1999 NISSAN PICK-UP EC IGN

BRAKESYSTEM
SECTION
BR
MODIFICATION NOTICE:
lWiring Diagrams have been changed.
lService data and specifications (SDS) has been changed.
CONTENTS
TROUBLE DIAGNOSES ..................................... 2002
Component Parts and Harness Connector
Location............................................................ 2002
Schematic/2WD Models................................... 2003
Wiring Diagram - ABS -/2WD LHD Models ..... 2004
Wiring Diagram - ABS -/2WD RHD Models .... 2007
Schematic/4WD Models................................... 2010
Wiring Diagram - ABS -/4WD LHD Models ..... 2011
Wiring Diagram - ABS -/4WD RHD Models .... 2015
TROUBLE DIAGNOSES FOR
SELF-DIAGNOSTIC ITEMS ................................ 2019
Diagnostic Procedure 1 (Wheel sensor or
rotor)................................................................. 2019
Diagnostic Procedure 2 (ABS actuator
solenoid valve and solenoid valve relay)......... 2021 Diagnostic Procedure 3 (Motor relay o
rmotor).............................................................. 2023
Diagnostic Procedure 4 (Low voltage) ............ 2025
Diagnostic Procedure 5 (G sensor) ................. 2026
Diagnostic Procedure 6 (Control unit) ............. 2027
TROUBLE DIAGNOSES FOR SYMPTOMS ....... 2028
Diagnostic Procedure 12 (Warning lamp does
not come on when ignition switch is turned
ON.).................................................................. 2028
Diagnostic Procedure 13 (Warning lamp stays
on when ignition switch is turned ON.)............ 2030
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................... 2031
General Specifications ..................................... 2031
BR

VA
REPLACE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Replace fusible link.
Does the fusible link blow out when
ignition switch is turned ªONº?
Yes
cNo
Inspection end
CHECK SOLENOID VALVE RELAY
POWER SUPPLY CIRCUIT.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Disconnect ABS actuator and electric
unit connector.
2. Check continuity between ABS actuator
and electric unit connector
E4(body
side) terminal
V18and ground.
Continuity should not exit.
OK
cNG
Check the following.
lHarness connectorE4
lHarness for open or short
between ABS actuator
and electric unit and
fusible link
If NG, repair harness or
connector.
REPLACE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Replace ABS actuator and electric unit.
VB
REPLACE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Replace fuse.
Does the fuse blow out when ignition
switch is turned ªONº?
No
cYes
Check the following.
lHarness connectorE4
lHarness for open or
short between ABS
actuator and electric unit
and fuse
If NG, repair harness or
connector.
END
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
INSPECTION END
SBR053E
.
.
.
.
.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
Diagnostic Procedure 2 (ABS actuator
solenoid valve and solenoid valve relay)
(Cont'd)
BR-2022

VA
REPLACE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Replace fusible link.
Does the fusible link blow out when
ignition switch is turned ªONº?
Yes
cNo
Inspection end
CHECK ABS ACTUATOR MOTOR
POWER SUPPLY CIRCUIT.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Disconnect battery cable and ABS
actuator and electric unit connector
E4.
2. Check continuity between ABS actuator
and electric unit connector
E4(body
side) terminal
V17and ground.
Continuity should not exist.
OK
cNG
Check the following
lHarness connectorE4
lHarness for open or
short between ABS
actuator and electric unit
and fusible link
If NG, repair harness or
connector.
CHECK HARNESS CONNECTOR.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector.
Reconnect ABS actuator and electric unit
harness connector. Then retest.
SBR056EF
.
.
.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
Diagnostic Procedure 3 (Motor relay or
motor) (Cont'd)
BR-2024

Diagnostic Procedure 4 (Low voltage)
Malfunction code No. 57
CHECK CONNECTOR.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Disconnect ABS actuator and electric
unit connector. Check terminals for
damage or loose connection. Then
reconnect connector.
2. Carry out self-diagnosis again.
Does warning lamp activate again?
Yes
cNo
Inspection end
CHECK ABS CONTROL UNIT POWER
SUPPLY CIRCUIT.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Disconnect ABS actuator and electric
unit connector.
2. Check voltage between ABS actuator
and electric unit connector
E4(body
side) terminal
V15and ground.
Battery voltage should exist when
ignition switch is turned ON.
OK
cNGVA(See below.)
CHECK ABS CONTROL UNIT GROUND.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Refer to ABS ACTUATOR AND ELEC-
TRIC UNIT GROUND in Ground Circuit
Check. Refer to original Service Manual.
OK
cNG
Repair harness and con-
nector.
CHECK HARNESS CONNECTOR.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector. Reconnect ABS actuator and
electric unit harness connector. Then
retest.
VA
CHECK FUSE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check 10A fuse
18. For fuse layout, refer
to POWER SUPPLY ROUTING in EL
section.
OK
cNG
Replace fuse.
CHECK ABS CONTROL UNIT POWER
SUPPLY CIRCUIT.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check continuity between battery and
ABS actuator and electric unit connector
E4(body side) terminalV15.
OK
cNG
Check the following.
lHarness connectorE4lHarness for open or
short between ABS
actuator and electric unit
and fuse
If NG, repair harness or
connector.
CHECK BATTERY.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check battery. Refer to BATTERY in EL
section.
SBR057EA
SBR058EF
.
.
.
.
.
.
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS
BR-2025

