Suzuki SFV650 Service Manual page 165

Step
2 1) Disconnect the ECM coupler. Refer to "ECM Removal
and Installation in Section 1C (Page 1C-1)".
2) Insert the needle pointed probes to the lead wire coupler.
3) Check there is continuity between the W/B wire "A" and
ECM terminal "17".
NOTE
Battery voltage can be detected only before
starting the engine.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
"A"
Is there continuity?
Action
)
(B)
(B)
"17"
Engine General Information and Diagnosis:
Yes
Go to Step 3.
(A)
I944H1110153-01
1A-102
No
Open circuit in the W/B
wire.