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Repair manual

Automatic Air Conditioner Infiniti QX56 I

Step-by-step instructions on "Automatic Air Conditioner" for Infiniti QX56 I (2004–2007). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"

Precautions for Working with HFC-134a (R-134a)

Contaminated Refrigerant

General Refrigerant Precautions

Precautions for Leak Detection Dye

Precautions for Refrigerant Connection

Precautions for Servicing Compressor

RECOVERY/RECYCLING EQUIPMENT

ELECTRONIC LEAK DETECTOR

VACUUM PUMP

MANIFOLD GAUGE SET

SERVICE HOSES

SERVICE COUPLERS

REFRIGERANT WEIGHT SCALE

CHARGING CYLINDER

Special Service Tools

HFC-134a (R-134a) Service Tools and Equipment

REFRIGERANT FLOW

REFRIGERANT PRESSURE SENSOR

PRESSURE RELIEF VALVE

LUBRICANT

CHECKING AND ADJUSTING

AIR MIX DOORS CONTROL

BLOWER SPEED CONTROL

INTAKE DOOR CONTROL

MODE DOOR CONTROL

DEFROSTER DOOR CONTROL

DISPLAY SCREEN

AUTO SWITCH

TEMPERATURE CONTROL DIAL (TEMPERATURE CONTROL) (DRIVER SIDE)

TEMPERATURE CONTROL DIAL (TEMPERATURE CONTROL) (PASSENGER SIDE)

TEMPERATURE CONTROL DIAL (TEMPERATURE AND MODE CONTROL) (REAR)

RECIRCULATION () SWITCH

DEFROSTER (DEF) SWITCH

REAR WINDOW DEFOGGER SWITCH

OFF SWITCH

A/C SWITCH

MODE SWITCH (FRONT)

FRONT BLOWER CONTROL DIAL

TEMPERATURE CONTROL DIAL (TEMPERATURE AND MODE CONTROL)

REAR BLOWER CONTROL DIAL

CONSULT-II Function (HVAC)

CONSULT-II Function (BCM)

Display Item List

Front Air Control Terminals and Reference Value

CHECKING RECIRCULATION

CHECKING TEMPERATURE DECREASE

CHECKING TEMPERATURE INCREASE

CHECKING BLOWER

Power Supply and Ground Circuit for Front Air Control

Front Air Control

Potentio Temperature Control (PTC)

Mode Door Motor Circuit

Component Parts

Mode Door Motor

Air Mix Door Motor Circuit

Air Mix Door Motors

Intake Door Motor Circuit

Intake door motor

Defroster door motor

Front Blower Motor Circuit

Automatic Mode

Starting Blower Speed Control

Blower Speed Compensation - Sunload

Variable Blower Control

Front Blower Motor Relay

Front Blower Motor

Rear Blower Motor Circuit

Rear Blower Control

Rear Blower Switch (Rear) Circuit

Rear Blower Motor Relay

Rear Blower Switch (Rear)

Rear Blower Switch (Front)

Rear Blower Motor

Rear Blower Motor Resistor

Rear Air Control Circuit

Rear Air Control

Magnet Clutch Circuit

Low Temperature Protection Control

Insufficient Cooling

Insufficient Heating

Memory Function

WATER VALVE RELAY

AMBIENT TEMPERATURE INPUT PROCESS

Ambient Sensor

In-vehicle Sensor

OPTICAL INPUT PROCESS

Intake Sensor

FUNCTION

Clutch Disc

Pulley

Coil

Checking for Refrigerant Leaks

Checking System for Leaks Using the Fluorescent Dye Leak Detector

Dye Injection

PRECAUTIONS FOR HANDLING LEAK DETECTOR

CHECKING PROCEDURE

COMPRESSOR

REFRIGERANT

ENGINE IDLING SPEED

BELT TENSION