Honda HR-V: Is a Lab Scope Necessary?
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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
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
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:
DTC (Power Control Unit)
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the
instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body
Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial
Communication and DTC Checks,.
Before troubleshooting
Check
1. A/C Compressor Clutch Clearance - Check
Check the armature plate (A) for discoloration, peeling, or other
damage. If there is
damage, replace the clutch set.
Check the pulley (B) bearing play and drag by rotating the pulley by
hand. Also check
for grease leakage from the bearing.