Nissan Altima 2007-2012 Service Manual: ECU diagnosis
AIR CONDITIONER CONTROL Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram - Air Conditioner Control (Manual) - Coupe
Wiring Diagram - Air Conditioner Control (Manual) - Sedan
Power supply and ground circuit for front air control
Description
FRONT AIR CONTROL
The front air control has a built-in microcomputer which processes
information sent from temperature control dial and various switches
needed for air conditioner ope ...
Other materials:
P0550 PSP Sensor
Description
Power steering pressure (PSP) sensor is installed to the power steering
high-pressure tube and detects a
power steering load.
This sensor is a potentiometer which transforms the power steering load into
output voltage, and emits the
voltage signal to the ECM. The ECM controls ...
Sound signal circuit (sedan)
SATELLITE RADIO TUNER
Description
Left and right channel audio signals are supplied from the satellite radio
tuner to the audio unit through the
sound signal circuits.
Diagnosis Procedure
LEFT CHANNEL
1.CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tune ...
P2004 tumble control valve
Description
Tumble control valve (3) is installed in the intake manifold adapter
(1).
Tumble control valve actuator (2) is connected to the front end of the
valve shaft.
Tumble control valve actuator consists of motor and position sensor,
etc.
The motor opens or closes the valve by the ...