within 30 seconds. The engine should not be run until the condition is corrected. 2. It is used by the operator or technician to "flash" out active trouble codes.‪

SEO‪

Stop Engine Override: Allows the stop engine condition to be overridden in case it is required.‪

SET/COAST‪

Set/Coast Switch: Used in Cruise Control.‪

SID‪

System Identifier – value used that identifies a sensor or a system‪

SNEF‪

Signal to Noise Enhancement Filter (Module)‪

TBS‪

Turbocharger Boost Sensor: Monitors turbo boost.‪

TBD‪

To be determined‪

TCI‪

Turbo Compressor Inlet‪

TCO‪

Turbo Compressor Outlet‪

TD‪

Tachometer Driver: An output from the ECM/ECU for electronic tachometers and or data loggers.‪

TDC‪

Top Dead Center‪

VEPS‪

Vehicle Electronic Programmimg System‪

VGT‪

Variable Geometry Turbocharger‪

VIH‪

Vehicle Interface Harness (OEM Wiring)‪

VIN‪

Vehicle Identification Number‪

VLS‪

Vehicle Limiting Speed‪

VNT‪

Variable Nozzle Turbine‪

VOM‪

Volt Ohm Meter‪

VPOD‪

Variable Output Pressure Device – used to accurately position the VNT and EGR valve.‪

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/ECU 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 and Installation manual for installation.‪