2-29
Perform the cylinder compression check (P.
2-30).
Check the throttle control motor (P. 4-10).
Not fully open
From P. 2-28
With the ignition switch OFF, check whether
the throttle valve is fully open
The throttle arm should contact with the
stopper.
Fully open
THROTTLE ARM
STOPPER
Replace the throttle control
motor (P. 4-6).
Abnormal
Normal
Check the harness connecting the throttle
control motor and inverter unit for open or
short circuit and for proper connection.
THROTTLE
CONTROL
MOTOR
ENGINE WIRE HARNESS
Bu
Y
R
W
Viewed from terminal side
Wire harness check points
INVERTER
UNIT
Y: YELLOW
Bu: BLUE
R: RED
W: WHITE
Replace or repair the
engine wire harness.
Abnormal
Normal
Turn the ignition switch OFF and then
restart the engine and check the error code.
If the same error occurs, replace the inverter
unit (P. 6-2).
• Check the valve clearance (P. 3-6).
• Check for carbon deposits in the
combustion chamber (P. 13-1).
• Check the valve clearance (P. 3-6).
• Check that the cylinder head is correctly
tightened (P. 13-1).
• Check for defective cylinder head gasket,
valves or valve seats (P. 13-1, 2, 3 and 4).
• Check for worn piston, piston rings or
cylinder (P. 14-5, 6 and 7).
High cylinder
compression
Low cylinder
compression
Install the spark plug and restart the engine.
Normal compression
cap.02 EU65is 6500is (Eu).qxd 07.12.17 4:25 PM ページ2-29