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DTC P1212 TCS COMMUNICATION LINE
EC-347
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC P1212 TCS COMMUNICATION LINE PFP:47850
Description EBS010T5
NOTE:
If DTC P1212 is displayed with DTC U1000 or U1001, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-132, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse
signals are exchanged between ECM and ESP/TCS/ABS control unit.
Be sure to erase the malfunction information such as DTC not only for ESP/TCS/ABS control unit but
also for ECM after TCS related repair.
On Board Diagnosis Logic EBS010T6
Freeze frame data is not stored in the ECM for this self-diagnosis. The MI will not light up for this self-
diagnosis.
DTC Confirmation Procedure EBS010T7
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 10.5V at idle.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for at least 10 seconds.
4. If a 1st trip DTC is detected, go to EC-347, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic Procedure EBS010T8
1. CHECK ESP/TCS/ABS CONTROL UNIT FUNCTION
Refer to BRC-58, "
TROUBLE DIAGNOSIS" .
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1212
1212
TCS communication
line
ECM can not receive the information
from ESP/TCS/ABS control unit continu-
ously.
● Harness or connectors
(The CAN communication line is open or
shorted.)
● ESP/TCS/ABS control unit
● Dead (Weak) battery
SEF058Y
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