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EC-944
[YD (WITH EURO-OBD)]
DTC U1000 CAN COMMUNICATION LINE
DTC U1000 CAN COMMUNICATION LINE PFP:23710
Description EBS0117P
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
On Board Diagnosis Logic EBS0117Q
This self-diagnosis has the one trip detection logic.
The MI will not light up for this self-diagnosis.
DTC Confirmation Procedure EBS0117R
1. Turn ignition switch ON and wait at least 3 seconds.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. If DTC is detected, go to EC-946, "
Diagnostic Procedure" .
DTC No.
Trouble diagnosis
name
DTC detecting condition Possible cause
U1000
CAN communication
line
● ECM can not communicate to other control
unit.
● ECM can not communicate for more than the
specified time.
● Harness or connectors
(CAN communication line is open or
shorted)
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