Honda Motor BF40D Manual Del Usuario página 448

• CKP SENOR 1 TROUBLESHOOTING
MIL blinks 4 times
1) Symptom reproduction test
a. Turn the combination switch OFF. Disconnect CKP
sensor 1 3P connector
again.
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 4 times?
YES - Go to "2) CKP sensor 1 power line open-
circuit inspection."
NO - Temporary failure (Disappears.)
5-53
2) CKP sensor 1 power line open-circuit inspection
once and connect it
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448
a. Turn the combination switch OFF and disconnect
the CKP sensor 1 3P connector
b. Turn the combination switch ON. Measure the
voltage between the CKP sensor 1 3P connector
main wire harness side No.3 (Yellow/Black)
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terminal and the engine ground.
CKP SENSOR 1 3P CONNECTOR
MAIN WIRE HARNESS SIDE
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IGP2
(Yellow/Black)
VIEWED FROM THE TERMINAL SIDE
Is there the battery voltage?
YES - Go to "3) CKP sensor 1 signal line open-
circuit inspection."
NO - Check the No.6 fuse and the main relay (P.
18-17, 18). If there is no problem, replace the
main wire harness.
.
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