2007 INFINITI FX35 Service Manual

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Page 473 of 4366

INFINITI FX35 2007 Service Manual LUBRICANT ATC-27
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Revision: 2006 July 2007 FX35/FX45
LUBRICANTPFP:KLG00
Maintenance of Lubricant Quantity in CompressorNJS000DL
The lubricant in the compressor

Page 474 of 4366

INFINITI FX35 2007 Service Manual ATC-28
LUBRICANT
Revision: 2006 July 2007 FX35/FX45
LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COM-
PRESSOR
After replacing any of the following major components, add the correct

Page 475 of 4366

INFINITI FX35 2007 Service Manual LUBRICANT ATC-29
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Revision: 2006 July 2007 FX35/FX45
LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACEMENT
1. Before connecting recovery/recycling rechargin

Page 476 of 4366

INFINITI FX35 2007 Service Manual ATC-30
AIR CONDITIONER CONTROL
Revision: 2006 July 2007 FX35/FX45
AIR CONDITIONER CONTROLPFP:27500
Description of Air Conditioner LAN Control SystemNJS000DM
The LAN (Local Area Network) system consist

ATC-30
AIR CONDITIONER CONTROL
Revision: 2006 July 2007 FX35/FX45
AIR CONDITIONER CONTROLPFP:27500
Description of Air Conditioner LAN Control SystemNJS000DM
The LAN (Local Area Network) system consists of unified meter and A/C amp., mode door motor, air mix door
motors and intake door motor.
A configuration of these components is shown in the figure below.
System ConstructionNJS000DN
A small network is constructed between the unified meter and A/C amp., air mix door motors, mode door
motor and intake door motor. The unified meter and A/C amp. and motors are connected by data transmission
lines and motor power supply lines. The LAN network is built through the ground circuits of each door motor.
Addresses, motor opening angle signals, motor stop signals and error checking messages are all transmitted
through the data transmission lines connecting the unified meter and A/C amp. and each door motor.
The following functions are contained in LCUs built into the air mix door motors, the mode door motor and the
intake door motor.
Address
Motor opening angle signals
Data transmission
Motor stop and drive decision
Opening angle sensor (PBR function)
Comparison
Decision (Unified meter and A/C amp. indicated value and motor opening angle comparison)
OPERATION
The unified meter and A/C amp. receives data from each of the sensors. The unified meter and A/C amp.
sends mode door, air mix door and intake door opening angle data to the mode door motor LCU, air mix door
motor LCU and intake door motor LCU.
The mode door motor, air mix door motors and intake door motor read their respective signals according to the
address signal. Opening angle indication signals received from the unified meter and A/C amp. and each of
the motor position sensors is compared by the LCUs in each door motor with the existing decision and open-
ing angles. Subsequently, HOT/COLD, DEF/VENT and FRE/REC operation is selected. The new selection
data is returned to the unified meter and A/C amp.
SJIA1609E
RJIA1747E

Page 477 of 4366

INFINITI FX35 2007 Service Manual AIR CONDITIONER CONTROL ATC-31
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Revision: 2006 July 2007 FX35/FX45
TRANSMISSION DATA AND TRANSMISSION ORDER
Unified meter and A/C amp. data is transmitted cons

Page 478 of 4366

INFINITI FX35 2007 Service Manual ATC-32
AIR CONDITIONER CONTROL
Revision: 2006 July 2007 FX35/FX45
Stop Signal:
At the end of each transmission, a stop operation, in-operation, or internal malfunction message is delivered to
the uni

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INFINITI FX35 2007 Service Manual AIR CONDITIONER CONTROL ATC-33
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Revision: 2006 July 2007 FX35/FX45
MAGNET CLUTCH CONTROL
When A/C switch, AUTO switch or DEF switch is pressed, unified meter a

Page 480 of 4366

INFINITI FX35 2007 Service Manual ATC-34
AIR CONDITIONER CONTROL
Revision: 2006 July 2007 FX35/FX45
Description of Control SystemNJS000DO
The control system consists of input sensors, switches, the unified meter and A/C amp. (microcom

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