Description
This CAN communication line is used to control the smooth engine operation during the TCS operation. Pulse signals are exchanged between ECM and “ABS actuator and electric unit (control unit)”.
Be sure to erase the malfunction information such as DTC not only for “ABS actuator and electric unit (control unit)” but also for ECM after TCS related repair.
DTC Description
DTC DETECTION LOGIC
Freeze frame data is not stored in the ECM for this self-diagnosis.
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P1212 | TCS/CIRC (TCS/CIRC) | ECM can not receive the information from “ABS actuator and electric unit (control unit)” continuously. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC P1217 is displayed with DTC UXXXX or P0607, first perform the trouble diagnosis for DTC UXXXX or P0607.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5V at idle. >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-395, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
Perform the trouble diagnosis for TCS. Refer to BRC-66, "Work Flow".
NOTE: If DTC P1212 is displayed with DTC UXXXX and/or P0607, perform the following trouble diagnosis.
Removal and installation
NATS ANTENNA AMP.
Removal and Installation
REMOVAL
Remove the steering column covers. Refer to IP-17, "Removal and
Installation".
Disconnect the harness connector from the NATS antenna amp.
Release pawls and remove NATS antenna amp. (1) from the
ignition sw ...
Connector Information
HOW TO USE CONNECTOR INFORMATION
Description
Number
Item
Description
1
Connector number
Alphabetic characters show to which harness the connector is
placed.
Numeric characters show the identification number of
connectors.
...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...