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Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

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

Pin Wire Circuit Function
A 0.5 YE 492 MAF Sensor Signal
B 0.5 BK/WH 451 Ground (LH9 or LLR)
BK 2760 Low Reference (LVC)
C 0.5 PK 439 Ignition Voltage
D 0.5 BK 2760 Low Reference (LH9 or LLR)
GY/BK 2931 Low Reference (LVC)
E 0.5 L-BU 6289 IAT Sensor Signal
Connector Part Information 
  • Harness: Engine
  • 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)