Nissan Altima 2007-2012 Service Manual: Function diagnosis

Inspection and adjustment
ECM RE-COMMUNICATING FUNCTION Description Performing following procedure can automatically perform re-communication of ECM and BCM, but only when the ECM has been replaced with a new one (*1). ...

Intelligent key system/engine start function
System Diagram System Description INPUT/OUTPUT SIGNAL CHART SYSTEM DESCRIPTION • The engine start function of Intelligent Key system is a system that makes it possible to start and stop ...

Other materials:

P0507 ISC System
Description The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. The operating of the throttle valve is varied to allow for optimum control of the engine ...

P2138 APP sensor
Description The accelerator pedal position sensor is installed on the upper end of the accelerator pedal assembly. The sensor detects the accelerator position and sends a signal to the ECM. Accelerator pedal position sensor has two sensors. These sensors are a kind of potentiometer which tran ...

P0101 Maf sensor
Description The mass air flow sensor (1) is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. The mass air flow sensor controls the temperature of the hot wire to a certain amount. The heat generated by the hot wire is reduced as ...