relay NISSAN NAVARA 2005 Repair Workshop Manual

PG-86
FUSE AND RELAY BOX

RFD-2
DIFFERENTIAL LOCK CONTROL UNIT ............ 42
DIFFERENTIAL LOCK MODE SWITCH ............. 42
DIFF LOCK INDICATOR LAMP ........................... 42
System Diagram ..................................................... 43
COMPONENTS FUNCTION DESCRIPTION ...... 43
CAN Communication .............................................. 43
SYSTEM DESCRIPTION .................................... 43
TROUBLE DIAGNOSIS ............................................ 44
Fail-safe Function ................................................... 44
How to Perform Trouble Diagnosis ......................... 44
BASIC CONCEPT ............................................... 44
Location of Electrical Parts ..................................... 45
Wiring Diagram — DIFLOC — ................................ 46
Trouble Diagnosis Chart for Symptoms .................. 48
Differential Lock Control Unit Input/Output Signal
Reference Values ................................................... 48
DIFFERENTIAL LOCK CONTROL UNIT
INSPECTION TABLE .......................................... 48
CONSULT-II Function (DIFF LOCK) ....................... 50
FUNCTION .......................................................... 50
CONSULT-II SETTING PROCEDURE ................ 50
SELF-DIAG RESULTS MODE ............................. 51
DATA MONITOR MODE ...................................... 53
TROUBLE DIAGNOSIS FOR SYSTEM .................... 54
Power Supply Circuit For Differential Lock Control
Unit ......................................................................... 54
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 54
DIFFERENTIAL LOCK CONTROL UNIT TER-
MINALS AND REFERENCE VALUE ................... 54
DIAGNOSTIC PROCEDURE .............................. 55
Differential Lock Control Unit .................................. 56
DIAGNOSTIC PROCEDURE .............................. 56
Differential Lock Mode Switch ................................ 56
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 56
DIFFERENTIAL LOCK CONTROL UNIT TER-
MINALS AND REFERENCE VALUE ................... 56
DIAGNOSTIC PROCEDURE .............................. 57
COMPONENT INSPECTION .............................. 59
Differential Lock Position Switch ............................. 60
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 60
DIFFERENTIAL CONTROL UNIT TERMINALS
AND REFERENCE VALUE ................................. 60
DIAGNOSTIC PROCEDURE .............................. 61
COMPONENT INSPECTION .............................. 63
Differential Lock Solenoid Relay ............................. 63
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 63DIAGNOSTIC PROCEDURE ............................... 63
Differential Lock Solenoid ....................................... 64
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 64
DIFFERENTIAL LOCK CONTROL UNIT TER-
MINALS AND REFERENCE VALUE ................... 64
DIAGNOSTIC PROCEDURE ............................... 65
COMPONENT INSPECTION ............................... 68
ABS System ............................................................ 68
DIAGNOSTIC PROCEDURE ............................... 68
CAN Communication Line ....................................... 69
DIAGNOSTIC PROCEDURE ............................... 69
TROUBLE DIAGNOSIS FOR SYMPTOMS .............. 70
DIFF LOCK Indicator Lamp Does Not Turn ON ...... 70
DIAGNOSTIC PROCEDURE ............................... 70
DIFF LOCK Indicator Lamp Does Not Change ....... 73
DIAGNOSTIC PROCEDURE ............................... 73
DIFF LOCK Indicator Lamp Sometimes Flashes .... 74
DIAGNOSTIC PROCEDURE ............................... 74
DIFFERENTIAL LOCK CONTROL UNIT .................. 76
Removal and Installation ......................................... 76
REMOVAL ............................................................ 76
INSTALLATION .................................................... 76
FRONT OIL SEAL ..................................................... 77
Removal and Installation ......................................... 77
REMOVAL ............................................................ 77
INSTALLATION .................................................... 78
CARRIER COVER ..................................................... 80
Removal and Installation ......................................... 80
REMOVAL ............................................................ 80
INSTALLATION .................................................... 80
REAR FINAL DRIVE ASSEMBLY ............................. 81
Removal and Installation ......................................... 81
REMOVAL ............................................................ 81
INSTALLATION .................................................... 81
Disassembly and Assembly .................................... 82
COMPONENTS ................................................... 82
ASSEMBLY INSPECTION AND ADJUSTMENT...83
DISASSEMBLY .................................................... 86
INSPECTION AFTER DISASSEMBLY ................ 90
SELECTION ADJUSTING WASHERS ................ 90
ASSEMBLY .......................................................... 91
SERVICE DATA AND SPECIFICATIONS (SDS) ....100
General Specifications ..........................................100
Inspection and Adjustment ....................................100
PRELOAD TORQUE .........................................100
BACKLASH ........................................................100
COMPANION FLANGE RUNOUT .....................100
SELECTIVE PARTS ..........................................101

