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:

    C1729 vehicle speed signal
    Description The vehicle speed signal is not being detected by the BCM. DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.  Activate and display TPMS transmitter IDs &nb ...

    Driver seat control unit
    Reference Value VALUES ON THE DIAGNOSIS TOOL CONSULT MONITOR ITEM *: The value at the position attained when the battery is connected is regarded as 32768. TERMINAL LAYOUT PHYSICAL VALUES Fail Safe The fail-safe mode may be activated if the following symptoms are observed. ...

    License plate lamp
    Exploded View License plate lamp Removal and Installation LICENSE PLATE LAMP Removal' Remove the license lamp finisher. Refer to EXT-31, "Removal and Installation". Position trunk lid finisher aside. Refer to INT-36, "Exploded View". Remove the license plate lamp screw and ...

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