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EC-1318
[YD (WITH EURO-OBD)]
DTC P0686 ECM RELAY
DTC P0686 ECM RELAY PFP:25230
On Board Diagnosis Logic BBS0023B
This self-diagnosis has the one trip detection logic.
The MI will not light up for this self-diagnosis.
DTC Confirmation Procedure BBS0023C
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON and then turn OFF.
2. Wait at least 30 seconds.
3. Turn ignition switch ON.
4. Select “DATA MONITOR” mode with CONSULT-II.
5. If DTC is detected, go to EC-1320, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0686
0686
ECM relay circuit
ECM detects ECM relay is stuck closed even if
ignition switch OFF.
● Harness or connectors
(The ECM relay circuit is shorted.)
● ECM relay
SEF817Y
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