|Steps||_Enter Key On Engine Off Continuous Monitor mode. Refer to Appendix in Section 16
_Observe VOM or STAR LED for indication of a fault while performing the following:
_Lightly tap on ECT sensor (simulate road shock)
_Wiggle ECT connector
|Result||Is a fault indicated?|
Disconnect and inspect connectors. If connector and terminals are good, replace ECT sensor. Clear Continuous Memory code 51. Refer to Appendix in Section 16. 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