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Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1 (LY7)

Fig 1: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (LY7) Connector End View
GM518981Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) - Bank 2 Sensor 1 (LY7)

Pin Wire Circuit Function
A 0.5 TN 1667 Heated Oxygen Sensor Low Signal - Bank 2 Sensor 1
B 0.5 PU 1666 Heated Oxygen Sensor High Signal - Bank 2 Sensor 1
C 0.5 PK/BK 5293 Ignition Voltage
D 0.5 L-GN 3212 Heated Oxygen Sensor Heater Low Control - Bank 2 Sensor 1
Connector Part Information 
  • OEM: 12160482
  • Service: 88988598
  • Description: 4-Way F Metri-Pack 150 Series, Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)