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:

    Steering wheel
    Removal and Installation REMOVAL NOTE: When reconnecting spiral cable, fix cable with a tape so that fixing case and rotating part keep aligned. This will omit neutral position alignment procedure during spiral cable installation. 1. Set vehicle to the straight-ahead position. 2. Remove ...

    B260C steering lock unit
    Description The electronic steering column lock performs the check by itself according to the steering status. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON. 2. Turn ignition switch OFF. 3. Press door switch ...

    Power window main switch
    Description • BCM supplies power. • It operates each power window motor via corresponding power window switch and makes window move up/ down when main power window and door lock/unlock switch is operated. Component Function Check Main Power Window And Door Lock/unlock Switch 1. CHECK ...