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EC-718
[QR (WITHOUT EURO-OBD)]
DTC P0605 ECM
DTC P0605 ECM PFP:23710
Component Description BBS001PI
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
On Board Diagnosis Logic BBS001PJ
This self-diagnosis has one or two trip detection logic.
FAIL-SAFE MODE
ECM enters fail-safe mode when malfunction A is detected.
DTC Confirmation Procedure BBS001PK
Perform PROCEDURE FOR MALFUNCTION A first. If the DTC cannot be confirmed, perform PROCE-
DURE FOR MALFUNCTION B. If there is no malfunction on PROCEDURE FOR MALFUNCTION B, per-
form PROCEDURE FOR MALFUNCTION C.
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.
PROCEDURE FOR MALFUNCTION A
With CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. If 1st trip DTC is detected, go to EC-720, "
Diagnostic Procedure"
.
Without CONSULT-II
1. Turn ignition switch ON.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
PBIB1164E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0605
0605
Engine control module
A) ECM calculation function is malfunctioning.
● ECMB) ECM EEP-ROM system is malfunctioning.
C) ECM self shut-off function is malfunctioning.
Detected items Engine operation condition in fail-safe mode
Malfunction A
● ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx.
5 degrees) by the return spring.
● ECM deactivates ASCD operation.
SEF058Y
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