Suzuki VLR1800, Service Manual

Page: 123 / 624

Engine General Information and Diagnosis: 1A-54
P0110-H (Use of SDS)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the fuel tank. Refer to “Fuel Tank Removal and
Installation in Section 1G (Page 1G-8)”.
3) Check the IAT sensor coupler (1) for loose or poor
contacts.
If OK, then check the IAT sensor lead wire continuity.
4) Disconnect the IAT 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 the lead wire coupler.
7) Check the continuity between the Dg wire and terminal
“27”.
Also, check the continuity between the B/Br wire and
terminal “29”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity (
)
ECM couplers (Harness side)
Is the continuity OK?
Connect the ECM
coupler and go to Step
2. Dg or B/Br wire open.
1
I822H1110040-01
(Black) (Gray)
(A)
(B)
“27” “29”
I822H1110041-01