"C37" Sav Solenoid Malfunction - HYOSUNG MS3 250 Sercie Manual

4-31 FI SYSTEM DIAGNOSIS

"C37" SAV SOLENOID MALFUNCTION

DETECTED CONDITION
SAV solenoid voltage is not input in ECU.
▣ ▣ 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 SAV solenoid coupler for loose or poor
contacts.
4) Connect the SAV solenoid coupler.
5) Turn the ignition switch "
6) Measure the voltage at the wire side coupler
between GL wire and ground.
SAV solenoid voltage
Pocket tester : 09900-25002
Tester knob indication : Voltage (
Is the voltage OK?
● GL wire open or shorted to ground, or �
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 SAV solenoid with a new
NO
one.
" (OFF) position.
" (ON) position.
Battery voltage
( � GL - �
Ground )
)
POSSIBLE CAUSE
● SAV solenoid circuit open or short.
● SAV solenoid malfunction.
● ECU malfunction.
�
ECU Coupler