Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 1998-2002 Approved Nissan Frontier 2000 VG33E EL
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ELECTRICAL SYSTEM GI
SECTION EL MA
EM
LC
When you read wiring diagrams:
q Read GI section, ``HOW TO READ WIRING DIAGRAMS''.
When you perform trouble diagnoses, read GI section, ``HOW TO FOLLOW FLOW EC
CHART IN TROUBLE DIAGNOSES'' and ``HOW TO PERFORM EFFICIENT DIAGNOSIS
FOR AN ELECTRICAL INCIDENT''.
q Check for any service bulletins before servicing the vehicle. FE
CL
CONTENTS
MT
PRECAUTIONS AND PREPARATION............................4 Service Data and Specifications (SDS).....................38
Supplemental Restraint System (SRS) COMBINATION SWITCH...............................................39
``AIR BAG'' ...................................................................4 Check.........................................................................39 AT
HARNESS CONNECTOR................................................5 Replacement..............................................................40
Description ...................................................................5 STEERING SWITCH......................................................41
STANDARDIZED RELAY ................................................7 Check.........................................................................41 TF
Description ...................................................................7 HEADLAMP ...................................................................42
POWER SUPPLY ROUTING ...........................................9 System Description (For USA) ..................................42
Schematic ....................................................................9 Wiring Diagram (For USA) -- H/LAMP -- ................43 PD
Wiring Diagram -- POWER --..................................11 Trouble Diagnoses.....................................................44
Fuse ...........................................................................16 Bulb Replacement .....................................................45
Fusible Link................................................................16 Aiming Adjustment .....................................................45 FA
Circuit Breaker Inspection .........................................16 HEADLAMP -- Daytime Light System -- ..................47
GROUND DISTRIBUTION.............................................17 System Description (For Canada) .............................47
RA
Main Harness.............................................................17 Operation (For Canada) ............................................48
Engine Room Harness ..............................................19 Schematic (For Canada) ...........................................49
Engine Control Harness ............................................21 Wiring Diagram (For Canada) -- DTRL -- ...............50 BR
Generator Harness ....................................................23 Trouble Diagnoses (For Canada) ..............................53
BATTERY .......................................................................24 Bulb Replacement .....................................................54
How to Handle Battery ..............................................24 Aiming Adjustment .....................................................54 ST
Service Data and Specifications (SDS).....................27 PARKING, LICENSE AND TAIL LAMPS......................55
STARTING SYSTEM .....................................................28 Wiring Diagram -- TAIL/L -- .....................................55
System Description....................................................28 STOP LAMP ..................................................................57 RS
Wiring Diagram -- START --....................................30 Wiring Diagram -- STOP/L --...................................57
Construction...............................................................32 BACK-UP LAMP............................................................58
Removal and Installation ...........................................33 Wiring Diagram -- BACK/L --...................................58 BT
Pinion/Clutch Check ..................................................33 FRONT FOG LAMP.......................................................59
Service Data and Specifications (SDS).....................33 System Description....................................................59
HA
CHARGING SYSTEM ....................................................34 Wiring Diagram -- F/FOG -- ....................................60
System Description....................................................34 Aiming Adjustment .....................................................61
Wiring Diagram -- CHARGE --................................35 Removal and Installation ...........................................62 EL
Trouble Diagnoses.....................................................36 Bulb and Lens Replacement .....................................62
Construction...............................................................37 TURN SIGNAL AND HAZARD WARNING LAMPS .....63
Removal and Installation ...........................................38 System Description....................................................63 IDX
CONTENTS (Cont'd.)
