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2013 Buick LaCrosse, ECM/Inputs/Outputs Schematic
Posted to the Waveform Library on 4/6/2025

Diagram showing 5V1 (5V reference 1) and the sensors it feeds. All these sensors share the same reference and the same ground. A short in any sensor can affect all the other sensors sharing the same 5V bus. This is a parallel circuit.

 

car Vehicle Data

2013 Buick LaCrosse 3.6L

Engine3.6 L / 6 cyl / FLEX
Trans6-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component

car Vehicle Data

2013 Buick LaCrosse 3.6L

Engine3.6 L / 6 cyl / FLEX
Trans6-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component