Engine Scan Tool Data List

Engine Scan Tool Data List

The Engine Scan Tool Data List contains all engine related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists, and in some cases may appear more than once, or in more than one data list in order to group certain related parameters together.

Use the Engine Scan Tool Data List only after the following is determined:

Scan tool values from a properly running engine may be used for comparison with the engine you are diagnosing. The Engine Scan Tool Data List represents values that would be seen on a normally running engine.

Important

A scan tool that displays faulty data should not be used. The scan tool problem should be reported to the manufacturer. Use of a faulty scan tool can result in misdiagnosis and unnecessary parts replacement.

Only the parameters listed below are referenced in this service manual for use in diagnosis. For further information on using the scan tool to diagnose the PCM and related sensors, refer to the applicable reference section listed below. If all values are within the typical range described below, refer to service category Symptoms for diagnosis.

The column labeled Data List indicates where a parameter can be located on the scan tool. Refer to the scan tool operating manual for the exact locations of the data lists. The following is a description of each term listed:

Engine Idling/Lower Radiator Hose Hot/Closed Throttle/Park or Neutral/Closed Loop

Scan Tool Parameter

Vehicle Platform

Data List

Units Displayed

Typical Data Values

1-4 Shift Sol.

Y

Eng 1

Enable/Disabled

Disabled

A/C Clutch

B,D,F,Y

Eng 1,2

Off/On

Off

A/C Evap. ±Temp.

F

Eng 1

C°/F°

Varies

A/C High Side

B,D,F,Y

Eng 1

Volts/psi

Varies

A/C Request

B,D,F,Y

Eng 1, Misfire

No/Yes

No

A/C Status

B,D,F,Y

Eng 1, Misfire

Off/On

Off

A/T Perf. Mode

F

Eng 1

Normal/Perf.

Varies

A/T Perf. Switch

F

Eng 1

Active/Inactive

Varies

AIR Pump

B,D,F,Y

Eng 1, 2, FT

Disabled/Enabled

Disabled

ASR/TCS Spark Retard

D,F,Y

Eng 2

No/Yes

No

BARO

B,D,F,Y

Eng 1, 2

kPa/Volts

65-104/3.5-4.5 (Varies w/Altitude

CKP Engine Speed

B,D,F,Y

Eng 2, Misfire

RPM

± 75 RPM from engine speed

CKP: Lo Res Angle

B,D,F,Y

Eng 2 Misfire

°Dev (Deviation)

0° Dev (varies ± 3°)

Cold Start Up

B,D,F,Y

Eng 1, 2

No/Yes

Varies

Current Gear

B,D,F,Y

Eng 1

Gear position

1

Cycles Of Misfire Data

B,D,F,Y

Misfire

Counts

0-100

Cyl. Mode Misfire Index

B,D,F,Y

Misfire

Counts

Varies

Desired Idle

B,D,F,Y

Eng 1, 2

RPM

PCM Controled

DTC

B,D,F,Y

FF, RR

Pxxxx

Varies

DTC Set This Ign.

B,D,F,Y

Eng 1, 2

No/Yes

No

ECT

B,D,F,Y

All

C°/F°

85°C-108°C (185°-226°)

EGR Duty Cycle

B,D,F,Y

Eng 1,2, FT

Percentage

0

Engine Load

B,D,F,Y

FF, FR, Misfire

Percentage

3% @ Idle 9% @ 2500 RPM

Engine Oil Temp.

Y

Engine 1

C°/F°

Varies

Engine Run Time

B,D,F,Y

Eng 1

C°/F°

Varies

Engine Speed

B,D,F,Y

All

RPM

± 100 RPM from desired

EVAP Purge

B,D,F,Y

Eng 1, 2, FT

Percentage

0

EVAP Vacuum Sw.

B,D,F,Y

Eng 1, 2, FT

No Purge/Purge

No Purge

Fail Counter

B,D,F,Y

FF, FR

Counts

Varise

FC Relay 1

B,D,F,Y

Eng 1, 2

Off/On

Depends on engine temperature and A/C Pressure

FC Relay 2

B,D,

Eng 1, 2

Off/On

Depends on engine temperature and A/C Pressure

FC Relay 2 and 3

F,Y

Eng 1, 2

Off/On

Depends on engine temperature and A/C Pressure

Fuel Trim Cell

B,D,F,Y

Eng 1, 2, FT

Cell Number

16

Fuel Trim Learn

B,D,F,Y

Eng 1, 2, FT

Disabled/Enable

Enable (may Toggle)

High Res. Signal

B,D,F,Y

Eng 1, 2

Inactive/Active

Active

HO2S Bn 1 Sen. 1

B,D,F,Y

Eng 1, 2, FT

Millivolts

10-1000 mV and Varying

HO2S Bn 1 Sen. 2

B,D,F,Y

Eng 1, 2, FT

Millivolts

10-1000 mV and Varying

HO2S Bn 2 Sen. 1

B,D,F,Y

Eng 1, 2

Millivolts

10-1000 mV and Varying

HO2S Bn 2 Sen. 2

B,D,F,Y

Eng 1, 2, FT

Millivolts

10-1000 mV and Varying

IAC Learned

B,D,F,Y

Eng 1, 2, FT

Counts

10-50

IAC Position

B,D,F,Y

Eng 1, 2, FT

Counts

10-50

IAT

B,D,F,Y

Eng 1, 2, FT

C°/F°

10°C-90°C (50°F-194°F)

