2006 INFINITI QX56 wiring

WT-1
ROAD WHEELS & TIRES
E SUSPENSION
CONTENTS
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SECTION
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WT
Revision: November 2009 2006 QX56
PRECAUTIONS .....................................................
..... 2
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 2
PREPARATION ...................................................... ..... 3
Special Service Tool ............................................ ..... 3
Commercial Service Tools ................................... ..... 3
NOISE, VIBRATION, AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 4
NVH Troubleshooting Chart ................................ ..... 4
WHEEL .................................................................. ..... 5
Inspection ............................................................ ..... 5
WHEEL AND TIRE ASSEMBLY ............................ ..... 6
Balancing Wheels ............................................... ..... 6
REMOVAL ........................................................ ..... 6
WHEEL BALANCE ADJUSTMENT ................. ..... 6
Rotation ............................................................... ..... 7
LOW TIRE PRESSURE WARNING SYSTEM ....... ..... 8
System Components ........................................... ..... 8
System Description ............................................. ..... 8
TRANSMITTER ................................................ ..... 8
REMOTE KEYLESS ENTRY RECEIVER ........ ..... 8
BCM (BODY CONTROL MODULE) ................. ..... 9
WARNING LAMP AND BUZZER ..................... ..... 9
COMBINATION METER .................................. ..... 9
DISPLAY UNIT ................................................. ..... 9
CAN COMMUNICATION ....................................... ... 10
System Description ............................................. ... 10
TROUBLE DIAGNOSES ....................................... ....11
Wiring Diagram – T/WARN – .............................. .... 11
Terminals and Reference Values for BCM .......... ... 13
ID Registration Procedure ................................... ... 14
ID REGISTRATION WITH TRANSMITTER
ACTIVATION TOOL ......................................... ... 14
ID REGISTRATION WITHOUT TRANSMITTER
ACTIVATION TOOL ......................................... ... 16
Transmitter Wake Up Operation .......................... ... 18
WITH TRANSMITTER ACTIVATION TOOL ..... ... 18
CONSULT-II Function (BCM) .............................. ... 19
Self-Diagnosis ..................................................... ... 20DESCRIPTION .................................................
... 20
FUNCTION ....................................................... ... 20
CONSULT-II ...................................................... ... 20
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ... 22
INTRODUCTION .............................................. ... 22
WORK FLOW ................................................... ... 22
Preliminary Check ............................................... ... 23
Malfunction Code/Symptom Chart ....................... ... 24
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
ITEMS ..................................................................... ... 26
Inspection 1: Transmitter or Control Unit (BCM) .. ... 26
MALFUNCTION CODE NO. 21, 22, 23 OR 24
(DTC C1708, C1709, C1710 OR C1711) ......... ... 26
Inspection 2: Transmitter - 1 ................................ ... 26
MALFUNCTION CODE NO. 31, 32, 33, 34, 41,
42, 43, 44, 45, 46, 47 OR 48 ............................ ... 26
Inspection 3: Transmitter - 2 ................................ ... 27
MALFUNCTION CODE NO. 35, 36, 37 OR 38 ... 27
Inspection 4: Vehicle Speed Signal ..................... ... 28
MALFUNCTION CODE NO. 52 (DTC C1729) . ... 28
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... ... 29
Inspection 1: Warning Lamp Does Not Come On
When Ignition Switch Is Turned On ..................... ... 29
Inspection 2: Low Tire Pressure Warning Lamp
Stays On When Ignition Switch Is Turned On ...... ... 30
Inspection 3: Warning Lamp Flashes When Ignition
Switch Is Turned On ............................................ ... 32
Inspection 4: Hazard Warning Lamp Flashes When
Ignition Switch Is Turned On ............................... ... 33
Inspection 5: “TIRE PRESSURE” Information In
Display Unit Does Not Exist ................................. ... 34
Inspection 6: ID Registration Cannot Be Completed ... 35
REMOVAL AND INSTALLATION .......................... ... 36
Transmitter (Pressure Sensor) ............................ ... 36
REMOVAL ........................................................ ... 36
INSTALLATION ................................................ ... 36
SERVICE DATA AND SPECIFICATIONS (SDS) ... ... 38
Road Wheel ............................................................ 38
Tire ...................................................................... ... 38

WT-2
PRECAUTIONS
Revision: November 20092006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EES0025O
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER ”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.

TROUBLE DIAGNOSESWT-11
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Revision: November 2009 2006 QX56
TROUBLE DIAGNOSESPFP:00004
Wiring Diagram – T/WARN –EES001I5
WEWA0047E

