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

Symptom Table

*: Check that the system is in the armed phase.

    Engine start function symptoms
    Symptom Table Engine cannot be started with all keyfobs. CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-411, "Work Flow"”. Determine malfunctioning condition b ...

    Nissan vehicle immobilizer systemnats symptoms
    Symptom Table Security indicator does not turn ON or flash. CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-411, "Work Flow"”. Determine malfunctioning conditio ...

    Other materials:

    Tweeter (sedan)
    Description The audio unit sends audio signals to the tweeters using the door speaker circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect audio unit connector M43 (A) and suspect tweeter connector (B). 2. Check continuity between audio unit harness connector M43 (A) and suspect t ...

    P2100, p2103 throttle control motor relay
    Description Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery vol ...

    Three-way catalyst
    The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNING ● The exhaust gas and the exhaust system are very hot. Keep people, animals or flammable mater ...