|Steps||_Key Off, wait 10 seconds
_Disconnect vehicle harness from ECT sensor. Inspect for damaged pins, corrosion, loose wires, etc. Service as necessary.
_Run Key On Engine Off Self-Test
|Result||Is Code 51 present?|
Replace ECT sensor. Reconnect ECT sensor. Rerun Quick Test
GO to Continue
|Component||Engine Coolant Temperature Sensor|
|Description||The ECT sensor reports the engine coolant temperature to the EEC.
The ECT signal input is used by the EEC to:
Modify ignition timing
Air to fuel ratio
|Location||Threaded into between Fuel Injectors 2 and 3|
|Wire Colors||Light Green with Yellow stripe
Black with White stripe