Wiring Diagram -- TURN -- .....................................65 Schematic ..................................................................95
Trouble Diagnoses.....................................................67 Wiring Diagram -- WARN -- ....................................96
Electrical Components Inspection .............................67 Electrical Components Inspection ...........................101
ILLUMINATION ..............................................................68 A/T INDICATOR...........................................................102
System Description....................................................68 Wiring Diagram -- AT/IND --..................................102
Wiring Diagram -- ILL -- ..........................................69 WARNING CHIME .......................................................103
INTERIOR ROOM LAMP...............................................70 Component Parts and Harness Connector
Component Parts and Harness Connector Location ...................................................................103
Location .....................................................................70 System Description..................................................104
System Description....................................................71 Wiring Diagram -- CHIME --..................................106
Wiring Diagram -- ROOM/L -- .................................73 Trouble Diagnoses...................................................108
Trouble Diagnoses (For models with power door Electrical Components Inspection ...........................114
locks)..........................................................................76 FRONT WIPER AND WASHER ..................................115
SPOT LAMP ..................................................................77 System Description..................................................115
Wiring Diagram -- INT/L --.......................................77 Wiring Diagram -- WIPER -- .................................117
METER AND GAUGES .................................................78 Trouble Diagnoses (With intermittent wipers) .........119
Component Parts and Harness Connector Removal and Installation .........................................121
Location .....................................................................78 Washer Nozzle Adjustment .....................................122
System Description....................................................79 Washer Tube Layout ...............................................122
Unified Control Meter ............................................79 HORN ...........................................................................123
How To Change The Display For Odo/Trip Wiring Diagram -- HORN --...................................123
Meter .....................................................................79 CIGARETTE LIGHTER................................................124
Combination Meter ....................................................81 Wiring Diagram -- CIGAR --..................................124
With Tachometer ...................................................81 AUDIO ..........................................................................125
Without Tachometer ..............................................82 System Description..................................................125
Wiring Diagram -- METER --...................................83 Base Audio System.............................................125
Meter/gauge Operation and Odo/Trip Meter Premium Audio System.......................................125
Segment Check in Diagnosis Mode ..........................84 Wiring Diagram -- AUDIO -- ..................................126
Diagnosis Function................................................84 Trouble Diagnoses...................................................129
How To Alternate Diagnosis Mode........................84 Inspection.................................................................130
Flexible Print Circuit (FPC)........................................85 AUDIO ANTENNA .......................................................132
Disconnect.............................................................85 Fixed Antenna Rod Replacement............................132
Connect .................................................................85 Removal ..............................................................132
Trouble Diagnoses.....................................................86 Installation ...........................................................132
Preliminary Check .................................................86 POWER DOOR MIRROR ............................................133
Symptom Chart 1 (Malfunction is indicated in Wiring Diagram -- MIRROR --...............................133
diagnosis mode)....................................................87 AUTOMATIC SPEED CONTROL DEVICE (ASCD)....134
Symptom Chart 2 (No malfunction is indicated Component Parts and Harness Connector
in diagnosis mode)................................................87 Location ...................................................................134
Power Supply And Ground Circuit Check.............88 System Description..................................................135
Inspection/Vehicle Speed Sensor .........................89 Schematic ................................................................137
Inspection/Engine Revolution Signal (Models Wiring Diagram -- ASCD -- ...................................138
with tachometer)....................................................89 Fail-Safe System Description ..................................142
Inspection/Fuel Tank Gauge .................................90 Fail-Safe System Check ..........................................143
Inspection/Thermal Transmitter.............................90 Trouble Diagnoses...................................................144
Electrical Components Inspection .............................91 ASCD Wire Adjustment ...........................................152
Meter/Gauge Resistance Check ...........................91 Electrical Components Inspection ...........................153
Fuel Tank Gauge Unit Check................................91 POWER WINDOW .......................................................154
Thermal Transmitter Check...................................92 System Description..................................................154
Vehicle Speed Sensor Signal Check ....................92 Wiring Diagram -- WINDOW -- .............................156
WARNING LAMPS ........................................................93 Trouble Diagnoses...................................................158
System Description....................................................93 POWER DOOR LOCK.................................................159
EL-2
CONTENTS (Cont'd.) GI
Component Parts and Harness Connector Description ...............................................................209
Location ...................................................................159 Input/Output Operation Signal .................................210 MA
System Description..................................................160 Schematic ................................................................211
Schematic ................................................................162 LOCATION OF ELECTRICAL UNITS.........................213
Wiring Diagram -- D/LOCK --................................163 Engine Compartment...............................................213 EM
Trouble Diagnoses...................................................166 Passenger Compartment.........................................214
MULTI-REMOTE CONTROL SYSTEM .......................174 HARNESS LAYOUT ....................................................216
LC
Component Parts and Harness Connector Outline......................................................................216
Location ...................................................................174 How to Read Harness Layout .................................217
System Description..................................................175 Main Harness...........................................................218 EC
Schematic ................................................................177 Engine Room Harness ............................................220
Wiring Diagram -- MULTI --...................................178 Engine Control Harness ..........................................223
Trouble Diagnoses...................................................181 Engine No. 2 Harness .............................................225 FE
Electrical Components Inspection ...........................187 Chassis and Tail Harness........................................226
ID Code Entry Procedure ........................................188 Room Lamp Harness...............................................227
THEFT WARNING SYSTEM .......................................189 Door Harness...........................................................228 CL
Component Parts and Harness Connector Air Bag Harness ......................................................229
Location ...................................................................189 BULB SPECIFICATIONS ............................................230
System Description..................................................191 Headlamps...............................................................230 MT
Schematic ................................................................194 Exterior Lamps.........................................................230
Wiring Diagram -- THEFT --..................................195 Interior Lamps..........................................................230
AT
Trouble Diagnoses...................................................198 WIRING DIAGRAM CODES (CELL CODES).............231
SMART ENTRANCE CONTROL UNIT .......................209
TF
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
EL-3
PRECAUTIONS AND PREPARATION
Supplemental Restraint System (SRS)
``AIR BAG''
The Supplemental Restraint System ``AIR BAG'', used along with a seat belt, helps to reduce the risk or
severity of injury to the driver and front passenger in a frontal collision. The Supplemental Restraint System
consists of air bag modules (located in the center of the steering wheel and in the instrument panel on the
passenger side), a diagnosis sensor unit, a crash zone sensor, warning lamp, wiring harness and spiral cable.
