Nissan Versa (N17): 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 U1001, first perform the trouble diagnosis for DTC U1001. Refer to EC, "DTC Logic".
  • If DTC P1212 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC, "DTC Logic".

Freeze frame data is not stored in the ECM for this self-diagnosis.

DTC No. Trouble diagnosis (Trouble diagnosis content) DTC detecting condition Possible cause
P1212 TCS/CIRC (TCS communication line) ECM can not receive the information from "ABS actuator and electric unit (control unit)" continuously.
  • Harness or connectors (CAN communication line is open or shorted.)
  • ABS actuator and electric unit (control unit)
  • Dead (Weak) battery

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

  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 more than 10.5V 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 EC, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

Perform the trouble diagnosis for TCS. Refer to BRC, "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 EC, "DTC Index".
  • Trouble diagnosis for DTC P0607 Refer to EC, "DTC Logic".

Other materials:

Remote keyless entry system (if so equipped)
WARNING Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should contact the electric medical equipment manufacturer for the possible influences before use. The remote keyless entry key fob transmits radio waves when the buttons are pressed. ...

Fluid cooler tube
Exploded View 1. Fluid cooler tube A 2. Copper sealing washer 3. Fluid cooler tube B 4. Bolt 5. Transaxle assembly Removal and Installation WARNING: Do not open the radiator cap or drain plug when the engine is hot. There is a danger that hot liquid may spray out, causing serious in ...

Categories


© 2017-2025 Copyright www.niveguide.com
0.0069