Honda HR-V: Waveforms - Injector Pattern Tutorial
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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
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
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CHARGING SYSTEM DESCRIPTION - OVERVIEW
Overview
The PCM gathers vehicle operating system data and determines the required
charging rate. Based on that data,
the PCM commands the alternator to provide a specific charging rate (voltage)
between 12.5 and 14.5 volts,
using 1/10th volt steps. In some o
Special Tools Required
Vacuum Pump/Gauge, 0-30 inHg Snap-on YA4000A or equivalent, commercially
available
NOTE:
Before beginning this troubleshooting, do a customer diagnostic
interview - Refer to: Fuel and
Emissions Systems Symptom Troubleshooting - Engine stalls Diagnostic
interview, or Fu