"C23" To Sensor Circuit Malfunction; "C24" Ignition Coil Malfunction - HYOSUNG MS3 250 Sercie Manual

4-27 FI SYSTEM DIAGNOSIS

"C23" TO SENSOR CIRCUIT MALFUNCTION

DETECTED CONDITION
Output voltage is out of the specified range.
4.5 V � Sensor voltage �
▣ ▣ INSPECTION
1) Lift and support the side cover with the side cover
stay. (Refer to page 2-2)
2) Turn the ignition switch "
3) Check the TO sensor coupler for loose or poor
contacts.
4) Remove the TO sensor.
Is OK?
● YL or BW wire open or shorted to
ground, or poor ⑮
connection.
● If wire and connection are OK,
YES
intermittent trouble or faulty ECU.
● Recheck each terminal and wire
harness for open circuit and poor
connection.
Replace the TO sensor with a new
NO
one.

"C24" IGNITION COIL MALFUNCTION

� Refer to the IGNITION COIL for details. (Refer to page 7-3)
5.5 V
" (OFF) position.
or ⑤
POSSIBLE CAUSE
● TO sensor circuit short or leaned more than 60。 .
● TO sensor malfunction.
● ECU malfunction.
⑮
⑤
ECU Coupler