2003 NISSAN PICK-UP headlamp

ELECTRICAL SYSTEM
SECTION
EL
MODIFICATION NOTICE:
lWiring diagrams have been changed.
lHarness layouts have been changed.
lFog lamp system has been changed.
lCD auto-changer has been added.
CONTENTS
PRECAUTIONS................................................... 4002
Supplemental Restraint System (SRS)²AIR
BAG²and²SEAT BELT PRE-TENSIONER².. 4002
POWER SUPPLY ROUTING............................... 4003
Schematic ........................................................ 4003
Wiring Diagram - POWER -............................. 4004
COMBINATION SWITCH.................................... 4011
HEADLAMP - Headlamp Aiming Control -....... 4012
Wiring Diagram - H/AIM - ................................ 4012
PARKING, LICENSE AND TAIL LAMPS........... 4014
Wiring Diagram - TAIL/L -/LHD Models........... 4014
FRONT FOG LAMP............................................. 4016
Wiring Diagram - F/FOG -/LHD Models .......... 4016
Wiring Diagram - F/FOG -/RHD Models.......... 4017
REAR FOG LAMP............................................... 4018
Wiring Diagram - R/FOG -/LHD Models
without Front Fog Lamp................................... 4018
Wiring Diagram - R/FOG -/RHD Models
without Front Fog Lamp................................... 4019
Wiring Diagram - R/FOG -/LHD Models with
Front Fog Lamp ............................................... 4020
Wiring Diagram - R/FOG -/RHD Models with
Front Fog Lamp ............................................... 4022
INTERIOR ROOM LAMP..................................... 4023
Wiring Diagram - ROOM/L - ............................ 4023
ILLUMINATION.................................................... 4024
Wiring Diagram - ILL -/LHD Models ................ 4024
Wiring Diagram - ILL -/RHD Models................ 4026
METER AND GAUGES....................................... 4028
Wiring Diagram - METER -/Gasoline Engine
with Tachometer .............................................. 4028WARNING LAMPS.............................................. 4030
Schematic/With Tachometer ............................ 4030
Schematic/Without Tachometer ....................... 4031
Wiring Diagram - WARN -/Gasoline Engine
with Tachometer .............................................. 4032
Wiring Diagram - WARN -/Gasoline Engine
without Tachometer ......................................... 4036
Wiring Diagram - WARN -/Diesel Engine with
Tachometer ...................................................... 4040
Wiring Diagram - WARN -/Diesel Engine
without Tachometer ......................................... 4044
WARNING CHIME............................................... 4049
Wiring Diagram - CHIME -/LHD Models.......... 4049
AUDIO.................................................................. 4050
Wiring Diagram - AUDIO -/LHD Models .......... 4050
Wiring Diagram - AUDIO -/RHD Models ......... 4052
NATS (Nissan Anti-Theft System).................... 4054
Wiring Diagram - NATS -/LHD Models............ 4054
Wiring Diagram - NATS -/RHD Models ........... 4055
HARNESS LAYOUT............................................ 4056
Main Harness ................................................... 4056
Engine Room Harness..................................... 4062
Engine Control Harness................................... 4068
Chassis Harness and Tail Harness ................. 4071
Room Lamp Harness/LHD Models .................. 4072
Room Lamp Harness/RHD Models ................. 4073
WIRING DIAGRAM CODES (CELL CODES)..... 4074
SUPER MULTIPLE JUNCTION (SMJ)............... 4075
Terminal Arrangement ..................................... 4075

EL

Wiring Diagram Ð H/AIM Ð
GEL664A
HEADLAMP Ð Headlamp Aiming Control Ð
EL-4012

GEL378A
HEADLAMP Ð Headlamp Aiming Control Ð
Wiring Diagram Ð H/AIM Ð (Cont'd)
EL-4013

