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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction (2 Of 2) >> Component Locator >> Engine Controls Connector End Views >> Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
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Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

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 BK/WH 451 Ground
C PK 439 Ignition 1 Voltage
D TN 472 IAT Sensor Signal (LHD)
BK 2760 Low Reference (RHD)
E BK 2760 Low Reference (LHD)
TN 472 IAT Sensor Signal (RHD)
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