The Engine Scan Tool Data List contains all engine related parameters that are available on the scan tool. A 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 conditions are determined:
| • | The Diagnostic System Check - Vehicle is completed. |
| • | There are no diagnostic trouble codes (DTCs). |
| • | The on-board diagnostics are functioning correctly. |
Scan tool values from an engine that is operating correctly may be used for comparison with the engine you are diagnosing. The Engine Scan Tool Data List represents the values that would be seen on a normal operating engine.
Important: Do not use a scan tool that displays faulty data. The scan tool concern should be reported to the manufacturer. Use of a faulty scan tool may result in misdiagnosis and unnecessary parts replacement.
Only the parameters listed below are referenced in this service information for use in diagnosis. If all values are within the typical range described below, refer to Symptoms - Engine Controls for diagnosis.
The column labeled Data List indicates where a parameter is located on the scan tool. Review the scan tool operating manual for the exact locations of the data lists. The following is a description of each term listed:
All: The Parameter is in all data lists indicated below.Eng: Engine Data
EVAP: EVAP Data
FT: Fuel Trim Data
HO2S: Heated Oxygen Sensors
Ign: Ignition Data
MF: Misfire Data
TAC: TAC Data
CMP: CMP Actuator Data
IND: Intake Data
Trans: Transmission Data
Scan Tool Parameter | Data List | Parameter Range/Units | Typical Data Values |
|---|---|---|---|
Conditions for Operating: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop/Accessories Off | |||
A/C Relay Command | Eng, MF, TAC, IND | On/Off | Off |
APP Indicated Angle | All | 0-100% | 0% |
APP Sensor 1 | TAC | 0.9-4.5 V | 1V |
APP Sensor 2 | TAC | 0.40-2.25 V | 0.4V |
APP Sensor 1 and 2 | TAC | Agree/Disagree | Agree |
Barometric Pressure (BARO) | Eng, Ign, EVAP, HO2S, FT, IND, TRANS | 65-104 kPa (8-16 psi) | Varies with altitude |
Barometric Pressure (BARO) | IND | Volts | Varies |
Brake Pedal Signal Status | Eng, TAC, TRANS | Valid/Invalid | Valid |
Calculated TWC Temperature Bank 1 and 2 | FT, MF | Temperature | Varies |
Catalytic Converter Protection Active | FT, HO2S | Yes/No | No |
CKP Resync Counter | Ign | Counts | 0 Counts |
Commanded Air/Fuel Ratio and Equivalence Ratio | ENG, FT, HO2S, IND | Ratio | 14.7:1 |
Cruise Control Active | Eng, TAC | Yes/No | No |
Cycles of Misfire Data | MF | 0-200 Counts | Varies |
Cylinder 1-6 IC Circuit Status | MF | OK/Fault/Indeterminate | OK |
Cylinder 1-6 Injector Circuit Status | MF | OK/Fault/Indeterminate | OK |
Cylinder 1-6 Knock Retard | IGN | Degrees | 0 Degrees |
Decel Fuel Cutoff | Eng, FT, HO2S | Active/Inactive | Inactive |
Desired Exhaust CMP - Bank 1 or 2 | CMP | Degrees | Varies |
Desired HO2S Bank 1 or 2 Sensor 1 | HO2S, FT | Lambda | Varies |
Desired Idle Speed | Eng, EVAP, TAC, CMP, IND | 0-7,000 RPM | 650 RPM |
Desired Intake CMP - Bank 1 or 2 | CMP | Degrees | Varies |
DTC Set This Ignition | Eng | Yes/No | No |
EC Ignition Relay Circuit | TAC | OK/Fault/Indeterminate | OK |
EC Ignition Relay Command | Eng, TAC | On/Off | On |
