Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Scan Tool Data List (3.6L) - Engine Cooling
The Engine Scan Tool Data List contains all cooling system related parameters that are available on the scan tool. The list is arranged in alphabetical order. 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.
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
Ign Ignition Data
EVAP EVAP Data
FT Fuel Trim Data
HO2S HO2S Data
MF Misfire Data
TAC TAC Data
CMP CMP Actuator Data
CH Cooling/HVAC Data
CT Cruise/Traction Data
ET Electrical/Theft Data
Ind Induction Data
IPC IPC Data
IM I/M Data
Trans Transmission Data
FF Freeze Frame Data
FR Failure Records Data
| Scan Tool Parameter | Data List | Parameter Range/Units | Typical Data Values |
|---|---|---|---|
| Operating Conditions: Engine Idling/Radiator Hose Hot/Park or Neutral/Closed Loop/Accessories Off | |||
| Calculated ECT - Thermostat Diagnosis | CH | -39 to +140°C (-38 to +284°F) | 89°C (192°F) |
| ECT Sensor | ALL | -39 to +140°C (-38 to +284°F) | Varies |
| FC Relay 1 Circuit Status | CH | Fault/Indeterminate/OK | Indeterminate |
| FC Relay 1 Command | CH | ON/OFF | Varies |
| FC Relay 2 and 3 Circuit Status | CH | Fault/Indeterminate/OK | Indeterminate |
| FC Relay 2 and 3 Command | CH | ON/OFF | Varies |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.