2.0 Marine Diagnostics
76
Reference Manual
1- Mercury Marine
IAC TEST WITH ENGINE RPM
– continued
RPMS INCREASE AS IAC
OPENS OR DECREASE
AS IAC CLOSES.
PRESS 1 TO CONTINUE
Press the 1 key.
ENGINE RPM
738
IAC DELTA %
10
PRESS MODE TO EXIT
Press the
↓
or
↑
key should
change the IAC valve posi-
tion resulting in some RPM
change.
Press MODE to exit test.
DID ENGINE RPM
CHANGE?
1=YES 2=NO
Press the 1 key.
Select Test:
1–ENGINE RPM
2–NO ENGINE RPM
VISUAL INSPECTION
OF ALL CONNECTORS.
CHECK ALL GROUND
CONNECTIONS.
Press the
↓
key.
↓
↑
↑
↓
ENGINE MUST BE
IDLING AND AT
OPERATING TEMP.
CONTINUE? 1=YES 2=NO
Press the 1 key.
USE THE
↑
KEY TO
OPEN THE IAC VALVE.
USE THE
↓
TO KEY TO
CLOSE THE IAC VALVE.
Press the
↓
key.
↓
CHECK HARNESS
CONTINUITY BETWEEN
ECM AND SUSPECT
COMPONENT.
↑
CHECK ALL
COMPONENTS FOR
CORRECT SPECS. SEE
SYSTEM INFO.
Press the
↓
key.
↓
↑
Press the 2 key.
Press
To EXIT
Summary of Contents for SmartCraft Systems
Page 9: ...Preface 7 Reference Manual NOTES...
Page 28: ...1 0 Introduction 26 Reference Manual NOTES...
Page 29: ...2 0 Marine Diagnostics 27 Reference Manual OVERVIEW 1 Mercury Marine...
Page 98: ...2 0 Marine Diagnostics 96 Reference Manual NOTES...
Page 107: ...3 0 Glossary of Terms 105 Reference Manual NOTES...