Suzuki GSX-R600 Manual page 109

Step
1 6) Disconnect the ECM coupler. Refer to "ECM Removal
and Installation in Section 1C (Page 1C-1)".
7) Insert the needle pointed probes to the lead wire coupler.
8) Check the continuity between the R wire and terminal
"7". Also, check the continuity between the G/B wire and
terminal "19".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
ECM couplers (Harness side)
(B)
"19"
(Black)
Is the continuity OK?
Action
)
?
(A)
"7"
(Gray)
Engine General Information and Diagnosis:
Yes
Go to Step 2.
I837H1110019-02
1A-41
No
R and G/B wire open, G/
B wire shorted to
ground.