Nissan Altima 2007-2012 Service Manual: Additional service when replacing control unit
Description
When replacing ECM, the following procedure must be performed.
Special Repair Requirement
1.PERFORM INITIALIZATION OF NVIS (NATS) SYSTEM AND REGISTRATION OF ALL NVIS (NATS) IGNITION KEY IDS
Refer to SEC-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (COUPE models) or SEC-214, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (SEDAN models).
>> GO TO 2.
2.PERFORM VIN REGISTRATION
Refer to EC-1052, "VIN REGISTRATION : Special Repair Requirement".
>> GO TO 3.
3.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
Refer to EC-1053, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".
>> GO TO 4.
4.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Refer to EC-1053, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 5.
5.PERFORM IDLE AIR VOLUME LEARNING
Refer to EC-1053, "IDLE AIR VOLUME LEARNING : Special Repair Requirement".
>> END
Basic inspection
Special Repair Requirement
1.INSPECTION START
1. Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
2. Open engi ...
Idle speed
Description
This describes how to check the idle speed. For the actual procedure, follow
the instructions in “BASIC
INSPECTION”.
Special Repair Requirement
1.CHECK IDLE SPEED
Check idle ...
Other materials:
P1574 ASCD Vehicle speed sensor
Description
The ECM receives two vehicle speed signals via CAN communication line. One is
sent from combination
meter, and the other is from TCM (Transmission control module). The ECM uses
these signals for ASCD control.
Refer to EC-603, "System Description" for ASCD functions.
D ...
Normal operating condition
Description
The majority of the audio concerns are the result of outside causes (bad CD,
electromagnetic interference,
etc.).
NOISE
The following noise results from variations in field strength, such as fading
noise and multi-path noise, or
external noise from trains and other sources. It i ...
Towing recommended by NISSAN
NISSAN recommends that your vehicle be towed
with the driving (front) wheels off the ground or
place the vehicle on a flat bed truck as illustrated.
CAUTION
● Never tow Continuously Variable Transmission
(CVT) models with the front
wheels on the ground or four wheels on
the ground ( ...