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Heated Oxygen Sensor (HO2S) 2 (LE5)

Fig 1: Heated Oxygen Sensor 2 (LE5) Connector End View
GM628099Courtesy of GENERAL MOTORS CORP.
Heated Oxygen Sensor (HO2S) 2 (LE5)

Pin Wire Circuit Function
A 0.5 TN/WH 3121 Heated Oxygen Sensor Low Signal - Sensor 2
B 0.5 PU 3120 Heated Oxygen Sensor High Signal - Sensor 2
C - - Not Available
D 0.5 PK/BK 5291 Ignition 1 Voltage
E 0.5 GY/WH 3122 Heated Oxygen Sensor Heater Low Control - Sensor 2
Connector Part Information 
  • OEM: 12092840
  • Service: 15306311
  • Description: 4-Way M Metri-Pack 150 Series, Sealed (GY)
Terminal Part Information 
  • Terminal/Tray: 12045773/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)
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