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cap.02 EU65is 6500is-2 (E) 07.12.17 5:56 PM ページ2-49
• Low AC Output
(The voltage is normal under no load but it is low under light load)
Check whether an error code is displayed on the i-Monitor.
Check whether the auto choke shaft is fully open position with
the engine warmed up.
CHOKE SHAFT
Check the choke control motor (P. 4-10).
Check the harness connecting the choke control motor and
GCU for open or short circuit and for proper connection.
Wire harness check points
ENGINE WIRE
HARNESS
CONTROL WIRE
HARNESS
Viewed from terminal side
2-49
Not displayed
Closed
Normal
CHOKE
W
Y
R Bu
CONTROL
MOTOR
GCU
Y
Bu
R
W
Bu: BLUE
W: WHITE
Y: YELLOW
R: RED
Normal
Go to P. 2-50
Displayed
Refer to "FAILURE BY ERROR
CODE" troubleshooting (P. 2-11).
Fully open
• SPARK PLUG faulty (P. 3-4).
• AIR CLEANER restricted (P. 3-3).
• VALVE CLEARANCE incorrect
(P. 3-5).
• CYLINDER, PISTON or PISTON
RING worn (P. 14-6 and 7).
• CARBURETOR faulty (P. 4-7).
Abnormal
Replace the choke control motor
(P. 4-6).
Abnormal
Replace or repair the engine wire
harness and/or control wire
harness.
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