Diagnostic Procedure 12 (Warning lamp does
not come on when ignition switch is turned
ON.)
CHECK FUSE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check 10A fuse
20. For fuse layout, refer
to POWER SUPPLY ROUTING in EL
section.
OK
cNG
Replace fuse.
CHECK WARNING LAMP ACTIVATE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Disconnect ABS actuator and electric unit
connector.
Does the warning lamp activate?
No
cYesVA(Go to next page.)
CHECK HARNESS FOR SHORT.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Disconnect ABS actuator and electric
unit connector.
2. Check voltage between ABS actuator
and electric unit connector
E4(body
side) terminal
V10(2WD) orV21(4WD)
and ground.
Battery voltage should not exist.
OK
cNG
Repair harness or connec-
tor.
CHECK COMBINATION METER.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check combination meter. Refer to
WARNING LAMPS in EL section.
SBR063EA
SBR069E
SBR144E
.
.
.
TROUBLE DIAGNOSES FOR SYMPTOMS
BR-2028

VA
CHECK HARNESS CONNECTOR.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check ABS actuator and electric unit pin
terminals for damage or connection of
ABS actuator and electric unit harness
connector. Reconnect ABS actuator and
electric unit harness connector. Then
retest.
NG
cOK
Inspection end
REPLACE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Replace ABS actuator and electric unit.
.
.
TROUBLE DIAGNOSES FOR SYMPTOMS
Diagnostic Procedure 12 (Warning lamp
does not come on when ignition switch is
turned ON.) (Cont'd)
BR-2029

Diagnostic Procedure 13 (Warning lamp
stays on when ignition switch is turned ON.)
CHECK WARNING LAMP.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Disconnect ABS actuator and electric
unit connector.
2. Connect suitable wire between ABS
actuator and electric unit connector
E4(body side) terminalV10(2WD) or
V21(4WD) and ground.
Warning lamp should not activate.
OK
cNG
Repair combination meter.
Check the following.
lHarness connectorE4
lHarness for open or
short between ABS
actuator and electric unit
and fuse
If NG, repair harness or
connector.
CHECK HARNESS CONNECTOR.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Check ABS actuator and electric unit pin
terminals for damage or the connection of
ABS actuator and electric unit harness
connector. Reconnect ABS actuator and
electric unit harness connector. Then
retest.
NG
cOK
Inspection end
CHECK ABS MOTOR GROUND.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Turn ignition switch ªOFFº.
2. Disconnect ABS actuator and electric
unit connector.
3. Check continuity between ABS actuator
and electric unit connector
E4(body
side)
V16and ground.
Continuity should exist.
OK
cNG
Check the following.
lHarness connectorE4
lHarness for open or
short between ABS
actuator and electric unit
and ground
If NG, repair harness or
connector.
REPLACE.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Replace ABS actuator and electric unit.
SBR145EA
SBR146E
SBR147E
.
.
.
TROUBLE DIAGNOSES FOR SYMPTOMS
BR-2030

ENGINECONTROLSYSTEM
SECTION
EC
MODIFICATION NOTICE:
Gasoline engine
Diesel engine
lWiring diagrams have been changed.
CONTENTS
PRECAUTIONS AND PREPARATION ............... 2003
Supplemental Restraint System (SRS) ``AIR
BAG'' and ``SEAT BELT PRE-TENSIONER'' .. 2003
KA24E
ENGINE AND EMISSION CONTROL OVERALL
SYSTEM............................................................... 2004
Circuit Diagram ................................................ 2004
TROUBLE DIAGNOSIS FOR POWER
SUPPLY ............................................................... 2005
Main Power Supply and Ground Circuit .......... 2005
TROUBLE DIAGNOSIS FOR ``CAMSHAFT
POSI SEN'' (DTC 11) ........................................... 2007
Camshaft Position Sensor (CMPS) ................. 2007
TROUBLE DIAGNOSIS FOR ``MASS AIR FLOW
SEN'' (DTC 12) .................................................... 2008
Mass Air Flow Sensor (MAFS) ........................ 2008
TROUBLE DIAGNOSIS FOR
NON-DETECTABLE ITEMS ................................ 2009
Vehicle Speed Sensor (VSS) .......................... 2009
Heated Oxygen Sensor (HO2S)
- LHD Models - ................................................ 2010
Idle Air Control Valve (IACV) - Auxiliary Air
Control (AAC) Valve ........................................ 2011 Park/Neutral Position Switch ........................... 2012
EVAP Canister Purge Control Solenoid
Valve ................................................................ 2013
Start Signal ...................................................... 2014
Fuel Pump........................................................ 2015
Power Steering Oil Pressure Switch ............... 2016
Swirl Control Valve Control Solenoid Valve .... 2017
IACV-FICD Solenoid Valve .............................. 2018
MIL & Data Link Connectors ........................... 2019
TD
QUICK-GLOW SYSTEM ...................................... 2020
Circuit Diagram ................................................ 2020
Wiring Diagram ................................................ 2021
EGR SYSTEM ...................................................... 2027
Wiring Diagram ................................................ 2027
SOLENOID TIMER .............................................. 2031
Wiring Diagram ................................................ 2031
FUEL HEATER SYSTEM .................................... 2033
Wiring Diagram ................................................ 2033
FAST IDLE CONTROL CIRCUIT ........................ 2034
Wiring Diagram ................................................ 2034
EC