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Home >> Saturn >> 2007 >> Relay 3.9 1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connector End Views >> Heated Oxygen Sensor (HO2S) 2
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Heated Oxygen Sensor (HO2S) 2

Fig 1: Heated Oxygen Sensor (HO2S) 2 Connector End Views
GM806613Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) 2 Connector Parts Information

Connector Part Information 
  • OEM: 15326423
  • Service: See Catalog
  • Description: 4-Way M Metri-Pack 150 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12045773/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)
Heated Oxygen Sensor (HO2S) 2 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A GY 3122 HO2S Low Signal - Sensor 2
B PU 3120 HO2S High Signal - Sensor 2
C TN/WH 3121 HO2S Heater Low Control - Sensor 2
D PK 839 Ignition 1 Voltage
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