Suzuki GSF1250 - Page 149

Engine General Information and Diagnosis: 1A-80
2 3) Disconnect the STP sensor coupler.
4) Check the continuity between the Y/W 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)
Tester knob indication
Continuity ( )
5) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
6) Check the continuity between the Y/W wire “A” and
terminal “20”. Also, check the continuity between the B/
Br wire “B” and terminal “29”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test ( )
Is the continuity OK?
Go to Step 4. Y/W wire shorted to
Vcc, or B/Br wire open.
Step Action Yes No
(A)
I718H1110088-04
“A”
“29”
(A)
“B”
(B)
“20”
I718H1110089-04