Chevrolet Trax: Is a lab scope necessary?
Chevrolet Trax (2013-2022) Workshop Manual / General Information & Maintenance / Waveforms - Injector Pattern Tutorial / Is a lab scope necessary?
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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 will a set of noid lights
Checking Injector Resistance
If a short in an injector coil winding is constant, an ohmmeter will
accurately identify the lower resistance. The
same is true with an open winding. Unfortunately, an intermittent short is an
excep
Strengths of Dwell/Duty Meter
The obvious strength of a dwell/duty meter is that you can compare injector
on-time against a known-good
reading. This is the only practical way to use a dwell/duty meter, but requires
you to have k
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Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
Circuit/System De
Description and operation
WHEEL DRIVE SHAFTS DESCRIPTION AND OPERATION
Front wheel drive axles are flexible assemblies.
Front wheel drive axles consist of the following components:
A front wheel drive shaft tripot joint (inner joint)
A front wheel drive shaft constant velocity joint (outer joint)
A front wheel drive sha
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