
2-32
From P. 2-31
Remove the spark plug and check for wet or
fouled electrodes.
Perform the spark test (P. 2-38).
• Clean the electrodes and restart.
• If flooding is severe, check the carburetor
float valve (P. 4-7).
Check for restriction in the carburetor port,
nozzle, and jet.
Wet
Dry
Normal
Perform "No Spark at Spark Plug"
troubleshooting (P. 2-35).
No spark or
weak spark
Good spark
Check whether the auto choke shaft has
closed with the ignition switch turned ON.
The choke valve will be closed initially, then
it will be adjusted automatically according
to the temperature of the cylinder head
when the ignition switch is turned ON.
No good
Good
CHOKE SHAFT
To P. 2-33
Check the choke control motor (P. 4-10).
Replace the choke control motor (P. 4-6).
Normal
Abnormal
Turn the ignition switch OFF and then
restart the engine and check the error code.
If the same error occurs, replace the GCU (P.
6-6).
Abnormal
Replace or repair the engine wire harness
and/or control wire harness.
Abnormal
Check the harness connecting the choke
control motor and GCU for open or short
circuit and for proper connection.
Wire harness check points
W Y R Bu
W
Y
R
Bu
CONTROL
WIRE
HARNESS
ENGINE
WIRE
HARNESS
CHOKE
CONTROL
MOTOR
GCU
Y: YELLOW
Bu: BLUE
R: RED
W: WHITE
Viewed from terminal side
cap.02 EU65is 6500is (Eu).qxd 07.12.17 4:25 PM ページ2-32