Suzuki kq750 2008, Service Manual

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1A-43 Engine General Information and Diagnosis:
P0115-H (Use of SDS)
Step Action Yes No
1 1) Remove the left side cover. Refer to “Front Side Exterior
Parts Removal and Installation in Section 9D (Page 9D-
6)”.
2) Turn the ignition switch OFF.
3) Check the ECT sensor coupler for loose or poor
contacts.
If OK, then check the ECT sensor lead wire continuity.
4) Disconnect the ECT sensor coupler.
5) Disconnect the ECM coupler. Refer to “ECM Removal
and Installation in Section 1C (Page 1C-1)”.
6) Insert the needle pointed probes to lead wire coupler.
7) Check the continuity between B/Bl wire “A” and terminal
“11”.
Also, check the continuity between B/Br wire “B” and
terminal “24”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test (
)
ECM coupler (Harness side)
Is the continuity OK?
Go to Step 2. B/Bl or B/Br wire open.
I831G1110042-01
“24”
“11”
(A)
(B)
“A”
“B”
I831G1110044-03