1996 PCED OBDI
SECTION 18: Diesel Diagnosis — 7.3L DI Engine

Parameter Identification (PID)
 

The Parameter Identification (PID) mode allows access to certain data values, analog and digital inputs and outputs, calculated values, and system status information. Throughout the manual, there will be references to PID values. PID Data Monitor and Record can be accessed from the Rotunda New Generation Star (NGS) Tester 007-00500 (or equivalent) through the Diagnostic Data Link menu.

 
Selecting Parameter Identification (PID)

Connect the NGS Tester to the DLC under the dash. Turn off accessories. If vehicle is equipped with an auxiliary powertrain control (rpm control), it must be turned off to perform self tests.

 
Parameter Identification (PID) List
AcronymDescriptionMeasurement Units
4x4L4x4 Low SwitchON/OFF
ACCSAir Conditioning Clutch StatusON/OFF
APAccel Pedal Position SensorVolts
ARPMDESAncillary Engine Speed DesiredRPM
BAROBarometric Pressure SensorPSI
BARO VBarometric Pressure Sensor ActualVolts
BOOBrake ON/OFF SwitchON/OFF
BPABrake Pressure AppliedON/OFF
CCSCoast Clutch SolenoidON/OFF
CPPClutch Pedal PositionON/OFF
CPP/TCSClutch Pedal Position/TCSON/OFF
CRUISECruise Control Mode (Driving)ON/STNDBY/TAPUP/TAPDN
DTC CNTDiagnostic Trouble Code CountDTC No.
EBPExhaust Back PressurePSI (Absolute)
EBP VExhaust Back Pressure ActualVolts
EOTEngine Oil Temperature°F
EPC*Electronic Pressure ControlPSI
EPC VElectronic Pressure Control ActualVolts
EPRExhaust Pressure RegulatorPercent
FUEL PWFuel Pulse WidthMilliseconds
GEARTransmission Gear E4OD Only (Driving)Trans. Gear
GPCGlow Plug Control Duty CyclePercent
GPC TMGlow Plug Control TimeSeconds
GPL TMGlow Plug Lamp TimeSeconds
IAT*Intake Air TemperatureDegrees
IAT VIntake Air Temperature ActualVolts
ICPInjector Control Pressure SensorPSI
ICP VInjection Control Pressure ActualVolts
IPRInjector Control Pressure RegulatorPercent
IVSIdle Validation SwitchON/OFF
MAPManifold Absolute Pressure SensorPSI (Absolute)
MAP HManifold Absolute Pressure ActualHz
MFDESMass Fuel DesiredMilligrams
MGPManifold Gauge PressurePSI
PBAParking Brake AppliedON/OFF
RPMEngine SpeedRPM
SCCSSpeed Control Command SwitchVolts
SCCS MSpeed Control Command Switch ModeMode
SS1Shift Solenoid No. 1 — E4OD OnlyON/OFF
SS2Shift Solenoid No. 2 — E4OD OnlyON/OFF
TCCTorque Converter ClutchON/OFF
TCILTransmission Control Indicator LampON/OFF
TCSTransmission Control SwitchON/OFF
TFT V*Transmission Fluid Temperature Sensor ActualVolts
TORQUEEngine TorqueLb/Ft
TPRELLow Idle Throttle PositionV
TRTransmission Range Sensor PositionPRNDL
TR VTransmission Ranger Sensor ActualVolts
VFDESVolume Fuel DesiredCubic Millimeters
VPWRVehicle Power SupplyVolts
VREFVehicle Reference VoltageVolts
VS SETVehicle Speed SettingMPH
VSSVehicle Speed SensorMPH
* Designates PIDs that show PCM calculated values during fault.

 



NGS TESTER — DRIVER-OPERATED CONTROLS CHECK
PIDOperator's SettingNGS Tester ReadingEEC PinVoltagePinpoint Test
APFoot OFF of AcceleratorApprox. 0.6V89Approx. 0.6VE
 Foot ON at WOTApprox. 3.8 V Approx. 3.8V 
IVSFoot OFF of Accelerator
Foot ON Accelerator
OFF
ON
50V
B+
AA
BOOFoot ON Service BrakeON92B+K
 Foot OFF Service BrakeOFF 0V 
BPAFoot ON Service BrakeON310VP
 Foot OFF Service BrakeOFF B+ 
CPP/TCS(M5OD) 29 N
 Clutch DepressedON 0V 
 Foot OFF Clutch PedalOFF B+ 
PBAParking Brake ONON40VQ
 Parking Brake OFFOFF B+ 
CPP/TCS(E4OD) 29 AK
 OD CNCL Button Held InON B+ 
 OD CNCL Button ReleasedOFF 0 V 
TR(E4OD) 64 AM
 PRNDL in PP/N 4.45V 
 PRNDL in RREV 3.64V 
 PRNDL in NNTRL 2.87V 
 PRNDL in ODOD 2.87V 
 PRNDL in OD with OD Cancel Light ONDRIVE 2.13V 
 PRNDL in L2MAN2 1.40V 
 PRNDL in L1MAN1 .71V 
TCIL(E4OD) 79 AK
 After Key ONOFF 0V 
 Push OD Cancel (Latch)ON B+ 
 Push OD Cancel (Unlatch)OFF 0V 
SCCS M(Speed Control) 61 F
 After Key ONOPEN 6.68V 
 Speed Control OFFOFF 0V 
 Speed Control ONON B+ 
 SET/ACCELSET AC 2.74V 
 COASTCOAST .68V 
 RESUMERESUME 4.66V 
CRUISE(Speed Control/When Driving Only) OFFOFF61 F
 ONSTNDBY See Above 
 SET/ACCEL
(After Pressing)
Tap Up
(Active)
   
 COAST
(After Pressing)
Tap Down
(Active)
   
4x4L(Transfer Case Shifter) 14 AD
 4x4H or 2HOFF B+ 
 4x4LON0 V  
ACCS(A/C Controls) 41 AE
 MAX/NORM AC or MIX/DEF with A/C Clutch ONON B+ 
 Floor or Vent or A/C Clutch OFFOFF 0 V