2006 INFINITI QX56 diagram

DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR)AT-113
DE
F
G H
I
J
K L
M A
B
AT
Revision: November 2009 2006 QX56
Wiring Diagram — AT — VSSA/TECS00CFF
BCWA0497E

AT-128
DTC P1710 A/T FLUID TEMPERATURE SENSOR CIRCUIT
Revision: November 20092006 QX56
Wiring Diagram — AT — FTSECS00CGQ
BCWA0323E

MAIN POWER SUPPLY AND GROUND CIRCUITAT-167
DE
F
G H
I
J
K L
M A
B
AT
Revision: November 2009 2006 QX56
MAIN POWER SUPPLY AND GROUND CIRCUITPFP:00100
Wiring Diagram — AT — MAINECS00CJT
BCWA0324E

AT-174
TOW MODE SWITCH
Revision: November 20092006 QX56
Wiring Diagram — AT — TMSWECS00CK0
BCWA0498E

AT-176
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: November 20092006 QX56
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Wiring Diagram — AT — NONDTCECS00CK2
BCWA0499E

AT-222
A/T SHIFT LOCK SYSTEM
Revision: November 20092006 QX56
Wiring Diagram — A/T — SHIFTECS00ENW
BCWA0502E

ATC-2Revision: November 20092006 QX56
CONSULT-II BASIC OPERATION ....................
... 34
SELF-DIAGNOSIS ........................................... ... 35
DATA MONITOR ............................................... ... 35
CONSULT-II Function (BCM) ............................... ... 37
CONSULT-II BASIC OPERATION .................... ... 37
DATA MONITOR ............................................... ... 38
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ... 39
WORK FLOW ................................................... ... 39
SYMPTOM TABLE ........................................... ... 39
Component Parts and Harness Connector Location ... 40
ENGINE COMPARTMENT ............................... ... 40
FRONT PASSENGER COMPARTMENT ......... ... 41
REAR PASSENGER COMPARTMENT ............... 42
Schematic ............................................................ ... 43
Wiring Diagram — A/C,A — ................................ ... 44
Front Air Control Terminals and Reference Value ... 54
PIN CONNECTOR TERMINAL LAYOUT ......... ... 54
TERMINALS AND REFERENCE VALUE FOR
FRONT AIR CONTROL .................................... ... 54
A/C System Self-diagnosis Function ................... ... 56
DESCRIPTION ................................................. ... 56
Operational Check (Front) ................................... ... 58
CHECKING MEMORY FUNCTION .................. ... 58
CHECKING BLOWER ...................................... ... 58
CHECKING DISCHARGE AIR ......................... ... 58
CHECKING RECIRCULATION (, ONLY) .......... ... 58
CHECKING TEMPERATURE DECREASE ...... ... 58
CHECKING TEMPERATURE INCREASE ....... ... 59
CHECK A/C SWITCH ....................................... ... 59
CHECKING AUTO MODE ................................ ... 59
Operational Check (Rear) .................................... ... 60
CHECKING BLOWER ...................................... ... 60
CHECKING TEMPERATURE DECREASE ...... ... 60
CHECKING TEMPERATURE INCREASE ....... ... 60
Power Supply and Ground Circuit for Front Air Con-
trol ........................................................................ ... 61
INSPECTION FLOW ........................................ ... 61
COMPONENT DESCRIPTION ......................... ... 62
DIAGNOSTIC PROCEDURE FOR A/C SYSTEM ... 62
Mode Door Motor Circuit ........................................ 64 INSPECTION FLOW ........................................ ... 64
SYSTEM DESCRIPTION ................................. ... 65
COMPONENT DESCRIPTION ......................... ... 66
DIAGNOSTIC PROCEDURE FOR MODE
DOOR MOTOR ................................................ ... 66
Air Mix Door Motor Circuit ................................... ... 70
INSPECTION FLOW ........................................ ... 70
SYSTEM DESCRIPTION ................................. ... 71
COMPONENT DESCRIPTION ......................... ... 72
DIAGNOSTIC PROCEDURE FOR AIR MIX
DOOR MOTOR (DRIVER) ................................ ... 72
DIAGNOSTIC PROCEDURE FOR AIR MIX
DOOR MOTOR (PASSENGER) ....................... ... 76
DIAGNOSTIC PROCEDURE FOR AIR MIX
DOOR MOTOR (REAR) ................................... ... 79
Intake Door Motor Circuit ..................................... ... 83
INSPECTION FLOW ........................................ ... 83
SYSTEM DESCRIPTION ................................. ... 84COMPONENT DESCRIPTION .........................
... 85
DIAGNOSTIC PROCEDURE FOR INTAKE
DOOR MOTOR ................................................. ... 85
Defroster Door Motor Circuit ................................ ... 87
SYMPTOM: ....................................................... ... 87
INSPECTION FLOW ......................................... ... 87
SYSTEM DESCRIPTION .................................. ... 88
COMPONENT DESCRIPTION ......................... ... 88
DIAGNOSTIC PROCEDURE FOR
DEFROSTER DOOR MOTOR .......................... ... 89
Front Blower Motor Circuit ................................... ... 93
INSPECTION FLOW ......................................... ... 93
SYSTEM DESCRIPTION .................................. ... 94
COMPONENT DESCRIPTION ......................... ... 95
DIAGNOSTIC PROCEDURE FOR BLOWER
MOTOR ............................................................. ... 95
COMPONENT INSPECTION ............................ .100
Rear Blower Motor Circuit .................................... .101
INSPECTION FLOW ......................................... .101
SYSTEM DESCRIPTION .................................. .102
DIAGNOSTIC PROCEDURE FOR REAR
BLOWER MOTOR ............................................ .102
COMPONENT INSPECTION ............................ .110
Rear Air Control Circuit ........................................ .112
INSPECTION FLOW ......................................... .112
SYSTEM DESCRIPTION .................................. .113
DIAGNOSTIC PROCEDURE FOR REAR AIR
CONTROL ........................................................ .113
Magnet Clutch Circuit ........................................... .115
INSPECTION FLOW ......................................... .115
SYSTEM DESCRIPTION .................................. .116
DIAGNOSTIC PROCEDURE FOR MAGNET
CLUTCH ........................................................... .116
Insufficient Cooling ............................................... .121
INSPECTION FLOW ......................................... .121
PERFORMANCE TEST DIAGNOSES ............. .122
PERFORMANCE CHART ................................. .124
TROUBLE DIAGNOSES FOR UNUSUAL PRES-
SURE ................................................................ .125
Insufficient Heating .............................................. .128
INSPECTION FLOW ......................................... .128
Noise .................................................................... .129
INSPECTION FLOW ......................................... .129
Self-diagnosis ...................................................... .130
INSPECTION FLOW ......................................... .130
Memory Function ................................................. .131
INSPECTION FLOW ......................................... .131
Water Valve Circuit ............................................... .132
COMPONENT DESCRIPTION ......................... .132
DIAGNOSTIC PROCEDURE FOR WATER
VALVE ............................................................... .132
Ambient Sensor Circuit ........................................ .134
COMPONENT DESCRIPTION ......................... .134
AMBIENT TEMPERATURE INPUT PROCESS .134
DIAGNOSTIC PROCEDURE FOR AMBIENT
SENSOR ........................................................... .134
COMPONENT INSPECTION ............................ .136
In-vehicle Sensor Circuit ...................................... .137
COMPONENT DESCRIPTION ......................... .137

ATC-44
TROUBLE DIAGNOSIS
Revision: November 20092006 QX56
Wiring Diagram — A/C,A —EJS003XI
WJWA0324E