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Home >> Cadillac >> 2007 >> XLR Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L (LH2) - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connector End Views >> Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
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Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor

Fig 1: Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor Connector End View
GM1283843Courtesy of GENERAL MOTORS CORP.
Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor Connector Parts Information

Connector Part Information 
  • OEM: 12158455
  • Service: 89046835
  • Description: 4-Way F (BK)
Terminal Part Information 
  • Terminal/Tray: 4-964286-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12093647/J-35616-4A (PU)
Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 TN/BK 472 Intake Air Temperature Sensor Signal
2 TN 2760 Intake Air Temperature Sensor Low Reference
3 YE 492 Mass Air Flow Sensor Signal
4 OG/BK 812 12-Volt Reference
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