2006 INFINITI M35 Factory Service Manual

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INFINITI M35 2006 Factory Service Manual ATC-26
LUBRICANT
Revision: 2006 January2006 M35/M45
LUBRICANTPFP:KLG00
Maintenance of Lubricant Quantity in CompressorNJS000G3
The lubricant in the compressor circulates through the system with the re

Page 474 of 5621

INFINITI M35 2006 Factory Service Manual LUBRICANT
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Revision: 2006 January2006 M35/M45
LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COM-
PRESSOR
After replacing any of the following major

LUBRICANT
ATC-27
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LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COM-
PRESSOR
After replacing any of the following major components, add the correct amount of lubricant to the system.
Amount of lubricant to be added:
*1: If the refrigerant leak is small, no addition of lubricant is needed.
LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACEMENT
1. Before connecting recovery/recycling recharging equipment to vehicle, check recovery/recycling recharg-
ing equipment gauges. No refrigerant pressure should be displayed. If NG, recover refrigerant from equip-
ment lines.
2. Connect recovery/recycling recharging equipment to vehicle. Confirm refrigerant purity in supply tank
using recovery/recycling recharging equipment and refrigerant identifier. If NG, refer to ATC-7, "
CONTAM-
INATED REFRIGERANT" .
3. Confirm refrigerant purity in vehicle A/C system using recovery/recycling recharging equipment and refrig-
erant identifier. If NG, refer to ATC-7, "
CONTAMINATED REFRIGERANT" .
4. Discharge refrigerant into the refrigerant recovery/recycling equipment. Measure lubricant discharged into
the recovery/recycling equipment.
5. Drain the lubricant from the old (removed) compressor into a graduated container and recover the amount
of lubricant drained.
6. Drain the lubricant from the new compressor into a separate, clean container.
7. Measure an amount of new lubricant installed equal to amount drained from old compressor. Add this
lubricant to new compressor through the suction port opening.
8. Measure an amount of new lubricant equal to the amount recovered during discharging. Add this lubricant
to new compressor through the suction port opening.
9. If the liquid tank also needs to be replaced, add another 5 m (0.2 US fl oz., 0.2 Imp fl oz.) of lubricant at
this time.
Do not add this 5 m (0.2 US fl oz., 0.2 Imp fl oz.) of lubricant when replaces the compressor only.
Part replacedLubricant to be added to system
Remarks
Amount of lubricant
m (US fl oz., Imp fl oz.)
Evaporator 75 (2.5, 2.6) —
Condenser 35 (1.2, 1.2) —
Liquid tank 10 (0.3, 0.4) —
In case of refrigerant leak30 (1.0, 1.1) Large leak
—
Small leak
*1

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INFINITI M35 2006 Factory Service Manual ATC-28
LUBRICANT
Revision: 2006 January2006 M35/M45
RJIA3578E

Page 476 of 5621

INFINITI M35 2006 Factory Service Manual AIR CONDITIONER CONTROL
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Revision: 2006 January2006 M35/M45
AIR CONDITIONER CONTROLPFP:27500
Description of Air Conditioner LAN Control SystemNJS000G4
The LAN (Loca

Page 477 of 5621

INFINITI M35 2006 Factory Service Manual ATC-30
AIR CONDITIONER CONTROL
Revision: 2006 January2006 M35/M45
OPERATION
The unified meter and A/C amp. receives data from each of the sensors. The unified meter and A/C amp.
send

ATC-30
AIR CONDITIONER CONTROL
Revision: 2006 January2006 M35/M45
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, upper ventilator door and intake door opening angle data to the mode door
motor LCU, air mix door motor LCU, upper ventilator door motor LCU and intake door motor LCU.
The mode door motor, air mix door motors, upper ventilator door motor 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 opening angles. Subsequently, HOT/COLD, DEF/VENT, OPEN/SHUT and FRE/REC
operation is selected. The new selection data is returned to the unified meter and A/C amp.
TRANSMISSION DATA AND TRANSMISSION ORDER
Unified meter and A/C amp. data is transmitted consecutively to each of the door motors following the form
shown in figure below.
Start:
Initial compulsory signal is sent to each of the door motors.
Address:
Data sent from the unified meter and A/C amp. are selected according to data-based decisions made by the
mode door motor, air mix door motor, upper ventilator door motor and intake door motor.
If the addresses are identical, the opening angle data and error check signals are received by the door motor
LCUs. The LCUs then make the appropriate error decision. If the opening angle data have no error, door con-
trol begins.
If an error exists, the received data are rejected and corrected data received. Finally, door control is based
upon the corrected opening angle data.
Opening angle:
Data that shows the indicated door opening angle of each door motor.
Error Check:
In this procedure, transmitted and received data is checked for errors. Error data are then compiled. The error
check prevents corrupted data from being used by the mode door motor, the air mix door motor, the upper
ventilator door motor and the intake door motor. Error data can be related to the following symptoms.
Malfunction of electrical frequency
Poor electrical connections
Signal leakage from transmission lines
Signal level fluctuation
RJIA4018E

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INFINITI M35 2006 Factory Service Manual AIR CONDITIONER CONTROL
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Revision: 2006 January2006 M35/M45
Stop signal:
At the end of each transmission, a stop operation, in-operation, or internal malfunction mess

Page 479 of 5621

INFINITI M35 2006 Factory Service Manual ATC-32
AIR CONDITIONER CONTROL
Revision: 2006 January2006 M35/M45
MAGNET CLUTCH CONTROL
When A/C switch, AUTO switch or DEF switch is pressed, unified meter and A/C amp. transmits compressor
ON signal

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INFINITI M35 2006 Factory Service Manual AIR CONDITIONER CONTROL
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Revision: 2006 January2006 M35/M45
Description of Control SystemNJS000G6
The control system consists of input sensors, switches, the unified

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