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:
How To Information
HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS
Intermittent Failures
The term intermittent failure means a system may have had a failure, but it
checks OK now. If the malfunction
indicator lamp (MIL) on the dash does not come on, check for poor connections or
loose terminals at all
connectors
VSA DTC Troubleshooting 151-31: TPMS Switch Circuit Open
NOTE:
Pressing and holding the TPMS switch for more than 60 seconds will cause
this DTC to set.
Before you troubleshoot, review the general troubleshooting information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (LOCK)
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