Buick Encore: Waveforms - Injector Pattern Tutorial
Buick Encore 2012-2019 Service Manual / General Information & Maintenance / Waveforms - Injector Pattern Tutorial
- Purpose of this article
- Is a lab scope necessary?
- The two types of injector drivers
- Interpreting injector waveforms
- Current waveform samples
- Voltage waveform samples
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Purpose of this article
NOTE: This is GENERAL information. This article is not intended to
be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles whe
Is a lab scope necessary?
Use the Right Noid Light
INTRODUCTION
You probably have several tools at your disposal to diagnose injector
circuits. But you might have questioned
"Is a lab scope necessary to do a thorough job, or
The two types of injector drivers
NOTE: This is GENERAL information. This article is not intended to
be specific to any
unique situation or individual vehicle configuration. For model-specific
information see appropriate articles whe
SEE MORE:
Schematic wiring diagrams
ENGINE CONTROLS WIRING SCHEMATICS (ENCORE)
Module Power, Ground, Serial Data, and MIL
Fig. 1: Module Power, Ground, Serial Data, and MIL
5V1, 5V2, and Low Reference Bus (1 of 2)
Fig. 2: 5V1, 5V2, and Low Reference Bus (1 of 2)
5V3, 5V4, and Low Reference Bus (2 of 2)
Fig. 3: 5V3, 5V4, and Low
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror. See OnStar
Overview
To avoid accidental OnStar calls,
clean the mirror with the ignition off.
Do n
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