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:
Power Window Master Switch Input Test
NOTE :
Before testing, make sure the No. C8 (20 A), No. C9 (20 A), No. C10 (20
A), and No. C11 (20 A) fuses
in the under-dash fuse/relay box are OK.
Before testing, make sure the No. D1-3 (50 A) fuse in the auxiliary
under-dash fuse box is OK.
Before testing, check for DTCs. If any DTCs are
DTC B1646, B1648, B1660, B1664 Antenna Circuit Open
NOTE: Refer to the DTC code shown on the display, and then inspect the
connectors and terminals based on
the instructions in the table below.
DTC (Keyless Access Control Unit)
NOTE: If you are troubleshooting multiple DTCs, be sure to
follow the instructions in B-CAN System Diagnosis Test Mode A
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