Operation CHARM: Car repair manuals for everyone.

For USA and Canada




P1212 TCS COMMUNICATION LINE

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 Logic


DTC DETECTION LOGIC

NOTE:
-If DTC P1212 is displayed with DTC UXXXX, perform the trouble diagnosis for DTC UXXXX.
-If DTC P1212 is displayed with DTC P0607, perform the trouble diagnosis for DTC P0607.
Freeze frame data is not stored in the ECM for this self-diagnosis.






DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

1.Turn ignition switch OFF and wait at least 10 seconds.
2.Turn ignition switch ON.
3.Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:


Before performing the following procedure, confirm that battery voltage is 10.5 V or more at idle.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

1.Start engine and let it idle for at least 10 seconds.
2.Check 1st trip DTC.
Is 1st trip DTC detected?
YES- Proceed to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure

Perform the trouble diagnosis for TCS. Refer to "Work Flow" Work Flow.
NOTE:
If DTC P1212 is displayed with DTC UXXXX and/or P0607, perform the following trouble diagnosis.
- Trouble diagnosis for DTC UXXXX Refer to "DTC Index" Testing and Inspection.
- Trouble diagnosis for DTC P0607 Refer to "DTC Logic" For USA and Canada.