Nissan Altima 2007-2012 Service Manual: Vehicle security system symptoms

Symptom Table

*: Check the system is in the armed phase.

    Intelligent key system/engine start function symptoms
    Symptom Table Engine cannot be started with all Intelligent Keys. CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-10, "Work Flow"”. Determine malfunctioning condi ...

    Nissan vehicle immobilizer systemnats symptoms
    Symptom Table Security indicator does not turn ON or flash. CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-10, "Work Flow"”. Determine malfunctioning condition b ...

    Other materials:

    U1209 DVD-ROM read
    Description Refer to AV-240, "System Description". DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK DVD-ROM Check DVD-ROM for dirt, scratches and warpage. Is the DVD-ROM clean and undamaged? YES >> Replace AV control unit. Refer to AV-437, "Removal and Insta ...

    P0031, P0032, P0051, P0052 A/F sensor 1 heater
    Description SYSTEM DESCRIPTION The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element within the specified range. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECO ...

    Rear seat head restraints/headrests
    WARNING ● Head restraints/headrests supplement the other vehicle safety systems. They may provide additional protection against injury in certain rear end collisions. Adjust the head restraints/headrests properly, as specified in this section. Check the adjustment after someone else ...