Nissan Altima 2007-2012 Service Manual: Additional service when replacing control unit

Description

When replacing ECM, this procedure must be performed.

Special Repair Requirement

1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS

Refer to SEC-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (Coupe) or SEC- 214, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (Sedan).

>> GO TO 2.

2.PERFORM VIN REGISTRATION

Refer to EC-29, "VIN REGISTRATION : Special Repair Requirement".

>> GO TO 3.

3.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

Refer to EC-29, "ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Requirement".

>> GO TO 4.

4.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

Refer to EC-29, "THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".

>> GO TO 5.

5.PERFORM IDLE AIR VOLUME LEARNING

Refer to EC-30, "IDLE AIR VOLUME LEARNING : Special Repair Requirement".

>> END

    Inspection and adjustment
    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 main ...

    Idle speed
     Description This describes how to check the idle speed. For the actual procedure, follow the instructions in “BASIC INSPECTION”. IDLE SPEED : Special Repair Requirement 1.CHECK IDLE S ...

    Other materials:

    IPDM E/R (Intelligent power distribution module engine room)
    Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES Wiring Diagram — Coupe Wiring Diagram — Sedan Fail Safe CAN COMMUNICATION CONTROL When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe ...

    Normal operating condition
    Description FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED) If the engine speed is above 1,400 rpm under no load (for example, the selector lever position is P or N and engine speed is over 1,400 rpm) fuel will be cut off after some time. The exact time when the fuel is cut off varies ba ...

    B2603 shift position status
    Description BCM confirms the shift position with the following 2 signals. • CVT selector lever • P/N position switch DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-36, "DTC Logic& ...