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:
Under-Hood Fuse/Relay Box Removal and Installation
Special Tools Required
Relay Puller 07AAC-000A2A1 or
07AAC-000A1A0
Removal & Installation
NOTE: The under-hood fuse/relay box is a part of the left engine compartment
wire harness, and it cannot be
replaced by itself.
1. 12 Volt Battery Terminal - Disconnect
2. PCM - Remove
3. Under-Hood Fuse/
MIL Circuit Troubleshooting
1. Gauge control module check.
Turn the vehicle to the ON mode.
Do the gauge self-diagnostic function.
Does the MIL flash?
YES
Go to step 2.
NO
Substitute a known-good gauge control module, then recheck. If the
symptom/indication goes away with a known-good gauge control module, replace the
or
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