Nissan Altima Owners Manual: Freeing a frozen door lock

To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry function on the Intelligent Key.

    Anti-freeze
    In the winter when it is anticipated that the temperature will drop below 32F (0C), check the anti-freeze to assure proper winter protection. For details, see Engine cooling system in the M ...

    Other materials:

    BCM (Body control module)
    Reference Value VALUES ON THE DIAGNOSIS TOOL Terminal Layout Physical Values 1: Sedan only 2: With LH front window anti-pinch 3: With LH and RH front window anti-pinch Wiring Diagram-Coupe Wiring Diagram-Sedan ...

    DLC branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side) ...

    Removal and installation
    EPS CONTROL UNIT Removal and Installation REMOVAL 1. Remove audio/navi unit. Refer to AV-72, "Removal and Installation" or AV-437, "Removal and Installation" (with navi). 2. Remove power steering control unit (1). 3. Disconnect power steering control unit connector. ...