Honda Motor BF40D Manual Del Usuario página 458

• IAC VALVE TROUBLESHOOTING
MIL blinks 14 times
1) Symptom reproduction test
a. Turn the combination switch OFF. Disconnect IAC
valve 2P connector
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b. Reset the ECM and disconnect the SCS short
connector (P. 5-43).
c. Start the engine.
d. Turn the combination switch OFF and connect the
SCS short connector.
e. Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 14 times?
YES - Go to "2) IAC valve inspection."
NO - Temporary failure (Disappears.)
5-63
once and connect it again.
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2) IAC valve inspection
a. Turn the combination switch OFF and disconnect
the IAC valve 2P connector
b. Measure the resistance between the IAC valve side
No.1 terminal and No.2 terminal of the IAC valve 2P
connector .
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IAC VALVE 2P CONNECTOR IAC VALVE SIDE
VIEWED FROM THE
TERMINAL SIDE
Is the measurement within 10 - 13 ?
YES - Go to the step c.
NO - Replace the IAC valve with a new one and
recheck.
c. Check for continuity between the IAC valve 2P
connector IAC valve side No.1 terminal and the
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engine ground.
IAC VALVE 2P CONNECTOR IAC VALVE SIDE
VIEWED FROM THE
TERMINAL SIDE
Is there continuity?
YES - Replace the IAC valve with a new one and
recheck.
NO - Go to the step d.
.
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5
EACVM
EACVP
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EACVM