Engine Coolant Temperature (ECT) Sensor

WARNING: This page is about a different car, the 2008 Saturn Sky and 2008 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Coolant Temperature (ECT) Sensor Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 TN	2761	Low Reference (LNF)
1	0.5 TN	2761	Low Reference (LE5)
B	0.5 YE	410	Engine Cooling Temperature Sensor Signal (LNF)
2	0.5 YE	410	Engine Cooling Temperature Sensor Signal (LE5)

Connector Part Information

OEM: 15449028 (LNF) 15336024 (LE5)
Service: 88987993 (LNF) 88987978 (LE5)
Description: 2-Way F GT 150 Sealed (BK)

Terminal Part Information

Terminal/Tray: 15326267/19 (LNF) 12191819/8 (LE5)
Core/Insulation Crimp: E/4 (LNF) E/A (LE5)
Release Tool/Test Probe: 15315247/J-35616-2A (GY)