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
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Special Tools Required
Oil Seal Driver Attachment, 58 mm 07JAD-PH80101
Holder, Companion 07PAB-0020000
Driver, 32.5 mm 070AD-SAA0100
Driver Handle, 15 x 135L 07749-0010000
Exploded View
1. Transfer Assembly - Exploded View
Fig. 56: Exploded View Of Transfer Assembly With Torque Specifications
D
TEST 1
1980-87 (PORTED EGR VALVE)
Check vacuum hoses for correct routing. Disconnect vacuum hose from EGR
valve. Run engine to operating
temperature. Apply 6 in. Hg to EGR valve. Ensure engine runs roughly or dies.
Reconnect vacuum hose.
VACUUM CONTROL
EGR valve is controlled by a combination of e