EC Ignition Relay Feedback Signal | Eng, TAC | 0-25.5 V | 12.0-14.5 V |
ECM Reset | Eng, EVAP | Yes/No | No |
ECT Sensor | All | -39°C to +140°C (-38°F to +284°F) | Varies |
Engine Load | All | 0-99% | 0-5% - Idle 3-7% - 2500 RPM |
Engine OFF, EVAP Test Conditions Met | EVAP | Yes/No | Varies |
Engine Off Time | EVAP | 0:00:00 | Varies |
Engine Oil Level Switch | ENG, CMP | OK/Low | OK |
Engine Oil Life Remaining | CMP | % | Varies |
Engine Oil Pressure Sensor | MF, CMP | kPa/psi | Varies |
Engine Run Time | ALL | 0:00:00 | Varies |
Engine Speed | ALL | RPM | 575-700 RPM |
EVAP Purge Solenoid Circuit Status | EVAP | OK/Fault/Indeterminate | OK |
EVAP Purge Solenoid Command | Eng, EVAP, FT, HO2S | 0-100% | Varies |
EVAP Vent Solenoid Circuit Status | EVAP | OK/Fault/Indeterminate | OK |
EVAP Vent Solenoid Command | Eng, EVAP | Venting/Not Venting | Venting |
Exh. CMP Angle - Bank 1 or 2 | CMP | Degrees | Varies |
Exh. CMP Angle - Bank 1 or 2 | CMP | Degrees | Varies |
Exh. CMP Command - Bank 1 or 2 | CMP | 0-99% | Varies |
Exh. CMP Solenoid - Bank 1 or 2 Circuit Status | CMP | OK/Fault/Indeterminate | OK |
Fuel Level | ENG, EVAP, FT, MF | 0-100% | Varies |
Fuel Level Sensor Left Tank (Secondary) | EVAP | 0-5 V | Varies |
Fuel Level Sensor Right Tank (Primary) | EVAP | 0-5 V | Varies |
Fuel Pump Relay Circuit Status | ENG | OK/Fault/Indeterminate | OK |
Fuel Pump Relay Command | Eng | On/Off | On |
Fuel Tank Level Remaining | Eng, EVAP, FT, MF | L/gal | Varies |
Fuel Tank Pressure Sensor | ENG, EVAP | in H2O/mm Hg | Varies |
Fuel Tank Pressure Sensor | EVAP | 0-5 V | Varies |
Fuel Tank Rated Capacity | EVAP | L/gal | 17.8 gal (67.3 L) |
Fuel Trim Learn | FT | Enabled/Disabled | Enabled |
HO2S - Bank 1 or 2 Sensor 1 | Eng, EVAP, FT, HO2S, IND | Lambda | 1.0 Lambda |
HO2S - Bank 1 or 2 Sensor 2 | Eng, FT, HO2S | 0-1,006 mV | Varies 400-700 mV |
HO2S Heater Bank 1 or 2 Sensor 1 or 2 Circuit Status | HO2S | OK/Fault/Indeterminate | OK |
HO2S Heater Bank 1 or 2 Sensor 1 Command | HO2S | 0-99% | Varies |
Heated Oxygen Sensor (HO2S) Sensing Element (Bank 1 or 2 Sensor 1) | HO2S | Ohms | 70-90 Ohms Depends on Temperature |
Heated Oxygen Sensor (HO2S) Sensing Element (Bank 1 or 2 Sensor 2) | HO2S | Ohms | 20-300 Ohms Depends on Temperature |
Heated Oxygen Sensor (HO2S) Module Signal (Bank 1 or 2 Sensor 1) | ENG, HO2S | 1-5 V | Varies |
IAT Sensor | ALL | -39° to +140°C (-38° to +284°F) | Varies |
Ignition 0 Signal | Eng, TAC | On/Off | On |
Ignition 1 Signal | Eng, IGN, EVAP, FT, HO2S, MF, TAC, IND, TRANS | Volts | Varies |
Ignition 1 Signal | ENG, CMP, EVAP | On/Off | On |
Spark Advance | IND | Degrees | 0 Degrees |
Intake Manifold Runner Control (IMRC) Solenoid Circuit Status | IND | OK/Fault/Indeterminate | OK |
Intake Manifold Runner Control (IMRC) Solenoid Command | IND | On/Off | Off |
Initial Brake Apply Signal | ENG, TAC, TRANS | Applied/Released | Released |
Injector 1-6 Command | FT, MF | ms | Varies |
IAT Camshaft Position (CMP) Angle - Bank 1 or 2 | CMP | Degrees | Varies |
Int. Camshaft Position (CMP) Angle - Bank 1 or 2 | CMP | Degrees | Varies |
IAT Camshaft Position (CMP) Command - Bank 1 or 2 | CMP | 0-99% | Varies |
IAT Camshaft Position Solenoid - Solenoid Bank 1 or 2 Circuit Status | CMP | OK/Fault/Indeterminate | OK |
