Honda HR-V: Waveforms - Injector Pattern Tutorial
Honda HR-V (2015-2021) Service Manual / General Information / Waveforms - Injector Pattern Tutorial
- Purpose of this Article
- Is a Lab Scope Necessary?
- The Two Types of Injector Drivers
- Interpreting Injector Waveforms
- Current Waveform Samples
- Voltage Waveform Samples
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Purpose of this Article
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 articles whe
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
SEE MORE:
VTEC System Description (KA/KC)
Overview
This system improves fuel efficiency and reduces exhaust emissions at all
levels of engine speed, vehicle speed,
and engine load. The VTEC mechanism changes the valve lift and timing by using
more than one cam profile.
The VTEC system changes the cam profile (angle) at cruising speeds. (
Fuel Pressure Relieving
Procedure
NOTE:
Before disconnecting fuel lines or hoses, relieve pressure from the
system by disabling the fuel pump and
disconnecting the fuel line/quick connect fitting in the engine compartment.
When you relieve the fuel pressure, stop the fuel pump according to 2nd
procedure (with the H
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