Nissan Altima 2007-2012 Service Manual: ECU diagnosis
Power window lock switch
Description Ground circuit of main power window and door lock/unlock switch shuts off if power window lock switch of main power window and door lock/unlock switch is operated. This inhibits all ...Power window main switch
Reference Value TERMINAL LAYOUT PHYSICAL VALUES MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH Wiring Diagram Fail Safe FAIL-SAFE CONTROL Switches to fail-safe control when ma ...Other materials:
P0112, P0113 IAT sensor
Description
The intake air temperature sensor is built-into the mass air flow sensor
(1). The sensor detects intake air temperature and transmits a
signal to the ECM.
The temperature sensing unit uses a thermistor which is sensitive to
the change in temperature. Electrical resistance of the ...
P0456 evap control system
DTC Logic
DTC DETECTION LOGIC
This diagnosis detects very small leaks in the EVAP line between fuel tank
and EVAP canister purge volume
control solenoid valve, using the intake manifold vacuum in the same way as
conventional EVAP small leak
diagnosis.
If ECM judges a leak which correspond ...
P2127, P2128 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 ...