For 1990-2009 cars

#### Typical Scan Tool Data Values

Scan Tool Parameter | Units Displayed | Typical Data Value | Reference
--- | --- | --- | ---
3X Crank Sensor Scan Data Display and Definition - 60 Degree | RPM | Same as engine speed, above 1280 RPM | DTC P1374 Crankshaft Position (CKP) High to Low Resolution Frequency Correlation
24X Scan Data Display and Definition - 60 Degree | RPM | Sam as engine speed, up to 1280 RPM | DTC P0336 Crankshaft Position (CKP) Sensor Performance
Abuse Management Scan Data Display and Definition - 60 Degree | Active / Inactive | Inactive | 4T60-E Automatic Transaxle Diagnosis
A/C Clutch Scan Data Display and Definition - 60 Degree | Yes / No | No (Yes with A/C Compressor engaged) | PCM Controlled Air Conditioning
A/C High Side SCAN Data Display and Definition - 60 Degree | PSI | Varies with refrigerant temperature | PCM Controlled Air Conditioning
A/C Off For WOT | Yes / No | No | PCM Controlled Air Conditioning
A/C PSI Disable Scan Data Display and Definition - 60 Degree | Yes / No | No (Yes with low or high A/C refrigerant pressure) | PCM Controlled Air Conditioning
A/C Request | Yes / No | No (Yes with A/C ON) | PCM Controlled Air Conditioning
Actual EGR Position | Percent | 0% | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
Air/Fuel Ratio | Ratio | 14.2:1-14.7:1 | Fuel Metering Modes of Operation
Air Pump Scan Data Display and Definition | On / Off | Off (On during Open loop fuel control - Cold Start/Hot restart | Secondary Air Injection System Description DTC P0410 Secondary Air Injection (AIR) System
AIR Active Test Scan Tool Data | Active / Inactive | Inactive (Active with failed AIR Passive Test | Secondary Air Injection System Description DTC P0410 Secondary Air Injection (AIR) System
BARO | kPa | 65-110 (Depends on altitude and barometric pressure). | Information Sensors
CAM SIG Present Scan Data Display and Definition - 60 Degree | Yes / No | Yes | Information Sensors DTC P0341 Camshaft Position (CMP) Sensor Performance
Commanded Fan 1/Commanded Fan 2 | On / Off | Off (On with low speed fans running) | Electric Cooling Fan
Commanded Fan 1/Commanded Fan 2 | On / Off | Off (On with high speed fans running) | Electric Cooling Fan
Commanded Gen | On / Off | On | DTC P0560 System Voltage
Cruise Engaged | Yes / No | No | Stepper Motor Cruise Control Module Gen Desc.
Cruise Inhibited | Yes / No | Yes | Stepper Motor Cruise Control Module Gen Desc.
Current Gear | 1 / 2 /3 / 4 | 1 | 4T60-E Automatic Transaxle Diagnosis
Decel Fuel Mode | Active / Inactive | Inactive | Fuel Metering Modes of Operation
Desired EGR Position | Percent | 0% | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
Desired Idle | RPM | PCM commanded idle speed (varies with temperature). | Idle Air Control System Check
ECT | °C, °F | 85°C-105°C / 185°F-220°F (varies with temperature). | Information Sensors
EGR Closed Valve Pintle Position | Volts | 0.14-1.0 volt | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
EGR Duty Cycle | Percent | 0% | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
EGR Feedback | Volts | 0.14-1.0 volt | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
EGR Position Error | Percent | 0%-9% | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
EGR Test Count | Counts | 0-10 | DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance
Engine Load | Percent | 2%-5% at idle 7%-10% at 2500 RPM | Engine Load
Oil Level | OK / Low | OK | Engine Oil Level Sensor Diagnosis
Engine Run Time | Hr: Min: Sec | Depends on time since startup. | Engine Run Time
Engine Speed | RPM | ±100 RPM from Desired Idle | Information Sensors Idle Air Control System Check
EVAP Purge PWM | Percent | 0%-25% (varies) | EVAP Control System
EVAP Vacuum Switch | Purge / No Purge | No Purge (Purge if over 25% EVAP Purge PWM is commanded). | EVAP Control System
Fuel Pump | On / Off | On | Fuel Pump Electrical Circuit Diagnosis
