System Description

SYSTEM

FRONT AUTOMATIC AIR CONDITIONING SYSTEM : System Description

- Front automatic air conditioning system is controlled by each function of A/C auto amp., ECM, IPDM E/R
and BCM.
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Air Flow Control" Air Flow Control
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Air Inlet Control" Air Inlet Control
Revision: March 20122013 Infiniti JX
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Air Outlet Control" Air Outlet Control
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Compressor Control" Compressor Control
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Door Control" Door Control
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Temperature Control" Temperature Control
-"FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Intelligent Key Interlock Function" Front
- Correction for input value of each sensor
- A/C auto amp. controls passenger room temperature so that the optimum level always matches the temperature level that the passenger may feel. Correction is applied to the target temperature that is set using temperature control dial, according to ambient temperature detected by ambient sensor.
- Passenger room temperature (front side) detected by in-vehicle sensor is corrected for each front air conditioning control (driver side and passenger side).
- A/C auto amp. performs correction to change recognition intake temperature of A/C auto amp. quickly when difference is large between recognition intake temperature and intake temperature detected by intake temperature sensor. The correction is performed to change recognition intake temperature slowly when difference is small.
- Sunload amount detected by sunload sensor is corrected for each air conditioning control.
- A/C auto amp. performs correction to change recognition sunload amount of A/C auto amp. slowly when sunload amount changes quickly, for example when entering or exiting a tunnel.
- Cooling fan control
Refer to "COOLING FAN CONTROL : System Description" Cooling Fan Control.
- Air conditioning cut control
Refer to "AIR CONDITIONING CUT CONTROL : System Description" Air Conditioning Cut Control.
- Relay control
Refer to "RELAY CONTROL SYSTEM : System Description" System Description.
- Cooling fan control
Refer to "COOLING FAN CONTROL : System Description" Cooling Fan Control.
- Relay control
Refer to "BODY CONTROL SYSTEM : System Description" Body Control System.
- Front A/C control (A/C and AV switch assembly) transmits the commands for front automatic air conditioning system operation to AV control unit via communication line, then AV control unit transmits the commands to
A/C auto amp. via CAN communication. A/C auto amp. transmits each indication information to AV control unit via CAN communication. AV control unit displays each indication information that is received.