2003 NISSAN PICK-UP wiring diagram

ENGINE CONTROL SYSTEM
SECTION
EC
CONTENTS
PRECAUTIONS AND PREPARATION............... 4002
Supplemental Restraint System (SRS) ``AIR
BAG'' and ``SEAT BELT PRE-TENSIONER'' .. 4002
KA24DE
TROUBLE DIAGNOSIS FOR
NON-DETECTABLE ITEMS................................ 4003
Electrical Load Signal ...................................... 4003
IACV-FICD Solenoid Valve .............................. 4005
KA24DE (EURO OBD)
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM...............................................................4006
Circuit Diagram ................................................ 4006IACV-FICD SOLENOID VALVE.......................... 4007
Wiring Diagram ................................................ 4007
Diagnostic Procedure....................................... 4009
YD25DDTi
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM...............................................................4013
Circuit Diagram ................................................ 4013
DTC 0208 OVER HEAT....................................... 4014
Wiring Diagram ................................................ 4014
GLOW CONTROL SYSTEM............................... 4015
Wiring Diagram ................................................ 4015
AIR CONDITIONER CONTROL.......................... 4016
Wiring Diagram ................................................ 4016
When you read wiring diagrams:
lRead GI section, ªHOW TO READ WIRING DIAGRAMSº.
lSee EL section, ªPOWER SUPPLY ROUTINGº for power distribution circuit.
When you perform trouble diagnoses, read GI section, ªHOW TO FOLLOW FLOW CHART IN
TROUBLE DIAGNOSESº and ªHOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL
INCIDENTº.

EC

Wiring Diagram
MODEL WITH MANUAL AIR CONDITIONER
GEC389A
IACV-FICD SOLENOID VALVEKA24DE (EURO OBD)
EC-4007

MODEL WITH AUTO AIR CONDITIONER
GEC390A
IACV-FICD SOLENOID VALVEKA24DE (EURO OBD)
Wiring Diagram (Cont'd)
EC-4008

Wiring Diagram
GEC354A
DTC 0208 OVER HEATYD25DDTi
EC-4014

Wiring Diagram
GEC385A
GLOW CONTROL SYSTEMYD25DDTi
EC-4015

Wiring Diagram
GEC383A
AIR CONDITIONER CONTROLYD25DDTi
EC-4016

GEC384A
AIR CONDITIONER CONTROLYD25DDTi
Wiring Diagram (Cont'd)
EC-4017

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