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Home >> Cadillac >> 2006 >> Escalade AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 783 (Engine Control System - 8.1L - Introduction (2 Of 2)) >> Component Locator >> Engine Controls Connectors >> Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (NC1/NC8)

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (NC1/NC8)

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HO2S Bank 2 Sensor 2 (NC1/NC8) Connector View
GM831392Courtesy of GENERAL MOTORS CORP.
Engine Controls Connector End Views

Connector Part Information 
  • OEM: 12092839
  • Service: 88987991
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (NC1/NC8)

Pin Wire Color Circuit No. Function
A TN 1671 HO2S Low Signal Bank 2 Sensor 2
B PU 1670 HO2S High Signal Bank 2 Sensor 2
C - - Not Available
D PK 1539 Ignition 1 Voltage
E RD/WH 3223 HO2S Heater Low Control Bank 2 Sensor 2