Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (LY7/LZ4)

WARNING: This page is about a different car, the 2009 Saturn Vue. 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 (LY7/LZ4) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 TN/WH	3111	HO2S Low Reference Bank 1 Sensor 1
B	0.5 PU/WH	3110	HO2S Reference Voltage Bank 1 Sensor 1
C	0.5 GY/WH	3113	HO2S Heater Low Control - Bank 1 Sensor 1
D	0.8 PK/BK	5293	Powertrain Main Relay Fused Supply (3)

Connector Part Information

OEM: 12176897
Service: 12176897
Description: 4-Way F Metri-Pack 150 Sealed (GY)

Terminal Part Information

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