Suzuki kq750 Service Manual page 129

Step
1 7) Disconnect the ECM coupler.
8) Check the continuity between Br/W wire "B" and terminal
"10". Also, check the continuity between B/Br wire "C"
and terminal "24".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test (
ECM coupler (Harness side)
"B"
(B)
"24"
Is the continuity OK?
P1651-L (Use of SDS)
Step
1 1) Remove the air cleaner box. Refer to "Air Cleaner Box
Removal and Installation in Section 1D (Page 1D-5)".
2) Turn the ignition switch OFF.
3) Check the TO sensor coupler for loose or poor contacts.
If OK, then check the TO sensor lead wire continuity.
Action
)
"C"
"10"
Action
Engine General Information and Diagnosis:
Yes
Go to Step 2.
(A)
I831G1110058-03
Yes
Go to Step 2.
I831G1110055-01
1A-56
No
Br/W wire shorted to
VCC, or B/Br wire open.
No
R or B wire open, or Br/
W wire shorted to the
ground.