Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 (LLT)

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Heated Oxygen Sensor (HO2S) - Bank 1 Sensor 1 (LLT) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 TN/WH	3111	HO2S Low Signal Bank 1 Sensor 1
B	0.5 PU/WH	3110	HO2S High Signal Bank 1 Sensor 1
C	0.5 GY/WH	3113	HO2S Heater Low Control Bank 1 Sensor 1
D	0.8 PK/BK	5293	Engine Main Relay Fused Control (4)

Connector Part Information

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

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit