Nissan Altima 2007-2012 Service Manual: 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, first perform the trouble diagnosis for DTC UXXXX.

Refer to EC-1179, "DTC Logic".

• If DTC P1212 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-1378, "DTC Logic".

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

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following 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 10.5 V 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 >> Go to EC-1387, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

Go to BRC-6, "Work Flow".

    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. ...

    P1217 Engine over temperature
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. Refer to EC-1179, "DTC Logic". • If DTC P121 ...

    Other materials:

    Air conditioner control
    System Diagram CONTROL SYSTEM The control system consists of input sensors, switches, front air control and outputs. The relationship of these components is shown in the figure below: System Description CONTROL OPERATION 1. Blower control dial 2: Air recirculation switch 3: Defroster ...

    Ignition coil
    Exploded View 1. Ignition coil 2. Spark plug 3. Rocker cover (RH) 4. Rocker cover (LH) Removal and Installation LH REMOVAL 1. Remove engine room cover. 2. Disconnect ignition coil connector. 3. Remove the ignition coil. CAUTION: Never shock ignition coil. INSTALLATION Installatio ...

    Precautions
    Description Observe the following precautions to ensure safe and proper servicing. These precautions are not described in each individual section. Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as “AIR ...