TROUBLE DIAGNOSIS
RFD-49
[WITH ELECTRONIC LOCKING DIFFERENTIAL]
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RFD
Specifications Between Differential Lock Control Unit Terminals
DIFFERENTIAL LOCK CONTROL UNIT TERMINAL CONNECTOR LAYOUT
Data are reference value and are measured between each terminal and ground.RELAY ON [ON/OFF]Operating condition of dif-
ferential lock solenoid
relay (integrated in differ-
ential lock control unit)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
RELAY MTR [ON/OFF]Control status of differen-
tial lock solenoid relay
(integrated in differential
lock control unit)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
SOL MTR [ON/OFF]Control status of differen-
tial lock solenoid
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
IND MTR [ON/OFF]Control status of DIFF
LOCK indicator lampDIFF LOCK indicator lamp: ON ON
DIFF LOCK indicator lamp: OFF OFF
D-LOCK POS SW [ON/
OFF]Condition of differential
lock position switch
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ON
(DIFF LOCK indicator
lamp: ON)ON
Differential lock mode
switch: OFF
(DIFF LOCK indicator
lamp: OFF)OFF Monitor item [Unit] Content Condition Display value
SDIA2573E
TerminalWire
colorItem Condition Data (Approx.)
1 O Power supplyIgnition switch: ON Battery voltage
Ignition switch: OFF 0V
2 O Power supplyIgnition switch: ON Battery voltage
Ignition switch: OFF 0V
3 B Ground Always 0V
4 P CAN-L – –
5 L CAN-H – –
9YDifferential lock mode switch
(ON)Ignition switch: ONDifferential lock mode switch: ON Battery voltage
Differential lock mode switch: OFF 0V
10 B Ground Always 0V

RFD-52
[WITH ELECTRONIC LOCKING DIFFERENTIAL]
TROUBLE DIAGNOSIS
CAUTION:
If “CAN COMM CIRCUIT [U1000]” is displayed with other DTCs, first perform the trouble diagnosis for CAN communication
line.
How to Erase Self-diagnostic Results
1. Perform applicable inspection of malfunctioning item and then repair or replace.
2. Start engine and select “SELF-DIAG RESULTS” mode for “DIFF LOCK” with CONSULT-II.
3. Touch “ERASE” on CONSULT-II screen to erase DTC memory.
CAUTION:
If memory cannot be erased, perform diagnosis.
POSI SW ON
[P1839]When differential lock position switch is ON, rotation difference
occurs in wheel speed (rear wheel right and left).RFD-60, "Differential Lock Posi-
tion Switch"
RELAY
[P1844]Differential lock control unit detects as irregular by comparing target
value with monitor value.RFD-63, "Differential Lock Sole-
noid Relay",RFD-64, "Differen-
tial Lock Solenoid"
SOL CIRCUIT
[P1847]Malfunction is detected in differential lock control unit internal circuit.RFD-64, "Differential Lock Sole-
noid"
SOL DISCONNECT
[P1848]lDifferential lock solenoid internal circuit or harness is open.
lDifferential lock solenoid relay does not switch to ON position.RFD-64, "
Differential Lock Sole-
noid"
SOL SHORT
[P1849]Differential lock solenoid internal circuit or harness is shorted.RFD-64, "Differential Lock Sole-
noid"
SOL CURRENT
[P1850]Differential lock solenoid relay does not switch to OFF position.RFD-64, "Differential Lock Sole-
noid"
ABS SYSTEM
[C1203]Malfunction related to wheel sensor has been detected by ABS
actuator and electric unit (control unit).RFD-68, "ABS System"
CAN COMM CIRCUIT
[U1000]Malfunction has been detected from CAN communication line.RFD-69, "CAN Communication
Line"
NO DTC IS DETECTED.
FURTHER TESTING MAY
BE REQUIRED.No NG item has been detected. — Items (CONSULT-II screen
terms)Diagnostic item is detected when... Check item

