HYOSUNG 2010 ST7 Service Manual page 144

4-37 EI SYSTEM DIAGNOSIS
Is the output voltage OK?
● OB, LY or GR wire open or
shorted to ground, or poor
, or
B12
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.
If check result is not satisfactory,
replace the TP sensor with a new
NO
one.
,
B16
connection of ECU
B10
Gray
ECU Coupler
Black