Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2 (4.3L)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 2 (4.3L) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 TN	1671	HO2S Low Signal Bank 2 Sensor 2
B	0.5 PU	1670	HO2S High Signal Bank 2 Sensor 2
C	0.5 OG/WH	3223	HO2S Heater Low Control Bank 2 Sensor 2
D	0.5 PK	1539	Ignition 1 Voltage

Connector Part Information

OEM: 12160482
Service: 88988598
Description: 4-Way F Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

Terminal/Tray: 12048074/2
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12094429/J-35616-14 (GN)