Honda HR-V: Is a Lab Scope Necessary?
READ NEXT:
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
A DVOM is typically used to check injector resistance and available voltage
at the injector. Some techs also use
it check injector on-time either with a built-in feature or by using the
dwell/duty f
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 a rtic
SEE MORE:
ENGINE LUBRICATION SYSTEM SYMPTOM TROUBLESHOOTING - LOW OIL PRESSURE
INDICATOR DOES NOT COME ON WITH THE VEHICLE IN THE ON MODE
1. Input signal test:
Connect the HDS to the DLC.
Turn the vehicle to the ON mode.
Make sure the HDS communicates with the vehicle. If it does not
communicate, go to
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