TROUBLE DIAGNOSIS
RFD-53
[WITH ELECTRONIC LOCKING DIFFERENTIAL]
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DATA MONITOR MODE
Operation Procedure
1. Perform “CONSULT-II SETTING PROCEDURE”. Refer toRFD-50, "CONSULT-II SETTING PROCE-
DURE".
2. Touch “DATA MONITOR”.
3. Select from “SELECT MONITOR ITEM”, screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed at real time.
Display Item List
´: Standard –: Not applicable
Monitor item (Unit)SELECT MONITOR ITEM
Remarks
ECU INPUT
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU
BATTERY VOLT [V]´´´Power supply voltage for differential lock
control unit.
4WD MODE [2H/4H/4Lo]´´´4WD shift switch signal status via CAN
communication line is displayed.
VHCL S/SEN-R [km/h] or [mph]´–´Wheel speed calculated by rear wheel
sensor right signal is displayed.
VHCL S/SEN-L [km/h] or [mph]´–´Wheel speed calculated by rear wheel
sensor left signal is displayed.
VHCL S/SEN-RL [km/h] or [mph]´´´Average value between wheel speed cal-
culated by rear wheel sensor right signal
and rear wheel sensor left signal is dis-
played.
D-LOCK SW SIG [ON/OFF]´´´Condition of differential lock mode switch
is displayed.
D-LOCK SIG [ON/OFF]´´´Control status of differential lock is dis-
played.
RELAY ON [ON/OFF]´´´Operating condition of differential lock
solenoid relay is displayed (integrated in
differential lock control unit).
RELAY MTR [ON/OFF]´´´Control status of differential lock solenoid
relay is displayed (integrated in differential
lock control unit).
SOL MTR [ON/OFF]´´´Control status of differential lock solenoid
is displayed.
IND MTR [ON/OFF]´´´Control status of DIFF LOCK indicator
lamp is displayed.
D-LOCK POS SW [ON/OFF]´´´Condition of differential lock position switch
is displayed.
Voltage [V] – –´The value measured by the voltage probe
is displayed.
Frequency [Hz] – –´
The value measured by the pulse probe is
displayed. DUTY-HI (high) [%] – –´
DUTY-LOW (low) [%] – –´
PLS WIDTH-HI [msec] – –´
PLS WIDTH-LOW [msec] – –´

TROUBLE DIAGNOSIS FOR SYSTEM
RFD-63
[WITH ELECTRONIC LOCKING DIFFERENTIAL]
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RFD
COMPONENT INSPECTION
1. Turn ignition switch “OFF”.
2. Disconnect differential lock position switch harness connector.
3. Remove differential lock position switch. Refer toRFD-45, "
Location of Electrical Parts".
4. Pull differential lock position switch and check continuity
between differential lock position switch harness connector ter-
minals.
5. If NG, replace differential lock position switch.
Differential Lock Solenoid RelayEDS003B5
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
DIAGNOSTIC PROCEDURE
1.CHECK DIFFERENTIAL LOCK SOLENOID SYSTEM
Perform self-diagnosis. Refer toRFD-51, "
SELF-DIAG RESULTS MODE".
Is
“RELAY [P1844]”displayed?
YES >> Perform trouble diagnosis for differential lock solenoid. Refer toRFD-64, "Differential Lock Sole-
noid".
NO >> GO TO 2.
2.CHECK DIFFERENTIAL LOCK SOLENOID RELAY SIGNAL
With CONSULT-II
1. Start engine.
2. Select “DATA MONITOR” mode for “DIFF LOCK” with CONSULT-II.
3. Read out ON/OFF switching action of “RELAY ON”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
Terminal Condition Continuity
1-2Pull differential position switch Yes
Release Differential position switch No
SDIA3429E
Monitor item [Unit] Content Condition Display value
RELAY ON [ON/OFF]Operating condition of dif-
ferential lock solenoid
relay (integrated in differ-
ential lock control unit)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
Monitor item ConditionDisplay
value
RELAY ON
lVehicle stopped
lEngine running
l4WD shift
switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
SDIA2642E

RFD-64
[WITH ELECTRONIC LOCKING DIFFERENTIAL]
TROUBLE DIAGNOSIS FOR SYSTEM
3.CHECK DIFFERENTIAL LOCK CONTROL UNIT
Check differential lock control unit input/output signal. Refer toRFD-48, "
Differential Lock Control Unit Input/
Output Signal Reference Values".
OK or NG
OK >> GO TO 4.
NG >> Check differential lock control unit pin terminals for damage or loose connection with harness con-
nector. If any item is damaged, repair or replace damaged parts.
4.CHECK DTC
Perform the self-diagnosis, after driving the vehicle for a while.
OK or NG
OK >>INSPECTION END
NG >> Replace differential lock control unit. Refer toRFD-76, "
Removal and Installation".
Differential Lock SolenoidEDS003B6
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
DIFFERENTIAL LOCK CONTROL UNIT TERMINALS AND REFERENCE VALUE
Data are reference value and are measured between each terminal and ground.
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.Monitor item [Unit] Content Condition Display value
RELAY ON [ON/OFF]Operating condition of dif-
ferential lock solenoid
relay (integrated in differ-
ential lock control unit)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
RELAY MTR [ON/OFF]Control status of differen-
tial lock solenoid relay
(integrated in differential
lock control unit)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
SOL MTR [ON/OFF]Control status of differen-
tial lock solenoid
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
Te r m i n a lWire
colorItem Condition Data (Approx.)
11 GR Differential lock solenoid (-)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode switch: ON 0V
Differential lock mode switch: OFF Battery voltage
12 L Differential lock solenoid (+)
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential lock mode switch: ON 0V
Differential lock mode switch: OFF Battery voltage

