Engine General Information and Diagnosis: 1A-112
Troubleshooting
CAUTION
!
When using the multi-circuit tester, do not strongly touch the terminal of the ECM coupler with a
needle pointed tester probe to prevent the terminal damage or terminal bend.
NOTE
After repairing the trouble, clear the DTC using SDS tool. Refer to “Use of SDS Diagnosis Reset
Procedures (Page 1A-13)”.
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the seat. Refer to “Exterior Parts Removal and
Installation in Section 9D (Page 9D-6)”.
3) Check the cooling fan relay coupler for loose or poor
contacts.
If OK, then inspection the cooling fan relay. Refer to
“Cooling Fan Inspection in Section 1F (Page 1F-8)”.
Is the cooling fan relay OK?
• O/W and O/R wire
open or shorted to
the ground, or poor
“15” connection.
• If wire and
connection are OK,
intermittent trouble or
faulty ECM.
• Recheck each
terminal and wire
harness for open
circuit and poor
connection.
• Replace the ECM
with a known good
one, and inspect it
again. Refer to “ECM
Removal and
Installation in Section
1C (Page 1C-1)”.
Replace the cooling fan
relay with a new one.
I718H1110255-01
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