WW-1
WIPER, WASHER & HORN
K ELECTRICAL
CONTENTS
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SECTION
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B
WW
Revision: November 2009 2006 QX56
PRECAUTION .......................................................
..... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
FRONT WIPER AND WASHER SYSTEM ............. ..... 4
Components Parts and Harness Connector Loca-
tion ...................................................................... ..... 4
System Description ............................................. ..... 4
LOW SPEED WIPER OPERATION ................. ..... 5
HI SPEED WIPER OPERATION ...................... ..... 5
INTERMITTENT OPERATION ......................... ..... 5
AUTO STOP OPERATION ............................... ..... 6
FRONT WASHER OPERATION ...................... ..... 6
MIST OPERATION ................................................ 6
FAIL-SAFE FUNCTION .................................... ..... 6
COMBINATION SWITCH READING FUNCTION ..... 6
CAN Communication System Description ........... ..... 6
Schematic ........................................................... ..... 7
Wiring Diagram — WIPER — ............................. ..... 8
Terminals and Reference Values for BCM .......... .... 11
Terminals and Reference Values for IPDM E/R .. ... 12
Work Flow ........................................................... ... 12
Preliminary Inspection ......................................... ... 12
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT .......................................... ... 12
CONSULT-II Function (BCM) .............................. ... 14
CONSULT-II OPERATION ............................... ... 14
WORK SUPPORT ............................................ ... 15
DATA MONITOR .............................................. ... 15
ACTIVE TEST .................................................. ... 16
CONSULT-II Function (IPDM E/R) ...................... ... 16
CONSULT-II OPERATION ............................... ... 16
DATA MONITOR .............................................. ... 17
ACTIVE TEST .................................................. ... 18
Front Wiper Does Not Operate ........................... ... 18
FRONT WIPER STOP POSITION IS INCOR-
RECT ............................................................... ... 21
ONLY FRONT WIPER LOW DOES NOT OPER-
ATE .................................................................. ... 22
ONLY FRONT WIPER HIGH DOES NOT OPER- ATE ..................................................................
... 24
ONLY FRONT WIPER INTERMITTENT DOES
NOT OPERATE ................................................ ... 25
FRONT WIPER INTERMITTENT OPERATION
SWITCH POSITION CANNOT BE ADJUSTED ... 26
WIPERS DO NOT WIPE WHEN FRONT
WASHER OPERATES ..................................... ... 26
FRONT WIPERS OPERATE FOR 10 SEC-
ONDS, STOP FOR 20 SECONDS, AND AFTER
REPEATING THIS OPERATION FIVE TIMES,
THEY BECOME INOPERATIVE ...................... ... 26
Front Wiper Arms ................................................ ... 28
REMOVAL AND INSTALLATION ..................... ... 28
FRONT WIPER ARM ADJUSTMENT .............. ... 28
Wiper Motor and Linkage .................................... ... 29
REMOVAL AND INSTALLATION ..................... ... 29
REMOVAL ........................................................ ... 29
INSTALLATION ................................................ ... 29
Washer Nozzle Adjustment ................................. ... 29
Washer Tube Layout ........................................... ... 30
Wiper and Washer Switch ................................... ... 30
REMOVAL AND INSTALLATION ..................... ... 30
INSTALLATION ................................................ ... 30
Washer Fluid Reservoir ....................................... ... 30
REMOVAL AND INSTALLATION ..................... ... 30
Washer Motor ...................................................... ... 31
REMOVAL AND INSTALLATION ..................... ... 31
INSTALLATION ................................................ ... 31
REAR WIPER AND WASHER SYSTEM ............... ... 32
Components Parts and Harness Connector Loca-
tion ....................................................................... ... 32
System Description .............................................. ... 32
REAR WIPER OPERATION ............................. ... 33
INTERMITTENT OPERATION ......................... ... 33
AUTO STOP OPERATION ............................... ... 34
REAR WASHER OPERATION ......................... ... 34
BCM WIPER SWITCH READING FUNCTION . ... 35
Wiring Diagram — WIP/R — .................................. 36
Terminals and Reference Values for BCM ........... ... 38
How to Proceed With Trouble Diagnosis ............. ... 40

WW-2Revision: November 20092006 QX56
Preliminary Inspection .........................................
... 40
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT .......................................... ... 40
CONSULT-II Function (BCM) ............................... ... 42
CONSULT-II OPERATION ................................ ... 42
DATA MONITOR ............................................... ... 43
ACTIVE TEST .................................................. ... 43
Rear Wiper Does Not Operate ............................... 44
Rear Wiper Stop Position Is Incorrect .................. ... 46
Only Rear Wiper Does Not Operate ....................... 47
Only Rear Wiper Intermittent Does Not Operate . ... 48
Wiper Does Not Wipe When Rear Washer Operates ... 48
Rear Wiper Arm ................................................... ... 49
REMOVAL AND INSTALLATION ...................... ... 49
INSTALLATION ................................................. ... 49
Rear Wiper Motor ................................................... 50 REMOVAL AND INSTALLATION ...................... ... 50
REMOVAL ........................................................ ... 50
INSTALLATION ................................................ ... 50
Rear Washer Nozzle Adjustment ......................... ... 50
Rear Washer Tube Layout ................................... ... 51Rear Washer Nozzle ............................................
... 51
REMOVAL AND INSTALLATION ...................... ... 51
INSTALLATION ................................................ ... 51
Removal and Installation ...................................... ... 51
REAR WIPER AND WASHER SWITCH ........... ... 51
WASHER FLUID RESERVOIR ......................... ... 52
WASHER MOTOR ............................................ ... 52
POWER SOCKET .................................................. ... 53
Wiring Diagram — P/SCKT — ............................. ... 53
Front Power Socket LH, Rear Cargo Power Socket ... 54
REMOVAL AND INSTALLATION ...................... ... 54
INSTALLATION ................................................ ... 54
Front Power Socket RH (For Cigarette Lighter),
Console Power Socket ......................................... ... 54
REMOVAL ........................................................ ... 54
INSTALLATION ................................................ ... 54
HORN ..................................................................... ... 55
Wiring Diagram — HORN — ............................... ... 55
Removal and Installation ...................................... ... 56
REMOVAL ......................................................... ... 56
INSTALLATION ................................................. ... 56

PRECAUTIONWW-3
C
DE
F
G H
I
J
L
M A
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WW
Revision: November 2009 2006 QX56
PRECAUTION PFP:00011
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EKS00BDQ
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER ”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.

WW-8
FRONT WIPER AND WASHER SYSTEM
Revision: November 20092006 QX56
Wiring Diagram — WIPER —EKS00BDW
WKWA3609E

WW-36
REAR WIPER AND WASHER SYSTEM
Revision: November 20092006 QX56
Wiring Diagram — WIP/R —EKS00BED
WKWA2328E