HYOSUNG 2010 ST7 Service Manual page 149

Are the resistance and continuity OK?
● L or G wire open or shorted to
ground, or poor
connection of ECU coupler.
● If wire and connection are OK,
YES
intermittent trouble or faulty ECU.
● Recheck each terminal and wire
harness for open circuit and poor
connection.
● Loose or poor contacts on the pick-
up coil coupler or ECU coupler.
NO
● Replace the pick-up coil with a new
one.
B13 or B4
EI SYSTEM DIAGNOSIS 4-42
Gray
ECU Coupler
Black
Black