Nissan Altima (L33) 2013-2018 Owners Manual: Conditions the remote start will not work
The remote start will not operate if any of the following conditions are present: ● The ignition switch is placed in the ON position.
● The hood is not securely closed.
● The hazard warning lights are on.
● The I–Key Indicator Light 
remains
solid in the vehicle information display.
● The alarm sounds due to illegal entry into the vehicle.
● The ignition switch is pushed without an Intelligent Key in the vehicle.
● The ignition switch is pushed with an Intelligent Key in the vehicle but the brake pedal is not depressed.
● Two remote vehicle starts, or a single remote start with an extension, have already been used.
● The vehicle is not in P (Park).
● The Remote Start function has been switched to the OFF position in Vehicle Settings of the vehicle information display. For additional information, see “Vehicle information display” in the “Instruments and controls” section of this manual.
The remote engine start may display a warning or indicator in the vehicle information display. For an explanation of the warning or indicator please see “Vehicle information display warning and indicators” in the “Instruments and controls” section.
Canceling a remote start
To cancel a remote start, perform one of the
following:
● Aim the Intelligent Key at the vehicle and
press and hold until the parking
lights
turn off.
● Turn on the hazard warning ...
Hood
1 Pull the hood lock release handle located
below the driver’s side instrument panel; the
hood springs up slightly.
2 Push the lever at the front of the hood to the
side as illustrated with yo ...
Other materials:
P1421 Cold start control
Description
ECM controls ignition timing and engine idle speed when engine is started
with prewarming up condition.
This control promotes the activation of three way catalyst by heating the
catalyst and reduces emissions.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1421 is displayed wit ...
Headlamp
Description
Headlamp lighting when theft warning system is in alarm phase.
Component Function Check
1.CHECK HEADLAMP OPERATION
Check if headlamps operate by lighting switch.
Does headlamp come on when turning switch “ON”?
YES >> Headlamp circuit is OK.
NO >> Check headlam ...
U0140 Can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...