Suzuki GSF650A Service Manual page 145

C23 (Use of mode select switch)
Step
1 1) Turn the ignition switch OFF.
2) Remove the seat. Refer to "Exterior Parts Removal and
Installation (GSF650/S/A/SAK7) in Section 9D
(Page 9D-6)".
3) Check the TO sensor coupler for loose or poor contacts.
If OK, then measure the TO sensor resistance.
4) Disconnect the TO sensor coupler and dismount the TO
sensor.
5) Measure the resistance between terminal "A" and
terminal "C".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
TO sensor resistance
16.5 – 22.3 kΩ
(Terminal "A" – Terminal "C")
Tester knob indication
Resistance (Ω)
Is the resistance OK?
Action
(A)
"C" "A"
Engine General Information and Diagnosis:
Yes
Go to Step 2.
I717H1110021-02
I718H1110188-02
1A-70
No
Replace the TO sensor
with a new one. Refer to
"TO Sensor Removal
and Installation in
Section 1C (Page 1C-
3)".