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EC-664
[QR (WITHOUT EURO-OBD)]
DTC P1065 ECM POWER SUPPLY
DTC P1065 ECM POWER SUPPLY PFP:23710
Component Description EBS0110C
Battery voltage is supplied to the ECM even when the ignition switch
is turned OFF for the ECM memory function of the DTC memory, the
air fuel ratio feedback compensation value memory, the Idle Air Vol-
ume Learning value memory, etc.
On Board Diagnosis Logic EBS0110D
DTC Confirmation Procedure EBS0110E
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 wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for 1 second.
4. Turn ignition switch OFF, wait at least 10 seconds, and then turn
ON.
5. Repeat steps 3 and 4 for 4 times.
6. If 1st trip DTC is detected, go to EC-666, "
Diagnostic Procedure"
.
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 1 second.
2. Start engine and let it idle for 1 second.
3. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
4. Repeat steps 2 and 3 for 4 times.
5. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
6. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
7. If 1st trip DTC is detected, go to EC-666, "
Diagnostic Procedure" .
PBIB1164E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1065
1065
ECM power supply circuit
ECM back up RAM system does not function
properly.
● Harness or connectors
[ECM power supply (back-up) circuit is
open or shorted.]
● ECM
SEF058Y
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