Nissan Altima 2007-2012 Service Manual: 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.

    P0850 PNP Switch
    Description When the selector lever position is P or N, park/neutral position (PNP) signal from the TCM is sent to ECM (CVT models). When the selector lever position is Neutral position, park/n ...

    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 (cont ...

    Other materials:

    Microphone
    Removal and Installation REMOVAL 1. Remove the room/map lamp assembly. Refer to INL-121, "Removal and Installation". 2. Detach the microphone connector (A). 3. Remove the map lamp covers (1), then remove the map lamp assembly cover (2). 4. Release the microphone tabs (A), th ...

    Periodic maintenance
    Introduction of Periodic Maintenance Two different maintenance schedules are provided, and should be used, depending upon the conditions in which the vehicle is mainly operated. After 60,000 miles (96,000 km) or 48 months, continue the periodic maintenance at the same mileage/time intervals. ...

    U0101 can comm circuit
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each c ...