Description
The refrigerant pressure sensor is installed at the condenser of the air conditioner system. The sensor uses an electrostatic volume pressure transducer to convert refrigerant pressure to voltage. The voltage signal is sent to ECM, and ECM controls cooling fan system.
Component Function Check
1.CHECK REFRIGERANT PRESSURE SENSOR FUNCTION
Diagnosis Procedure
1.CHECK GROUND CONNECTION
2.CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT
3.DETECT MALFUNCTIONING PART
Check the following.
4.CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
5.DETECT MALFUNCTIONING PART
Check the following.
6.CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
7.DETECT MALFUNCTIONING PART
Check the following.
8.CHECK INTERMITTENT INCIDENT
Air conditioning cut control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM via the CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
This system improves engine operation when ...
P0455 evap control system
DTC Logic
DTC DETECTION LOGIC
This diagnosis detects a very large leakage (fuel filler cap fell off etc.)
in EVAP system between the fuel tank
and EVAP canister purge volume control solenoid valve.
CAUTION:
Use only a genuine NISSAN fuel filler cap as a replacement. If
an ...
Shift control system
System Diagram
NOTE: The gear ratio is set for each position separately.
System Description
In order to select the gear ratio that can obtain the driving force in
accordance with driver's intention and the
vehicle condition, TCM monitors the driving conditions, such as the vehicle
speed a ...