2007 INFINITI QX56 diagram

AT-106
< SERVICE INFORMATION >
DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)
If the check result is NG, go to AT-107, "Diagnosis Procedure".
WITH GST
Follow the procedure “With CONSULT-II”.
Wiring Diagram - AT - VSSA/TINFOID:0000000003532296
BCWA0497E

AT-120
< SERVICE INFORMATION >
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
Wiring Diagram - AT - FTS
INFOID:0000000003532333
Diagnosis ProcedureINFOID:0000000003532334
1.CHECK A/T FLUID TEMPERATURE SENSOR 1 SIGNAL
With CONSULT-II
BCWA0323E

AT-158
< SERVICE INFORMATION >
MAIN POWER SUPPLY AND GROUND CIRCUIT
MAIN POWER SUPPLY AND GROUND CIRCUIT
Wiring Diagram - AT - MAININFOID:0000000003532438
TCM Input/Output Signal Reference Values
Refer to AT-82, "TCM Input/Output Signal Reference Value".
BCWA0324E

TOW MODE SWITCH
AT-163
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P
TOW MODE SWITCH
DescriptionINFOID:0000000003532444
When tow mode switch is “ON”, tow mode switch signals are sent to TCM from combination meter by CAN
communication line.Then it`s a tow mode condition.
Wiring Diagram - AT - TMSWINFOID:0000000003532445
BCWA0498E

TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-165
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P
TROUBLE DIAGNOSIS FOR SYMPTOMS
Wiring Diagram - AT - NONDTCINFOID:0000000003532447
BCWA0499E

A/T SHIFT LOCK SYSTEM
AT-203
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
AT
N
O
P
Wiring Diagram - AT - SHIFTINFOID:0000000003532471
BCWA0502E

ATC-1
AIR CONDITIONER
C
DE
F
G H
I
K L
M
SECTION AT C
A
B
AT C
N
O P
CONTENTS
AUTOMATIC AIR CONDITIONER
SERVICE INFORMATION .. ..........................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution for Working with HFC-134a (R-134a) ......3
Contaminated Refrigerant .........................................3
General Refrigerant Precaution ................................4
Precaution for Leak Detection Dye ...........................4
A/C Identification Label .............................................4
Precaution for Refrigerant Connection ......................4
Precaution for Service of Compressor ................ ......9
Precaution for Service Equipment ....................... ......9
PREPARATION ..................................................12
Special Service Tool ........................................... ....12
HFC-134a (R-134a) Service Tool and Equipment ....12
Commercial Service Tool ........................................14
REFRIGERATION SYSTEM ..............................16
Refrigerant Cycle ................................................ ....16
Refrigerant System Protection ................................16
Component Part Location ................................... ....17
OIL ......................................................................20
Maintenance of Oil Quantity in Compressor ....... ....20
AIR CONDITIONER CONTROL .........................22
Description .......................................................... ....22
Operation ................................................................22
Description of Control System .................................23
Control Operation ....................................................24
Discharge Air Flow ..................................................26
System Description (Front) .....................................27
System Description (Rear) .................................. ....28
CAN Communication System Description ...............29
TROUBLE DIAGNOSIS .....................................30
CONSULT-II Function (HVAC) ............................ ....30
CONSULT-II Function (BCM) ..................................31
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ....
32
Component Parts and Harness Connector Loca-
tion ...........................................................................
32
Schematic ................................................................36
Wiring Diagram - A/C,A - .........................................37
Front Air Control Terminal and Reference Value ....47
A/C System Self-Diagnosis Function .......................48
Operational Check (Front) ................................... ....50
Operational Check (Rear) ........................................51
Power Supply and Ground Circuit for Front Air
Control ................................................................. ....
52
Mode Door Motor Circuit .........................................54
Air Mix Door Motor Circuit ................................... ....59
Intake Door Motor Circuit .........................................70
Defroster Door Motor Circuit ....................................74
Front Blower Motor Circuit .......................................78
Rear Blower Motor Circuit ................................... ....85
Rear Air Control Circuit ............................................93
Magnet Clutch Circuit ..............................................96
Insufficient Cooling ................................................100
Insufficient Heating ................................................108
Noise .....................................................................109
Self-Diagnosis .......................................................111
Memory Function ...................................................112
Water Valve Circuit ................................................113
Ambient Sensor Circuit ..........................................114
In-vehicle Sensor Circuit ........................................116
Optical Sensor Circuit ............................................119
Intake Sensor Circuit .............................................120
CONTROL UNIT ..............................................123
Removal and Installation .......................................123
AMBIENT SENSOR ........................................124
Removal and Installation .......................................124
IN-VEHICLE SENSOR ....................................125
Removal and Installation .......................................125
OPTICAL SENSOR .........................................126

TROUBLE DIAGNOSISATC-37
< SERVICE INFORMATION >
C
DE
F
G H
I
K L
M A
B
AT C
N
O P
Wiring Diagram - A/C,A -INFOID:0000000003533246
WJWA0455E