Nissan Maxima Service and Repair Manual: P1211 TCS control unit

Description

The malfunction information related to TCS is transferred via the CAN communication line from "ABS actuator and electric unit (control unit)" to ECM.

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

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

Nissan Maxima. DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle.

2.PERFORM DTC CONFIRMATION PROCEDURE

  1. Start engine and let it idle for at least 60 seconds.
  2. Check 1st trip DTC.
    P1148, P1168 closed loop control
    DTC Logic DTC DETECTION LOGIC NOTE: DTC P1148 or P1168 is displayed with another DTC for A/F sensor 1. Perform the trouble diagnosis for the corresponding DTC. ...

    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 (contr ...

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