Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Passenger/Cargo w/LQ4/LR4 and Passenger/Cargo Federal Emissions w/LM7/L59)

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Fig 1: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Passenger/Cargo w/LQ4/LR4 and Passenger/Cargo Federal Emissions w/LM7/L59) Connector End View

Courtesy of GENERAL MOTORS CORP.

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Passenger/Cargo w/LQ4/LR4 and Passenger/Cargo Federal Emissions w/LM7/L59) Connector & Terminal Parts Information

Connector Part Information

OEM: 15326423
Service: 88988140
Description: 4-Way M Metri-Pack 150 Series Sealed (GY)

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) Bank 1 Sensor 2 (Passenger/Cargo w/LQ4/LR4 and Passenger/Cargo Federal Emissions w/LM7/L59) Terminal Identification

Pin	Wire Color	Circuit No.	Function
A	TN/WH	1669	HO2S Low Signal - Bank 1 Sensor 2
B	PU/WH	1668	HO2S High Signal - Bank 1 Sensor 2
C	PU	5035	HO2S Heater Low Control - Bank 1 Sensor 2
D	PK	1539	Ignition 1 Voltage