2005 INFINITI QX4 engine

PG-32
GROUND CIRCUIT
Revision: October 20052005 QX56
ENGINE ROOM HARNESS
WKIA3622E

GROUND CIRCUIT
PG-35
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
ENGINE CONTROL HARNESS
WKIA5121E

HARNESS
PG-39
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
HARNESSPFP:24010
Harness LayoutEKS00BND
HOW TO READ HARNESS LAYOUT
The following Harness Layouts use a map style grid to help locate
connectors on the drawings:

Main Harness, Console Sub-harness, Console Switch Sub-har-
ness and Optical Sensor Sub-harness

Engine Room Harness LH View (Engine Compartment)

Engine Room Harness RH View (Engine Compartment) and
Generator Sub-harness

Engine Control Harness and Engine Control Sub-harness

Chassis Harness and Rear Sonar Sensor Sub-harness

Body Harness

Body No. 2 Harness
To use the grid reference
1. Find the desired connector number on the connector list.
2. Find the grid reference.
3. On the drawing, find the crossing of the grid reference letter column and number row.
4. Find the connector number in the crossing zone.
5. Follow the line (if used) to the connector.
CONNECTOR SYMBOL
Main symbols of connector (in Harness Layout) are indicated below.
SEL252V
Connector typeWater proof type Standard type
Male Female Male Female

Cavity: 4 or Less

Relay connector

Cavity: From 5 to 8

Cavity: 9 or More

Ground terminal etc.
—

HARNESS
PG-43
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
ENGINE ROOM HARNESS (LH VIEW)
Engine Compartment
Refer to PG-46, "ENGINE ROOM HARNESS (RH VIEW)" for continuation of engine room harness.
LKIA0425E

PG-46
HARNESS
Revision: October 20052005 QX56
ENGINE ROOM HARNESS (RH VIEW)
Engine Compartment
Refer to PG-43, "ENGINE ROOM HARNESS (LH VIEW)" for continuation of engine room harness.
WKIA5123E

PG-48
HARNESS
Revision: October 20052005 QX56
ENGINE CONTROL HARNESS
WKIA5152E

PG-60
HARNESS
Revision: October 20052005 QX56
Wiring Diagram Codes (Cell Codes)EKS00BNE
Use the chart below to find out what each wiring diagram code stands for.
Refer to the wiring diagram code in the alphabetical index to find the location (page number) of each wiring
diagram.
Code Section Wiring Diagram Name
A/C,A ATC Auto Air Conditioner
A/SUSP RSU Rear Air Suspension
AF1B1 EC Air Fuel Ratio Sensor 1 (Bank 1)
AF1B2 EC Air Fuel Ratio Sensor 1 (Bank 2)
AF1HB1 EC Air Fuel Ratio Sensor 1 (Bank 1)
AF1HB2 EC Air Fuel Ratio Sensor 1 (Bank 2)
APPS1 EC Accelerator Pedal Position Sensor
APPS2 EC Accelerator Pedal Position Sensor
APPS3 EC Accelerator Pedal Position Sensor
ASC/BS EC ASCD Brake Switch
ASC/SW EC ASCD Steering Switch
ASCBOF EC ASCD Brake Switch
ASCIND EC ASCD Indicator
A/T AT A/T Assembly
AT/IND DI A/T Indicator Lamp
AUDIO AV Audio
AUTO/DP SE Automatic Drive Positioner
AUTO/L LT Auto Light Control
B/CLOS BL Back Door Auto Closure System
BACK/L LT Back-up Lamp
BRK/SW EC Brake Switch
CAN EC CAN Communication Line
CAN LAN CAN System
CHARGE SC Charging System
CHIME DI Warning Chime
CLOCK DI Clock
COOL/F EC Cooling Fan Control
COMBSW LT Combination Switch
COMM AV Audio Visual Communication System
COMPAS DI Compass and Thermometer
D/LOCK BL Power Door Lock
DEF GW Rear Window Defogger
DTRL LT Headlamp - With Daytime Light System
DVD AV DVD Entertainment System
ECM/PW EC ECM Power Supply for Back-Up
ECTS EC Engine Coolant Temperature Sensor
ETC1 EC Electric Throttle Control Function
ETC2 EC Throttle Control Motor Relay
ETC3 EC Throttle Control Motor
F/FOG LT Front Fog Lamp
F/PUMP EC Fuel Pump
FTTS EC Fuel Tank Temperature Sensor
FUELB1 EC Fuel Injection System Bank 1
FUELB2 EC Fuel Injection System Bank 2
H/AIM LT Headlamp Aiming Control
H/LAMP LT Headlamp
HORN WW Horn

ELECTRICAL UNITS LOCATION
PG-63
C
D
E
F
G
H
I
J
L
MA
B
PG
Revision: October 20052005 QX56
ELECTRICAL UNITS LOCATIONPFP:25230
Electrical Units LocationEKS00BNF
ENGINE COMPARTMENT
WKIA2014E