wiring diagram INFINITI QX56 2010 Factory Service Manual

STOP LAMPEXL-91
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
STOP LAMP
Wiring DiagramINFOID:0000000005146670
ABLWA0447GB
Revision: April 20092010 QX56

BACK-UP LAMPEXL-95
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
BACK-UP LAMP
Wiring DiagramINFOID:0000000005146671
ABLWA0448GB
Revision: April 20092010 QX56

EXL-100
< COMPONENT DIAGNOSIS >
TRAILER TOW
TRAILER TOW
Wiring DiagramINFOID:0000000005146672
ABLWA0449GB
Revision: April 20092010 QX56

BCM (BODY CONTROL MODULE)EXL-115
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
EXL
N
O P
Wiring DiagramINFOID:0000000005369893
ABMWA0374GB
Revision: April 20092010 QX56

EXL-130
< ECU DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Wiring Diagram
INFOID:0000000005369900
ABMWA0362GB
Revision: April 20092010 QX56

GI-1
GENERAL INFORMATION
C
DE
F
G H
I
J
K L
M B
GI
SECTION GI
N
O P
CONTENTS
GENERAL INFORMATION
HOW TO USE THIS MANU AL ......................3
HOW TO USE THIS MANUAL ....................... .....3
Description .......................................................... ......3
Terms ........................................................................3
Units ..........................................................................3
Contents ....................................................................3
Relation between Illustrations and Descriptions .......4
Components ..............................................................4
HOW TO FOLLOW TROUBLE DIAGNOSES .....6
Description ................................................................6
How to Follow Test Groups in Trouble Diagnosis ......6
Key to Symbols Signifying Measurements or Pro-
cedures ............................................................... ......
7
HOW TO READ WIRING DIAGRAMS ................9
Connector symbols ............................................. ......9
Sample/wiring diagram -example- ...........................10
Description ..............................................................11
ABBREVIATIONS .......................................... ....13
Abbreviation List .................................................. ....13
TIGHTENING TORQUE OF STANDARD
BOLTS ................................................................
14
Tightening Torque Table .........................................14
RECOMMENDED CHEMICAL PRODUCTS
AND SEALANTS ............................................ ....
15
Recommended Chemical Products and Sealants ....15
TERMINOLOGY .................................................16
SAE J1930 Terminology List ............................... ....16
FEATURES OF NEW MODEL .....................20
IDENTIFICATION INFORMATION .....................20
Model Variation ................................................... ....20
Identification Number ..............................................21
Identification Plate ...................................................22
Dimensions .............................................................23
Wheels & Tires .................................................... ....23
PRECAUTION ..............................................24
PRECAUTIONS .................................................24
Description ........................................................... ....24
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
24
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ...................................
24
Procedures without Cowl Top Cover .......................25
General Precautions ................................................25
Three Way Catalyst .................................................27
Precaution for Fuel (Unleaded Premium Gasoline
Required) .................................................................
27
Multiport Fuel Injection System or Engine Control
System .....................................................................
27
Hoses ......................................................................27
Engine Oils ..............................................................28
Air Conditioning .......................................................29
LIFTING POINT .................................................30
Pantograph Jack ......................................................30
Garage Jack and Safety Stand ................................30
2-Pole Lift ................................................................30
TOW TRUCK TOWING .....................................32
Tow Truck Towing ...................................................32
Vehicle Recovery (Freeing a stuck vehicle) ............33
BASIC INSPECTION ...................................34
SERVICE INFORMATION FOR ELECTRICAL
INCIDENT ..........................................................
34
Work Flow ............................................................ ....34
Control Units and Electrical Parts ............................34
How to Check Terminal ...........................................35
Intermittent Incident ............................................. ....38
Circuit Inspection .....................................................41
CONSULT-III CHECKING SYSTEM .................46
Revision: April 20092010 QX56

GI-2
Description ..............................................................46
Function and System Application ...........................46
CONSULT-III Data Link Connector (DLC) Circuit ...47
Wiring Diagram .................................................... ...48
Revision: April 20092010 QX56

GI-6
< HOW TO USE THIS MANUAL >
HOW TO FOLLOW TROUBLE DIAGNOSES
HOW TO FOLLOW TROUBLE DIAGNOSES
DescriptionINFOID:0000000005149573
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following
instructions before diagnosing.
• Before performing trouble diagnoses, read the “Work Flow” in each section.
• After repairs, re-check that the problem has been completely eliminated.
• Refer to Component Parts and Harness Connector Location for the Systems described in each section for
identification/location of components and harness connectors.
• When checking circuit continuity, ignition switch should be OFF.
• Refer to the Circuit Diagram for quick pinpoint check. If you need to check circuit continui ty between harness connectors in more detail, such as when a sub-har-
ness is used, refer to Wiring Diagram in each individual section and Harness Layout in PG section for identi-
fication of harness connectors.
• Before checking voltage at connectors, check battery voltage.
• After accomplishing the Diagnosis Procedures and Elec trical Components Inspection, make sure that all
harness connectors are reconnected as they were.
How to Follow Test Grou ps in Trouble DiagnosisINFOID:0000000005149574
1. Test group number and test group title
• Test group number and test group title are s hown in the upper portion of each test group.
2. Work and diagnosis procedure • Start to diagnose a problem using procedures indicated in enclosed test groups.
3. Questions and results • Questions and required results are indicated in test group.
4. Action • Next action for each test group is indicated based on result of each question.
JPAIA0021GB
Revision: April 20092010 QX56

HOW TO READ WIRING DIAGRAMSGI-9
< HOW TO USE THIS MANUAL >
C
DE
F
G H
I
J
K L
M B
GI
N
O PHOW TO READ WIRING DIAGRAMS
Connector symbolsINFOID:0000000005149576
Most of connector symbols in wiring diagrams are shown from the terminal side.
• Connector symbols shown from the terminal side are enclosed by a single line and followed by the direction mark.
• Connector symbols shown from the harness side are enclosed by a double line and followed by the direction mark.
• Certain systems and components, especially those related to
OBD, may use a new style slide-locking type harness connector.
For description and how to disconnect, refer to PG section,
“Description”, “HARNESS CONNECTOR”.
• Male and female terminals Connector guides for male terminals are shown in black and
female terminals in white in wiring diagrams.
SAIA0257E
SGI363
Revision: April 20092010 QX56

GI-10
< HOW TO USE THIS MANUAL >
HOW TO READ WIRING DIAGRAMS
Sample/wiring diagram -example-
INFOID:0000000005149577
• For detail, refer to following GI-11, "Description".
JCAWA0005GB
Revision: April 20092010 QX56