Nissan Altima Owners Manual: NISSAN vehicle immobilizer system

The NISSAN Vehicle Immobilizer System will not allow the engine to start without the use of a registered key.

Never leave these keys in the vehicle.

FCC Notice:
For USA:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

NOTE:
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

For Canada:
This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation of the device.

Security indicator light


Security indicator light

The security indicator light blinks whenever the ignition switch is placed in the OFF, LOCK or ACC position. This function indicates the NISSAN Vehicle Immobilizer System is operational.

If the NISSAN Vehicle Immobilizer System is malfunctioning, the light will remain on while the ignition switch is placed in the ON position.

If the light still remains on and/or the engine will not start, see a NISSAN dealer for NISSAN Vehicle Immobilizer System service as soon as possible. Please bring all registered keys that you have when visiting your NISSAN dealer for service.

    Vehicle security system
    audible alarm signals if someone opens the doors, trunk lid or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when ...

    Windshield wiper and washer switch
    WARNING In freezing temperatures the washer solution may freeze on the window and obscure your vision which may lead to an accident. Warm the window with the defroster before you wash the window. ...

    Other materials:

    P0550 PSP Sensor
    Description Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power steering load. This sensor is a potentiometer which transforms the power steering load into output voltage, and emits the voltage signal to the ECM. The ECM controls t ...

    P0500 VSS
    Description The vehicle speed signal is sent to the combination meter from the “ABS actuator and electric unit (control unit)” by CAN communication line. The combination meter then sends a signal to the ECM by CAN communication line. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC P0 ...

    P0725 engine speed signal
    Description The engine speed signal is sent from the ECM to the TCM by CAN communication line. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. NOTE: If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn i ...