Suzuki LT-Z400, Service Manual

Page: 104 / 492

1A-37 Engine General Information and Diagnosis:
P0115-L (Use of SDS)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Check the ECT sensor coupler for loose or poor
contacts.
If OK, then check the ECT sensor lead wire continuity.
3) Disconnect the ECT sensor coupler.
4) Check the continuity between B/Bl wire and ground.
If sound is not heard from the tester, the circuit condition
is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Continuity test (
)
5) Connect the ECT sensor coupler.
6) Insert the needle pointed probes to the lead wire coupler.
7) Turn the ignition switch ON.
Go to Step 2. • B/Bl wire shorted to
ground.
• If wire is OK, go to
Step 2.
I933H1110039-01
(A)
(B)
I933H1110042-01
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