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Home >> Chevrolet >> 2007 >> Impala SS >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM Connector End Views >> Engine Controls Connector End Views (3.9L) >> Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector End View
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Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector End View

Fig 1: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector End View
GM647974Courtesy of GENERAL MOTORS CORP.
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector Parts Information

Connector Part Information 
  • OEM: 15326822
  • Service: 88987186
  • Description: 5-Way F GT 150 Series, Sealed (BK)
Terminal Part Information 
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector Terminal Identification

Pin Wire Color Circuit No. Function
A YE 492 MAF Sensor Signal
B PK/BK 5294 Ignition 1 Voltage
C BK/WH 451 Ground
D TN 472 IAT Sensor Signal (Early Production)
TN/BK 472 IAT Sensor Signal (Late Production)
E TN 2760 Low Reference
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