FixVault

Heated Oxygen Sensor (HO2S) 1

Fig 1: Connector End Views
GM280761Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 12160825
  • Service: 15305801
  • Description: 4-Way M Metri-Pack 150 Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)
Heated Oxygen Sensor (HO2S) 1

Pin Wire Color Circuit No. Function
A TN 1664 HO2S Low Signal [- Bank 1 Sensor 1]
B PU/WH 1665 HO2S High Signal [- Bank 1 Sensor 1]
C GY 3113 HO2S Heater Low Control [- Bank 1 Sensor 1]
D PK/BK 5293 Ignition 1 Voltage