For 1990-2009 cars

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Operating Conditions: Ignition ON, Engine OFF
Engine Coolant Temperature Sensor | Cooling/HVAC Data | °C/°F | Varies
Fan Control Relay 1 Command | Cooling/HVAC Data | ON/OFF | OFF
Fan Control Relay 2 and 3 Command | Cooling/HVAC Data | ON/OFF | OFF
Fan Control Relay 1 Circuit Status | Cooling/HVAC Data | OK/Open/Short/Incomplete | Operational
Fan Control Relay 2 and 3 Circuit Status | Cooling/HVAC Data | OK/Open/Short/Incomplete | Operational
5-Volt Reference 1 or 2 | Cooling/HVAC Data | V | 4.5
5-Volt Reference 1 or 2 Circuit Status | Cooling/HVAC Data | OK/Fault | Operational
Engine Load | Cooling/HVAC Data | 0-99% | 0-5% - Idle; 3-7% - 2,500 RPM
Calculated Engine Oil Temperature | Cooling/HVAC Data | °C/°F | Varies
Engine Oil Temperature Sensor | Cooling/HVAC Data | °C/°F | Varies
Engine Running Time | Cooling/HVAC Data | 0:00:00 | Varies
Engine Speed | Cooling/HVAC Data | RPM | 650 RPM
Hot Open Loop | Cooling/HVAC Data | Active/Inactive | No Activation
Intake Air Temperature Sensor | Cooling/HVAC Data | °C/°F | Varies
Ignition 1 Signal | Cooling/HVAC Data | 0-25.5 V | 12.8-14.2 V
Knock Retard | Cooling/HVAC Data | degree | Varies
Spark | Cooling/HVAC Data | ° | --
Start Up Engine Coolant Temperature | Cooling/HVAC Data | °C/°F | Varies
Engine Coolant Temperature Calculated Values - Closed Loop Fuel Control | Cooling/HVAC Data | °C/°F | Varies
Engine Coolant Temperature Calculated Values - Thermostat Diagnosis | Cooling/HVAC Data | °C/°F | Varies
Start Up Intake Air Temperature | Cooling/HVAC Data | °C/°F | Varies
Transmission Oil Temperature Sensor | Cooling/HVAC Data | °C/°F | Varies
Total Knock Retard Value | Cooling/HVAC Data | ° | 0
Vehicle Speed Sensor | Cooling/HVAC Data | km/miles | Varies
Volumetric Efficiency | Cooling/HVAC Data | 0-100% | 5-2 5% - Idle and at 2,500 RPM