Suzuki GSF1250 Service Manual page 109

Step
2 4) Insert the needle pointed probes to the lead wire coupler.
5) Check the continuity between the P/B wire and R 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 (
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 B/Br
wire "C" and terminal "29".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
"C"
(B)
"8"
Is the continuity OK?
Action
)
(B)
)
"B"
?
"29"
Engine General Information and Diagnosis:
Yes
Go to Step 4.
(A)
I718H1110170-02
(A)
I718H1110171-02
1A-40
No
P/B wire shorted to Vcc,
or B/Br wire open.