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:

    The low washer fluid warning continues displaying, or does not display
    Description  The warning is still displayed even after washer fluid is added.  The warning is not displayed even though the washer tank is empty. Diagnosis Procedure 1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT Check the washer fluid level switch signal cir ...

    Precaution
    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for ...

    Power steering solenoid valve
    Description Power steering solenoid valve controls the power steering oil pressure in the gear housing assembly. Diagnosis Procedure 1.CHECK POWER STEERING SOLENOID VALVE SIGNAL Start engine. Check voltage between power steering control unit connectorM59 terminal 1 and ground ...

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