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Heated Oxygen Sensor (HO2S)- Bank 2 Sensor 2 (LH2)

Fig 1: Connector End View Heated Oxygen Sensor (HO2S)- Bank 2 Sensor 2 (LH2)
GM806613Courtesy of GENERAL MOTORS COMPANY
Heated Oxygen Sensor (HO2S)- Bank 2 Sensor 2 (LH2)

Pin Wire Circuit Function
A 0.5 TN 3221 Heated Oxygen Sensor Low Signal
B 0.5 PU 3220 Heated Oxygen Sensor High Signal
C 0.5 OG/WH 3223 Heated Oxygen Sensor Heater Low Control
D 0.8 PK/BK 5294 Ignition Voltage
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 15326423
  • Service Connector: 88988140
  • Description: 4-Way M Metri-Pack 150 Series, Sealed (GY)
Terminal Part Information
  • Terminated Lead: Pending
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-3 (GY)
  • Terminal/Tray: 12045773/2
  • Core/Insulation Crimp: E/1