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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Controls - 3.9L - Introduction (2 Of 2)) >> Component Locator >> Engine Controls Connectors >> Heated Oxygen Sensor (HO2S) 2

Heated Oxygen Sensor (HO2S) 2

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Heated Oxygen Sensor (HO2S) 2 Connector End View
GM806613Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

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

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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