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

Fig 1: Connector End View Heated Oxygen Sensor (HO2S)- Bank 1 Sensor 1 (LLT)
GM518981Courtesy of GENERAL MOTORS COMPANY
Heated Oxygen Sensor (HO2S)- Bank 1 Sensor 1 (LLT)

Pin Wire Circuit Function
A 0.5 TN/WH 3111 HO2S Low Signal
B 0.5 PU/WH 3110 HO2S High Signal
C 0.75 GY/WH 3113 HO2S Heater Low Control
D 0.8 PK/BK 5293 Engine Main Relay Fused Control (4)
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 12160482
  • Service Connector: 88988598
  • Description: 4-Way F Metri-Pack 150 Series, Sealed (BK)
Terminal Part Information
  • Terminated Lead: 13575427
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-14 (GN)
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1