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Home >> Cadillac >> 2007 >> DTS 4.6 9 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel System - 4.6L - 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 View
GM280761Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) 2 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 12160825
  • Service: 15305801
  • Description: 4-Way M Metri-Pack 150 Series (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 Terminal Identification

Pin Wire Color Circuit No. Function
A TN/PK 3121 HO2S 2 Low Signal
B PK/OG 3120 HO2S 2 High Signal
C GY/WH 3122 HO2S 2 Heater Low Control
D PK/BK 5294 Engine Main Relay Fused Control
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