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

Fig 1: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (LLT) Connector End View
GM518981Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (LLT)

Pin Wire Circuit Function
A 0.5 TN/WH 3211 HO2S Low Reference (Bank 2 Sensor 1)
B 0.5 PU/WH 3210 Reference Voltage (Bank 2 Sensor 1)
C 0.5 GN 3212 HO2S Heater Low Control (Bank 2 Sensor 1)
D 0.5 PK/BK 5293 Engine Main Relay Fused Control
Connector Part Information 
  • OEM: 12160482
  • Service: 88988598
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit