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

WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Connector End View Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 YE	492	MAF Sensor Signal
B	0.5 PK	439	Ignition 1 Voltage
C	0.5 BK/WH	451	Ground
D	0.5 L-BU	6289	Induction Air Temperature Sensor Signal
E	0.5 TN	2760	Low Reference

Connector Part Information

Harness Type: Engine
OEM Connector: 13520906
Service Connector: 19151493
Description: 5-Way F GT 150 Sealed 4.0 (BK)

Terminal Part Information

Terminated Lead: 13578895
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-2A (GY)
Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/1