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
SEE MORE:
Schematic wiring diagrams
SPECIFICATIONS
TEMPERATURE VERSUS RESISTANCE
Temperature Versus Resistance
Fastener Tightening Specifications
SCHEMATIC WIRING DIAGRAMS
ENGINE HEATING/COOLING WIRING SCHEMATICS (ENCORE)
Engine Cooling
Fig. 1: Engine Cooling System
ENGINE HEATING/COOLING WIRING SCHEMATICS (TRAX)
Engine Coolin
Traction Control/Electronic Stability Control
System Operation
If equipped, the vehicle has a
Traction Control System (TCS) and
StabiliTrak, an electronic stability
control system. These systems help
limit wheel slip and assist the driver
in maintaining control, especially on
slippery road conditions.
TCS activates if it senses that any
of the
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