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
AAC/V EC IACV-AAC Valve
A/C, A HA Auto Air Conditioner
A/C, M HA Manual Air Conditioner
A/CCUT EC Air Conditioner Control
AIRREG EC IACV-Air Regulator
AUDIO EL Audio
BACK/L EL Back-up Lamp
CHIME EL Warning Chime
CMPS EC Camshaft Position Sensor
COOL/F LC, EC Cooling Fan Control
ECTS ECEngine Coolant Temperature
Sensor
F/FOG EL Front Fog Lamp
FICD EC IACV-FICD Solenoid Valve
F/PUMP EC Fuel Pump
GLOW EC Quick-glow System
H/AIM EL Headlamp Aiming Control
IGNSYS EC Ignition Signal
ILL EL Illumination
INJECT EC Injector
KS EC Knock Sensor
LOAD EC Electric Load Signal
MAFS EC Mass Air Flow SensorCode Section Wiring Diagram Name
MAIN ECMain Power Supply and Ground Cir-
cuit
METER ELSpeedometer, Tachometer, Temp.
and Fuel Gauges
MIL/DL EC MIL and Data Link Connectors
NATS EL Nissan Anti-theft System
O2H1B1 EC Heated Oxygen Sensor 1 Heater
O2H2B1 EC Heated Oxygen Sensor 2 Heater
O2S1B1 EC Heated Oxygen Sensor 1
O2S2B1 EC Heated Oxygen Sensor 2
PGC/V ECEVAP Canister Purge
Control Solenoid Valve
PNP/SW EC Park/Neutral Position Switch
POWER EL Power Supply Routing
PST/SW EC Power Steering Oil Pressure Switch
R/FOG EL Rear Fog Lamp
ROOM/L EL Interior Room Lamp
SRS RS Supplemental Restraint System
S/SIG EC Start Signal
TAIL/L EL Parking, License and Tail Lamps
TPS EC, AT Throttle Position Sensor
VSS EC Vehicle Speed Sensor
WARN EL Warning Lamps
WIRING DIAGRAM CODES (CELL CODES)
EL-4074

A
A/C relay ............................................... HA-4025
A/C service data specification .... HA-4015, 4026
A/C trouble diagnoses (auto A/C) ......... HA-4017
A/C trouble diagnoses (manual A/C) .... HA-4005
A/C, A - Wiring diagram ........................ HA-4018
A/C, M - Wiring diagram ... HA-4006, 4009, 4012
C
CHIME - Wiring diagram ....................... EL-4049
Combination meter ................................ EL-4028
Cooling fan control system .................... LC-4002
Cooling fan control ................................ EC-4014
D
Door trim ................................................ BT-4006
E
Exterior .................................................. BT-4003
F
F/FOG - Wiring diagram ........................ EL-4016
FICD - Wiring diagram .......................... EC-4005
Fog lamp, front ...................................... EL-4016
Fog lamp, rear ....................................... EL-4018
Front fog lamp ....................................... EL-4016
G
Gauges .................................................. EL-4028
H
H/AIM - Wiring diagram ......................... EL-4012
Harness layout ....................................... EL-4056
Headlamp aiming control ....................... EL-4012
I
ILL - Wiring diagram .............................. EL-4024
Illumination ............................................. EL-4024
Interior lamp ........................................... EL-4023
L
LOAD - Wiring diagram ........................ EC-4003LSV (Load sensing valve) ..................... BR-4002
License lamp ......................................... EL-4014
M
METER - Wiring diagram ...................... EL-4028
Meter ...................................................... EL-4028
Model variation ....................................... GI-4004
N
NATS (Nissan Anti-theft System) .......... EL-4054
NATS - Wiring diagram ......................... EL-4054
P
POWER - Wiring diagram ..................... EL-4004
Parking lamp .......................................... EL-4014
Power supply routing ............................. EL-4003
R
R/FOG - Wiring diagram ............. EL-4018, 4020
ROOM/L - Wiring diagram ..................... EL-4023
Rear bumper ......................................... BT-4002
Rear fog lamp ........................................ EL-4018
Refrigerant connection precaution ........ HA-4003
Refrigeration cycle ................................ HA-4004
S
SMJ (super multiple junction) ................ EL-4075
Steering wheel and column ................... ST-4002
Supplemental restraint system - Wiring
diagram ............................................. RS-4002
T
TAIL/L - Wiring diagram ........................ EL-4014
Tail lamp ................................................ EL-4014
V
Vehicle identification number ................. GI-4006
W
WARN - Wiring diagram ........................ EL-4032
Warning chime ....................................... EL-4049
Warning lamps ....................................... EL-4030
Wiring diagram (cell code) list ............... EL-4074
ALPHABETICAL INDEX
IDX-4002