Ignition Volts

B,D,F,Y

Eng 1, 2, FT

Volts

12.5-14.5

Inj Avg PWM Bn 1

B,D,F,Y

Eng 1, FT

Milliseconds

1-4

Inj Avg PWM Bn 2

B,D,F,Y

Eng 1, 2, FT

Milliseconds

1-4

Knock Retard

B,D,F,Y

Eng 1, 2

Degrees

0

KS Activity

B,D,F,Y

Eng 1, 2

No/Yes

No

Long Term FT Bn 1

B,D,F,Y

Eng 1, 2, FT

Percentage/Counts

  

Long Term FT Bn 2

B,D,F,Y

Eng 1, 2, FT, FF, FR

Percentage/Counts

  

Loop Status

B,D,F,Y

Eng 1, 2, FT

Open/Closed

Closed

Low Res. Signal

B,D,F,Y

Eng 1, 2

Milliseconds

Varies

LT FT Avg. Bn 1

B,D,F,Y

FT

Counts/Percentage

  

LT FT Avg. Bn 2

B,D,F,Y

Eng 1, 2

Counts/Percentage

  

MAF

B,D,F,Y

All

Grams Per Seconds (g/s)

5-9 @ Idle (depends on altitude) 20-26 @ 2500 RPM (depends on altitude)

MAP

B,D,F,Y

Eng 1, 2 FT

kPa/Volts

20-48/1.0-2.0 (varies w/altitude

Mileage Since First Failure

B,D,F,Y

FF, FR

km/Miles

Varies

Mileage Since Last Failure

B,D,F,Y

FR

km/Miles

Varies

Mileage Since MIL Request

B,D,F,Y

FF

km/Miles

Varies

Misfire Cur. #1

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #2

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #3

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #4

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #5

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #6

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #7

B,D,F,Y

Misfire

Counts

Varies

Misfire Cur. #8

B,D,F,Y

Misfire

Counts

Varies

Misfire Failures

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #1

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #2

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #3

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #4

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #5

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #6

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #7

B,D,F,Y

Misfire

Counts

Varies

Misfire Hist. #8

B,D,F,Y

Misfire

Counts

Varies

Misfire Passes

B,D,F,Y

Misfire

Counts

Varies

Misfire Per Cycle Status

B,D,F,Y

Misfire

Prim. Cyl# 0-8, Sec. Cyl# 0-8

  

Msf. Rev. Status

B,D,F,Y

Misfire

Accept/Reject

Accept

MPH Km/h

B,D,F,Y

Eng 1

MPH km/h

0

Not Run Counter

B,D,F,Y

FF

Counts

0

Oil Level

B,D

Eng 1

Normal/Low

Normal

Pass Counter

B,D,F,Y

FF

Counts

Varies

Pass Key Fuel

B,D,F,Y

Eng 1,2

Disabled/OK

OK

PCM Reset

B,D,F,Y

Eng 1,2

Yes/No

No

PNP

B,D,F,Y

Eng 1

P-N--/-ROD21

P-N--

PSP Switch

B,D,F,Y

Eng 1

High Press./Normal

Normal

Reverse Inhibit

F

Eng 1

Enable/Disabled

Disabled

Revs w/Misfire

B,D,F,Y

Misfire

Counts

0

Shrt Term FT Bn 1

B,D,F,Y

Eng 1, 2, FT FF, FR

Precentage/Counts

  

Shrt Term FT Bn 2

B,D,F,Y

Eng 1, 2, FT FF, FR

Precentage/Counts

  

Skip Shift Sol.

F

Eng 1

Enable/Disabled

Disabled

Spark

B,D,F,Y

Eng 1, 2

Degrees

Varies

ST FT Avg. Bn 1

B,D,F,Y

FT

Counts/Percentage

  

ST FT Avg. Bn 2

B,D,F,Y

FT

Counts/Percentage

  

Start Up ECT

B,D,F,Y

Eng 1, 2

C°/F°

Varies

TCC Brake Switch

B,D,F,Y

Eng 1

Applied/Released

Released

TCC Duty Cycle

B,D,F,Y

Eng 1

Disabled/Enable

Disabled

TCC Enable

B,D,F,Y

Eng 1

Disabled/Enable

Disabled

TCC Stator Temp.

B,D

Eng 1

Normal/High

Normal

Total Misfire

B,D,F,Y

Misfire

Counts

0

TP Angle

B, D, F, Y

All

Percentage

0%

TP Sensor

B,D,F,Y

Eng 1

Volts

0.55-0.90

TR Switch

B,D,F,Y

Eng 1

Tramsmission Gear position

Park/Neut.

Traction Control

D,F,Y

Eng 1, 2

Inactive/Active

Inactive

Vehicle Speed

B,D,F,Y

Eng 1

MPH km/h

0

Warm Up Cycles w/o Emis. Faults

B,D,F,Y

Eng 2

Counts

0-40

Warm Up cycle w/o Non-Emis. Faults

B,D,F,Y

Eng 2

Counts

0-40