1A-51 Engine General Information and Diagnosis:
P0115-L (Use of SDS)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the throttle body. Refer to “Throttle Body
Removal and Installation in Section 1D (Page 1D-10)”.
3) Check the ECT sensor coupler (1) for loose or poor
contacts.
If OK, then check the ECT sensor lead wire continuity.
4) Disconnect the ECT sensor coupler and ECM coupler.
Refer to “ECM Removal and Installation in Section 1C
(Page 1C-1)”.
5) Check there is no continuity between the B/Bl wire “A”
and ground, B/Br wire “B” and ground, B/Bl wire “A” and
B/Br wire “B”.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity ( )
Is there no continuity?
Go to Step 2. Short circuit in the B/Bl
or B/Br wire.
1
I944H1110034-01
(A)
“A”
“B”
I944H1110127-01
(A)
“A”
“B”
I944H1110128-01
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