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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connector End Views >> Heated Oxygen Sensor (HO2S) 1
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Heated Oxygen Sensor (HO2S) 1

Fig 1: Heated Oxygen Sensor (HO2S) 1 Connector End Views
GM655691Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) 1 Connector Parts Information

Connector Part Information 
  • OEM: 12146046
  • Service: 15306365
  • Description: 4-Way F Metri-Pack 150 Series, Sealed (GY)
Terminal Part Information 
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)
Heated Oxygen Sensor (HO2S) 1 Connector Terminal Identification

Pin Wire Color Circuit No. Function
A TN/WH 1653 HO2S Low Signal Bank 1 Sensor 1
B D-GN 1655 HO2S High Signal Bank 1 Sensor 1
C - - Not Available
D PK 414 HO2S Heater Supply Voltage
E D-GN 676 HO2S Heater High Control Bank 1 Sensor 1
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