The vehicle is equipped with a passenger air bag deactivation switch. Because no rear seat exists where a
rear-facing child restraint can be placed, the switch is designed to turn off the passenger air bag so that a
rear-facing child restraint can be used in the front passenger seat. The switch is located in the center of the
instrument panel, near the ashtray. When the switch is turned to the ON position, the passenger air bag is
enabled and could inflate in a frontal collision. When the switch is turned to the OFF position, the passenger
air bag is disabled and will not inflate in a frontal collision. A passenger air bag OFF indicator on the instru-
ment panel lights up when the passenger air bag is switched OFF. The driver air bag always remains enabled
and is not affected by the passenger air bag deactivation switch.
Information necessary to service the system is included in the RS section of this Service Manual.
WARNING:
q 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 should be per-
formed by an authorized NISSAN dealer.
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system.
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses are covered with yellow insulation either just before the
harness connectors or on the complete harness, for easy identification.
q The vehicle is equipped with a passenger air bag deactivation switch which can be operated by
the customer. When the passenger air bag is switched OFF, the passenger air bag is disabled and
will not inflate in a frontal collision. When the passenger air bag is switched ON, the passenger air
bag is enabled and could inflate in a frontal collision. After SRS maintenance or repair, make sure
the passenger air bag deactivation switch is in the same position (ON or OFF) as when the vehicle
arrived for service.
EL-4
HARNESS CONNECTOR
Description GI
HARNESS CONNECTOR (TAB-LOCKING TYPE)
q The tab-locking type connectors help prevent accidental looseness or disconnection. MA
q The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to illustra-
tion below.
Refer to EL-6 for description of the slide-locking type connector. EM
CAUTION:
Do not pull the harness when disconnecting the connector.
LC
[Example]
EC
FE
CL
MT
AT
TF
PD
FA
RA
BR
ST
RS
BT
HA
EL
SEL769DA
IDX
EL-5
HARNESS CONNECTOR
Description (Cont'd)
HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
q A new style slide-locking connector is used on certain systems and components, especially those related
to OBD.
q The slide-locking type connectors help pervent incomplete locking and accidental looseness or disconnec-
tion.
q The slide-locking type connectors are disconnected by pushing or pulling the slider. Refer to illustration
below.
CAUTION:
q Do not pull the harness or wires when disconnecting the connector.
q Be careful not to damage the connector support bracket when disconnecting the connector.
[Example]
AEL299C
EL-6
STANDARDIZED RELAY
Description GI
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can be divided into three main types: normal open, normal closed and mixed type relays. MA
EM
LC
EC
FE
CL
MT
AT
SEL881H
TF
TYPES OF STANDARDIZED RELAYS
PD
1M .................... 1 Make 2M .................... 2 Make
1T .................... 1 Transfer 1M 1B .................... 1 Make 1 Break
FA
RA
BR
ST
RS
BT
HA
SEL882H
EL
IDX
EL-7
STANDARDIZED RELAY
Description (Cont'd)
AEL672B
EL-8
POWER SUPPLY ROUTING
Schematic GI
MA
EM
LC
EC
FE
CL
MT
AT
TF
PD
FA
RA
BR
ST
RS
BT
HA
EL
IDX
AEL580C
EL-9
POWER SUPPLY ROUTING
Schematic (Cont'd)
AEL581C
EL-10
POWER SUPPLY ROUTING
Wiring Diagram -- POWER -- GI
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