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-411, "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)

• Keyfob 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:

    BCM 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 BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...

    Rear window defogger system
    System Diagram System Description Operation Description • Turn rear window defogger switch ON when the ignition switch is turned ON. Then front air control (rear window defogger switch) transmits rear window defogger switch signal to BCM. • BCM turns rear window defogger relay ON whe ...

    P0776 pressure control solenoid B performance (sec pressure solenoid valve)
    Description The pressure control solenoid valve B (secondary pressure solenoid valve) regulates the secondary pressure to suit the driving condition in response to a signal sent from the TCM. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a saf ...