Suzuki GSX-R750 Service Manual page 145

P1651-H (Use of SDS)
Step
1 1) Turn the ignition switch OFF.
2) Remove the front seat. Refer to "Exterior Parts Removal
and Installation in Section 9D (Page 9D-11)".
3) Check the TO sensor coupler (1) for loose or poor
contacts.
If OK, then check the TO sensor lead wire continuity.
4) Disconnect the TO sensor coupler.
5) Check the continuity between the R wire and B wire. If
the sound is not heard from the tester, the circuit
condition is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity test (
Action
1
I837H1110050-01
)
I823H1110051-01
Engine General Information and Diagnosis:
Yes
Go to Step 2.
(A)
1A-73
No
B wire shorted to VCC,
or B/Br wire open.