Suzuki SFV650 Service Manual page 112

1A-49 Engine General Information and Diagnosis:
Step
1 6) If OK, then check there is ECT sensor lead wire no
continuity.
7) Turn the ignition switch OFF.
8) Disconnect the ECM coupler. Refer to "ECM Removal
and Installation in Section 1C (Page 1C-1)".
9) Check there is no continuity between the B/Bl wire "A"
and ground, B/Br wire "B" and ground, B/Bl wire "A" and
B/Br wire "B".
Special tool
(A): 09900–25008 (Multi circuit tester set)
Tester knob indication
Continuity (
"A"
"A"
Is there no continuity?
Action
)
"B"
"B"
Yes
Go to Step 2.
(A)
I944H1110125-01
(A)
I944H1110126-01
No
Short circuit in the B/Bl
wire or B/Br wire.