FixVault

Heated Oxygen Sensor (HO2S) 1

Fig 1: Connector End Views
GM474210Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 12176897
  • Service: 15305960
  • Description: 4-Way F Metri-Pack 150 Sealed (L-GY)
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/WH 3111 HO2S Low Reference (Bank 1 Sensor 1)
B PU/WH 3110 HO2S Reference Voltage (Bank 1 Sensor 1)
C GY/WH 3113 HO2S Heater Low Control [- Bank 1 Sensor 1]
D PK/BK 5293 Ignition 1 Voltage