Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LY7)

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LY7) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 TN	472	IAT Sensor Signal
2	0.5 PK	339	Ignition 1 Voltage
3	0.5 BK	2760	Low Reference
4	0.5 GY	2709	5-Volt Reference 2
5	0.5 YE	492	MAF Sensor Signal

Connector Part Information

OEM: 15327729
Service: 88987989
Description: 5-Way F Jr-Power Timer Sealed (BK)

Terminal Part Information

Terminal/Tray: 4-964286-1/16
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 12093647/J-35616-4A (PU)