Suzuki GSF1250 Service Manual page 102

1A-33 Engine General Information and Diagnosis:
Step
2 4) Disconnect the IAP sensor (No.1) coupler.
5) Check the continuity between the W/Bl wire and ground.
Also, check the continuity between the W/Bl 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)
Tester knob indication
Continuity (
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 B wire "A" and terminal
"11". Also, check the continuity between the W/Bl wire
"C" and terminal "26".
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
"C"
(B)
"26"
Is the continuity OK?
Action
)
(A)
)
"A"
"11"
Yes
Go to Step 3.
I718H1110260-02
(A)
I718H1110241-01
No
B and W/Bl wire open,
W/Bl wire shorted to the
ground.