Suzuki GSX-R750 Service Manual page 126

1A-54 Engine General Information and Diagnosis:
P0115-H (Use of SDS)
Step
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to "Fuel Tank
Removal and Installation in Section 1G (Page 1G-9)".
3) Check the ECT sensor coupler (1) for loose or poor
contacts.
If OK, then check the ECT sensor lead wire continuity.
4) Disconnect the ECT sensor coupler.
5) Disconnect the ECM coupler. Refer to "ECM Removal
and Installation in Section 1C (Page 1C-1)".
6) Insert the needle pointed probes to the lead wire coupler.
7) Check the continuity between the B/Bl wire and terminal
"32". Also, check the continuity between the B/Br wire
and terminal "35".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test (
ECM couplers (Harness side)
(B)
Is the continuity and voltage OK?
Action
1
)
(A)
"32"
"35"
(Black) (Gray)
Go to Step 2.
I837H1110029-01
?
I837H1110030-01
Yes
B/Bl or B/Br wire open.
No