Knock Retard | IGN | Degrees | Varies |
KS 1 or 2 Signal | IGN | Volts | Varies |
Loop Status - Bank 1 or 2 Sensor 1 | Eng, EVAP, FT, HO2S | Open Loop/Closed Loop | Closed Loop |
Loop Status - Bank 1 or 2 Sensor 2 | Eng, EVAP, FT, HO2S | Open Loop/Closed Loop | Open Loop |
LT FT Bank 1 or Bank 2 Cruise/Accel | Eng, EVAP, FT, HO2S | -100% to +100% | 0% |
LT FT Bank 1 or Bank 2 Idle/Decel | Eng, EVAP, FT, HO2S | -100% to +100% | 0% |
MAF Sensor | Eng, IGN, CMP, FT, HO2S, MF, TAC, IND, TRANS | 0-655 g/s | 3.4-6.3 g/s |
MAF Sensor | IND, EVAP | 0-5 V | 0.9-1.7 V |
Malfunction Indicator Lamp (MIL) Circuit Status | ENG | OK/Fault/Indeterminate | OK |
MIL Command | ENG | On/Off | Off |
MIL Requested by DTC | Eng, IGN, EVAP, FT, HO2S, MF, CMP, IND, TRANS | Yes/No | No |
Mileage Since DTC Cleared | Eng | km/miles | Varies |
Misfire Current Cyl. 1-6 | MF | 0-255 Counts | 0 |
Misfire History Cyl. 1-6 | MF | 0-65,535 Counts | 0 |
Moderate Brake Apply Signal | TAC | Applied/Released | Released |
PNP Switch | Eng | Park/Neutral/In Gear | Park/Neutral |
Power Enrichment | Eng, FT, HO2S, MF | Active/Inactive | Inactive |
Reduced Engine Power | TAC | Active/Inactive | Inactive |
Short Term FT - Bank 1 or Bank 2 | Eng, EVAP, FT, HO2S | -25% to +25% | -3% to +3% |
Spark | Eng, IGN, FT, HO2S, MF | -20 to +40 Degrees | 2-10 Degrees |
Start Up ECT | EVAP, HO2S | -39° to +140°C (-38° to +284°F) | Varies |
Start Up IAT | EVAP, HO2S | -39° to +140°C (-38° to +284°F) | Varies |
Stoplamp Pedal Switch | TAC | Applied/Released | Released |
System Power Mode | ENG, EVAP, TAC | Disconnect, Accessory, Retained Accessory Power, Run, Crank Request | Run |
Throttle Actuator Control (TAC) Circuit Status | TAC | OK/Fault/Indeterminate | OK |
Throttle Actuator Control (TAC) Learned Counts | TAC | 0-11 Counts | 0 |
Torque Converter Clutch (TCC) Status | MF | Applied/Released | Released |
Transmission Control Module (TCM) Requested Torque | TAC, Trans | N·m/lb ft | Varies |
Transmission Control Module (TCM) Torque Increase | TAC, Trans | Yes/No | Varies |
Traction Control System (TCS) Torque Increase | TAC | Yes/No | Varies |
Traction Control System (TCS) Torque Reduction Active | TAC, Trans | Yes/No | Varies |
Transmission Control Module (TCM) Torque Reduction Active | TAC, Trans | Yes/No | Varies |
Torque Delivered Signal | TAC | 0-100% | Varies |
Torque Request Signal | TAC, Trans | 0-100% | 90-98% |
Total Fuel Trim Avg. - Bank 1 or Bank 2 | EVAP, FT, HO2S | -100 to +100% | Varies |
Total Misfire Count | MF | Counts | 0 |
TP Desired Angle | TAC | 0-100% | Varies |
Throttle Position Indicated Angle | ALL | 0-100% | Varies |
Throttle Position (TP) Sensor 1 | TAC | 0-5 V | 0.5-0.8 V |
TP Sensor 1 Learned Minimum | TAC | 0-5 V | 0-0.6 V |
Throttle Position (TP) Sensor 2 | TAC | 0-5 V | 4.7-4.1 V |
TP Sensor 2 Learned Minimum | TAC | 0-5 V | 5-3.7 V |
Throttle Position (TP) Sensor 1 and 2 | TAC | Agree/Disagree | Agree |
Traction Control Status | TAC | Active/Inactive | Inactive |
Vehicle Speed Sensor | ALL | km/h mph | Varies |
Volumetric Efficiency | ENG, IGN, EVAP, FT, HO2S, MF, TAC, CMP, TRANS | 0-100% | 5-25% - Idle and at 2,500 RPM |
Warm-ups Since DTC Cleared | ENG | Counts | 0 |
