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Home >> Pontiac >> 2007 >> G5 Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 2.2L (L61) - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connectors >> Engine Coolant Temperature (ECT) Sensor
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Engine Coolant Temperature (ECT) Sensor

Fig 1: Engine Coolant Temperature (ECT) Sensor Connector End View
GM1538760Courtesy of GENERAL MOTORS CORP.
Engine Coolant Temperature (ECT) Sensor Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 15449028
  • Service: 88987978
  • Description: 2-Way F GT 150 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
Engine Coolant Temperature (ECT) Sensor Terminal Identification

Pin Wire Color Circuit No. Function
A TN 2761 Low Reference
B YE 410 ECT Sensor Signal
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