Nissan Altima 2007-2012 Service Manual: How to read wiring diagrams

Connector symbols

Most of connector symbols in wiring diagrams are shown from the terminal side.

    How to follow trouble diagnoses
    Description NOTICE: Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following instructions before diagnosing. ...

    Abbreviations
    Abbreviation List The following ABBREVIATIONS are used: ...

    Other materials:

    P0506 ISC System
    Description The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine ...

    Interior room lamp
    Removal and Installation FRONT ROOM/MAP LAMP NOTE: For non-sunroof equipped vehicles, the front room/map lamp assembly is an integral part of the headinlining and repaired only as an assembly. Refer to INT-20, "Removal and Installation" for coupe models, and INT-42, "Removal ...

    The oil pressure warning lamp does not turn on
    Description The oil pressure warning lamp stays off when the ignition switch is turned ON. Diagnosis Procedure 1.CHECK OIL PRESSURE WARNING LAMP Perform IPDM E/R auto active test. Refer to PCS-14, "Diagnosis Description". Is oil pressure warning lamp illuminated? YES >> G ...