Honda HR-V: Is a Lab Scope Necessary?
Honda HR-V (2015-2021) Service Manual / General Information / Waveforms - Injector Pattern Tutorial / Is a Lab Scope Necessary?
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Introduction, Overview of 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
Overview of DVOM
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
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 a rtic
SEE MORE:
DTC Troubleshooting 83-11, 83-12: PCM (Engine) Malfunction, PCM (AT/CVT)
Malfunction
NOTE:
Troubleshoot any PGM-FI, AT or CVT DTCs first.
Before you troubleshoot, review the general troubleshooting information.
VSA will set 83-11 if any PGM -FI DTC's exist.
VSA will set 83-12 if any A/T or CVT DTC's exist.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the
Brake System
■Parking Brake
Use the parking brake to keep the vehicle stationary when parked. You can
manually apply and release, or automatically release it.
You may hear the electric parking brake system
operating from the rear wheel area when you apply
or release the parking brake, or turn the ignition
swit
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