HYOSUNG 2010 ST7 Service Manual page 143

◈ Step 2
1) Remove the frame cover.
2) Turn the ignition switch "OFF" position.
3) Disconnect the TP sensor coupler.
4) Check the continuity between
TP sensor continuity
Tester knob indication : Resistance (
Is the continuity OK?
Go to Step 3.
YES
Replace the TP sensor with a new
NO
one.
◈ Step 3
1) Connect the TP sensor coupler.
2) Insert the needle pointed probes to the lead wire
coupler.
3) Turn the ignition switch "ON" position.
Measure the TP sensor output voltage at the cou-
pler ~between
(
turning the throttle grip.
TP sensor output voltage
Throttle valve is closed
Throttle valve is opened
Tester knob indication : Voltage (
(LY) and ground.
∞
Ω
(Infinity)
( - Ground)
: LY) and ( : GR)₩by
Approx. 1.07 ~ 1.17 V
Approx. 4.30 ~ 4.70 V
Ω Ω
)
)
EI SYSTEM DIAGNOSIS 4-36
Ground