Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (MYB)

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (MYB) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 TN/WH	3121	HO2S Low Signal (Bank 1 Sensor 2)
B	0.5 PU	3120	HO2S High Signal (Bank 1 Sensor 2)
C	0.8 PK/BK	5294	Battery Positive Voltage
D	0.75 BK/WH	3122	HO2S Heater Low Control (Bank 1 Sensor 2)

Connector Part Information

OEM: 12160825
Service: See Catalog
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)