Nissan Maxima Service and Repair 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.

Nissan Maxima. DTC DETECTION LOGIC

    P1078, P1084 EVT control position sensor
    Description Exhaust valve timing control position sensor detects the concave groove of the exhaust camshaft rear end. This sensor signal is used for sensing a position of the exhaust camshaf ...

    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 malfuncti ...

    Other materials:

    Tire Pressure Monitoring System (TPMS)
    Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on th ...

    BCM branch line circuit
    Diagnosis Procedure 1.CHECK CONNECTOR  Turn the ignition switch OFF.  Disconnect the battery cable from the negative terminal.  Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). 2. ...

    Diagnosis system (audio unit)
    Diagnosis Description Self-diagnosis mode can perform the following items. Versions display Channel check diagnosis Key check diagnosis AV communication diagnosis VERSIONS DISPLAY FUNCTION Turn ignition switch ON. Turn the audio unit off. While pressing "1" button, turn volume ...

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