Suzuki GSF650A Service Manual page 110

1A-35 Engine General Information and Diagnosis:
Step
2 4) Disconnect the IAP sensor coupler.
5) Check the continuity between the W/Bl wire "C" 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 (
ECM coupler (Harness side)
"C"
(B)
"26"
Is the continuity OK?
Action
)
(A)
)
"A"
"11"
Yes
Go to Step 3.
I718H1110164-03
(A)
I718H1110241-01
No
B and W/Bl wire open,
W/Bl wire shorted to the
ground.