Cooling Fan After Run

Engine Data 2, Engine Data 3

Not Requested/Requested

Not Requested

Commanded Cooling Fan

Engine Data 2, Engine Data 3

OFF/Level 1/Level 2/Level 3

varies

ECT

Engine Data 1, Engine Data 2, Engine Data 3, EVAP Data, Fuel Trim Data, HVAC System Data

°C/°F

varies

FC Relay 1 Command

Engine Data 2, Engine Data 3

On/Off

varies

FC Relay 2 and 3 Command

Engine Data 2, Engine Data 3

On/Off

varies

Low Coolant Status

HVAC System Data

OK/Low

OK

Low Coolant Switch

HVAC System Data

Open/Closed

Open

Water Pump Relay

Non-HVAC Data

On/Off

On