ELECTRICAL SYSTEM
SECTION
EL
MODIFICATION NOTICE:
lWiring diagrams have been changed.
lHarness layouts have been changed.
lFog lamp system has been changed.
lCD auto-changer has been added.
CONTENTS
PRECAUTIONS................................................... 4002
Supplemental Restraint System (SRS)²AIR
BAG²and²SEAT BELT PRE-TENSIONER².. 4002
POWER SUPPLY ROUTING............................... 4003
Schematic ........................................................ 4003
Wiring Diagram - POWER -............................. 4004
COMBINATION SWITCH.................................... 4011
HEADLAMP - Headlamp Aiming Control -....... 4012
Wiring Diagram - H/AIM - ................................ 4012
PARKING, LICENSE AND TAIL LAMPS........... 4014
Wiring Diagram - TAIL/L -/LHD Models........... 4014
FRONT FOG LAMP............................................. 4016
Wiring Diagram - F/FOG -/LHD Models .......... 4016
Wiring Diagram - F/FOG -/RHD Models.......... 4017
REAR FOG LAMP............................................... 4018
Wiring Diagram - R/FOG -/LHD Models
without Front Fog Lamp................................... 4018
Wiring Diagram - R/FOG -/RHD Models
without Front Fog Lamp................................... 4019
Wiring Diagram - R/FOG -/LHD Models with
Front Fog Lamp ............................................... 4020
Wiring Diagram - R/FOG -/RHD Models with
Front Fog Lamp ............................................... 4022
INTERIOR ROOM LAMP..................................... 4023
Wiring Diagram - ROOM/L - ............................ 4023
ILLUMINATION.................................................... 4024
Wiring Diagram - ILL -/LHD Models ................ 4024
Wiring Diagram - ILL -/RHD Models................ 4026
METER AND GAUGES....................................... 4028
Wiring Diagram - METER -/Gasoline Engine
with Tachometer .............................................. 4028WARNING LAMPS.............................................. 4030
Schematic/With Tachometer ............................ 4030
Schematic/Without Tachometer ....................... 4031
Wiring Diagram - WARN -/Gasoline Engine
with Tachometer .............................................. 4032
Wiring Diagram - WARN -/Gasoline Engine
without Tachometer ......................................... 4036
Wiring Diagram - WARN -/Diesel Engine with
Tachometer ...................................................... 4040
Wiring Diagram - WARN -/Diesel Engine
without Tachometer ......................................... 4044
WARNING CHIME............................................... 4049
Wiring Diagram - CHIME -/LHD Models.......... 4049
AUDIO.................................................................. 4050
Wiring Diagram - AUDIO -/LHD Models .......... 4050
Wiring Diagram - AUDIO -/RHD Models ......... 4052
NATS (Nissan Anti-Theft System).................... 4054
Wiring Diagram - NATS -/LHD Models............ 4054
Wiring Diagram - NATS -/RHD Models ........... 4055
HARNESS LAYOUT............................................ 4056
Main Harness ................................................... 4056
Engine Room Harness..................................... 4062
Engine Control Harness................................... 4068
Chassis Harness and Tail Harness ................. 4071
Room Lamp Harness/LHD Models .................. 4072
Room Lamp Harness/RHD Models ................. 4073
WIRING DIAGRAM CODES (CELL CODES)..... 4074
SUPER MULTIPLE JUNCTION (SMJ)............... 4075
Terminal Arrangement ..................................... 4075

EL

Wiring Diagram Ð H/AIM Ð
GEL664A
HEADLAMP Ð Headlamp Aiming Control Ð
EL-4012

GEL378A
HEADLAMP Ð Headlamp Aiming Control Ð
Wiring Diagram Ð H/AIM Ð (Cont'd)
EL-4013