Nissan Altima 2007-2012 Service Manual: Nissan vehicle immobilizer systemnats symptoms

Symptom Table

Security indicator does not turn ON or flash.

CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-209, "Work Flow"”. Determine malfunctioning condition before performing this diagnosis.

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis.

• Check systems shown in the “Action” column in this order.

CONDITIONS OF VEHICLE (OPERATING CONDITIONS) • Intelligent Key is not inserted into key slot.

• Engine switch is not depressed.

    Vehicle security system symptoms
    Symptom Table *: Check that the system is in the armed phase. ...

    Other materials:

    Engine oil
    Inspection OIL LEVEL • Before starting the engine, check the oil level. If the engine is already started, stop it and allow 10 minutes before checking. • Check that the oil level is within the range on the dipstick. • If it is out of range, add oil as necessary. Refer to LU-9, " ...

    P0420, P0430 Three way catalyst function
    DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage c ...

    Starting system
    Wiring Diagram - Coupe Wiring Diagram - Sedan ...