Suzuki GSF1250 Service Manual page 111

Step
2 5) Check the continuity between the P/B wire and ground.
Also, check the continuity between the P/B wire and B/Br
wire.
If the sound is not heard from the tester, the circuit
condition is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test (
6) Disconnect the ECM coupler. Refer to "ECM Removal
and Installation in Section 1C (Page 1C-1)".
7) Check the continuity between the P/B wire "B" and
terminal "8". Also, check the continuity between the R
wire "A" and terminal "11".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
(B)
"8"
Is the continuity OK?
Action
)
(B)
"B"
"A"
"11"
Engine General Information and Diagnosis:
Yes
Go to Step 3.
(A)
I718H1110040-03
(A)
I718H1110041-03
1A-42
No
R and P/B wire open, or
P/B wire shorted to the
ground.