Honda HR-V: Waveforms - Injector Pattern Tutorial
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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
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
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NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated,
troubleshoot the indicated
DTC first.
1. Determine possible failure area (MICU, others):
Press the PANIC button.
Do the horns sound?
YES
Go to step 3.
NO
Go to step 2.
2. Horn operation check:
Press the horn button.
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/