Nissan Altima 2007-2012 Service Manual: P1148 closed loop control

DTC Logic

DTC DETECTION LOGIC

NOTE: DTC P1148 is displayed with another DTC for A/F sensor 1.

Perform the trouble diagnosis for the corresponding DTC.

    P0850 PNP Switch
    Description When the shift lever position is P or N (CVT), Neutral position (M/T), park/neutral position (PNP) switch is ON. ECM detects the position because the continuity of the line (the ON ...

    P1217 engine over temperature
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. • If DTC P1217 is displayed with DTC P0607, first perfor ...

    Other materials:

    Consult-iii checking system
    Description • When CONSULT-III is connected with a data link connector equipped on the vehicle side, it will communicate with the control unit equipped in the vehicle and then enable various kinds of diagnostic tests. 1 : Hood release handle 2 : Data link connector • Refer to “CONSU ...

    Pre-inspection for diagnostic
    Basic Inspection The engine start function, door lock function, power distribution system and NATS-IVIS/NMS in the Intelligent Key system are closely related to each other regarding control. Narrow down the functional area in question by performing basic inspection to identify which function ...

    Front wiper does not operate
    Description The front wiper does not operate under any operation conditions Diagnosis Procedure 1. CHECK WIPER RELAY OPERATION 1. Start IPDM E/R auto active test. Refer to PCS-14, "Diagnosis Description". 2. Check that the front wiper operates at the LO/HI operation. 1. Select ...