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:
Poor AM Or FM Radio Reception Or Interference (With Navigation)
NOTE:
Check the vehicle 12 volt battery condition first.
Check for aftermarket accessories plugged into the vehicle accessory
power sockets.
Check the radio reception in an open area. Compare it to a known-good
vehicle whenever possible. Poor reception/interference can be caused by the
fol
F-CAN Circuit Troubleshooting
1. F-CAN circuit resistance check:
Turn the vehicle to the OFF (LOCK) mode.
Jump the SCS line with the HDS.
SCS Short
Disconnect the following connector.
PCM connector A (51P)
Measure the resistance between test points 1 and 2.
Is there about 78-95 --
YES
Go to step 14.
NO
Go to step 2.
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