Fuel Trim Cell | Cell # | 0 | DTC P0172 Fuel Trim System Rich
Fuel Trim Learn | Disabled / Enabled | Enabled | Fuel Trim Learn
Generator Lamp | On / Off | Off | PCM Controlled Warning Lamps
HO2S Sen. 1 | Not Ready / Ready | Ready | Information Sensors
HO2S Sen. 1 | millivolts | 0-1000, constantly varying | Information Sensors
HO2S Sen. 2 | mIllivolts | 0-1000,varies | Information Sensors
HO2S XCount | Counts | Varies | --
IAC Position | Counts | 10-40 | Idle Air Control System Check
IAT | °C, °F | Varies with ambient air temperature. | Information Sensors
Ignition 1 | Volts | 13 (Varies) | DTC P0560 System Voltage
IGN Bypass Scan Data Display and Definition - 60 Degree | Active / Inactive | Inactive (Active with Ignition Control Module Controlling ignition timing) | Electronic Ignition (EI) System
IC Mode Scan Data Display and Definition - 60 Degree | Active / Inactive | Active (Inactive with Ignition Control Module Controlling ignition timing) | Electronic Ignition (EI) System
Injector Fault Scan Data Display and Definition - 60 Degree | Yes / No | No | DTC P1200 Injector Control Circuit
Injector Pulse Width | milliseconds | 1.5-3.5 (Varies with engine load) | Injector Pulse Width
KS Activity | Yes / No | No | Knock Sensor (KS) System
KS Noise Channel | Volts | 0.1-3.0 (varies) | Knock Sensor (KS) System
Knock Retard | Degrees | 0° | Knock Sensor (KS) System
Long Term Fuel Trim | Percent | -10%-10% | DTC P0171 Fuel Trim System Lean
Loop Status | Open / Closed | Closed | DTC P0125 Engine Coolant Temperature (ECT) Excessive Time to Closed Loop Fuel Control
Low Oil Lamp Scan Data Display and Definition | On / Off | Off | PCM Controlled Warning Lamps
MAF | gm/s | 3-6 gm/s at idle 13-16 gm/s at 2500 RPM (Depends on engine load and barometric pressure) | Information Sensors
MAF Frequency | Hz | 1200-3000 (Depends on engine load and barometric pressure). | Information Sensors
MAP | kPa / Volts | 25-48 kPa / 1-2 Volts (Depends on engine load and barometric pressure). | Information Sensors
MPH / km/h | MPH, Km/h | 0 | 4T60-E Automatic Transaxle Diagnosis
MIL | On / Off | Off | A Powertrain On Board Diagnostic (OBD) System Check
Misfire Failures Since First Fail | Counts | 0 | DTC P0300 Engine Misfire Detected
Misfire Cur. #1-#6 | Counts | 0-4 | DTC P0300 Engine Misfire Detected
Misfire Hist. #1-#6 | Counts | 0 | DTC P0300 Engine Misfire Detected
Misfire Passes Since First Fail | Counts | 0 | DTC P0300 Engine Misfire Detected
Non-Volatile Scan Data Display and Definition - 60 Degree | Pass / Fail | Pass | --
Power Enrichment | Active / Inactive | Inactive | Fuel Metering Modes of Operation
Short Term Fuel Trim | Percent | -10%-10% | DTC P0171 Fuel Trim System Lean
Spark | Degrees | 20° (varies) | --
Start Up ECT | °C, °F | Depends on engine coolant temperature at time of startup | --
Start Up IAT | °C, °F | Depends on intake air temperature at time of startup | --
TCC Brake Switch Scan Data Display and Definition | Applied / Released | Released | 4T60-E Transaxle Diagnosis
TCC Engaged Scan Data Display and Definition | Yes / No | No | 4T60-E Transaxle Diagnosis
Total Misfire Current Count | Counts | 0-5 | DTC P0300 Engine Misfire Detected
TP Angle | Percent | 0% | DTC P0123 Throttle Position (TP) Sensor Circuit High Voltage
TP Sensor | Volts | 0.20-0.74 | DTC P0123 Throttle Position (TP) Sensor Circuit High Voltage Information Sensors
Transmission Range | Park / Reverse / Neutral / Drive 4 / Drive 3 / Drive 2 / Low | Park | Information Sensors
TR P A B C | X / 0 | 0 0 X X | Information Sensors
Trans Hot Mode | Active / Inactive | Inactive | 4T60-E Transaxle Diagnosis
TWC Diagnostic | Enabled / Disabled | Enabled | DTC P0420 Catalyst System Low Efficiency
TWC Monitor Test Counter | Counts | 0 | DTC P0420 Catalyst System Low Efficiency
TWC Protection | Active / Inactive | Inactive | Fuel Metering Modes of Operation
VTD Fuel Disable | Active / Inactive | Inactive | VTD Fuel Disable