Honda BF40D Mode D'emploi page 462

• EOP SWITCH TROUBLESHOOTING
MIL blinks 26 times
1) Symptom reproduction test
a. Turn the combination switch OFF. Disconnect EPO
switch terminal once and connect it again.
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b. Reset the ECM (P. 5-43).
c. Turn the combination switch ON and check the
number of blinks of the MIL.
Does the MIL blink 26 times?
YES - Go to "2) EPO switch signal line open-circuit
inspection."
NO - Temporary failure (Disappears.)
5-67
2) EPO switch signal line open-circuit inspection
a. Turn the combination switch OFF and disconnect
the EPO switch terminal
b. Measure the voltage between the EPO switch
terminal main wire harness side No.1 (Pink)
C1
terminal and the engine ground.
EPO SWITCH TERMINAL
MAIN WIRE HARNESS SIDE
VIEWED FROM THE TERMINAL SIDE
Is there the battery voltage?
YES - Replace the EPO switch with a new one and
recheck. If the MIL blinks 26 times again,
replace the ECM with a new one and recheck.
NO - Repair open in the main wire harness
between the ECM and the EOP switch.
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C1
C1
OPSH (Pink)