TROUBLE DIAGNOSIS FOR SYSTEM
RFD-65
[WITH ELECTRONIC LOCKING DIFFERENTIAL]
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DIAGNOSTIC PROCEDURE
1.CHECK DIFFERENTIAL SOLENOID SIGNAL
With CONSULT-II
1. Start engine.
2. Select “DATA MONITOR” mode for “DIFF LOCK” with CONSULT-II.
3. Read out ON/OFF switching action of “RELAY ON”, “RELAY
MTR”, “SOL MTR”.
Without CONSULT-II
1. Start engine.
2. Check voltage between differential lock control unit harness
connector terminal and ground.
OK or NG
OK >> GO TO 6.
NG >> GO TO 2.
Monitor item ConditionDisplay
value
RELAY ON
lVehicle stopped
lEngine running
l4WD shift
switch: 4LODifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
RELAY MTRDifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
SOL MTRDifferential lock mode
switch: ONON
Differential lock mode
switch: OFFOFF
Connector Terminal ConditionData
(Approx.)
M10711 -
Ground
lVehicle stopped
lEngine running
l4WD shift switch: 4LODifferential
lock mode
switch: ON0V
Differential
lock mode
switch: OFFBattery
voltage
12 -
GroundDifferential
lock mode
switch: ON0V
Differential
lock mode
switch: OFFBattery
voltage
SDIA2539E
SDIA2565E

STARTING SYSTEM
SC-27
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STARTING SYSTEMPFP:00011
System DescriptionEKS00MZJ
A/T MODELS
Power is supplied at all times:
lto starter motor terminal 1 and
lthrough 40A fusible link (letterJ, located in the fuse and fusible link box)
lto ignition switch terminal 1.
with the ignition switch in the START position, power is supplied:
lfrom ignition switch terminal 5
lto IPDM E/R terminal 21.
With the ignition switch in the ON or START position, power is supplied to IPDM E/R CPU, and
the selector lever in the P or N position, power is supplied:
lthrough A/T assembly terminal 9
lto IPDM E/R terminal 48.
Ground is supplied at all times:
lto IPDM E/R terminals 38 and 59
lfrom body grounds E21, E41 and E61.
Then the starter relay is turned ON.
The IPDM E/R starter relay is energized and power is supplied:
lfrom terminal 19 of IPDM E/R
lto terminal 2 of the starter motor.
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The
starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
M/T MODELS
Power is supplied at all times:
lto starter motor terminal 1 and
lthrough 40A fusible link (letterJ, located in the fuse and fusible link box)
lto ignition switch terminal 1.
with the ignition switch in the START position, power is supplied:
lfrom ignition switch terminal 5
lto IPDM E/R terminal 21.
With the start signal is input to IPDM E/R CPU, power is supplied:
lthrough IPDM E/R terminal 14
lto IPDM E/R terminal 48.
Ground is supplied at all times:
lto IPDM E/R terminals 38 and 59
lfrom body grounds E21, E41 and E61.
Then the starter relay is turned ON.
The IPDM E/R starter relay is energized and power is supplied:
lfrom terminal 19 of IPDM E/R
lto terminal 2 of the starter motor.
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The
starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.

TF-1
TRANSFER
D DRIVELINE/AXLE
CONTENTS
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SECTIONTF
A
B
TF
TRANSFER
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS)“AIRBAG”and“SEATBELTPRE-TEN-
SIONER” .................................................................. 4
Precautions for Transfer Assembly and Transfer
Control Unit Replacement ........................................ 4
CHECK 4WD SHIFT INDICATOR PATTERN ....... 4
METHOD FOR ADJUSTMENT WITH 4WD
SHIFT SWITCH AT “2WD” .................................... 5
METHOD FOR ADJUSTMENT WITH 4WD
SHIFT SWITCH AT “4H” OR “4LO” ....................... 5
Precautions .............................................................. 6
Service Notice .......................................................... 6
Wiring Diagrams and Trouble Diagnosis .................. 7
PREPARATION ........................................................... 8
Special Service Tools ............................................... 8
Commercial Service Tools ...................................... 10
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ...............................................11
NVH Troubleshooting Chart .................................... 11
TRANSFER FLUID ................................................... 12
Replacement .......................................................... 12
DRAINING ........................................................... 12
FILLING ............................................................... 12
Inspection ............................................................... 12
FLUID LEAKAGE AND FLUID LEVEL ................ 12
4WD SYSTEM .......................................................... 13
Cross-Section View ................................................ 13
Power Transfer ....................................................... 14
POWER TRANSFER DIAGRAM ........................ 14
POWER TRANSFER FLOW ............................... 15
System Description ................................................ 15
TRANSFER CONTROL DEVICE ........................ 15
WAIT DETECTION SWITCH .............................. 15
4LO SWITCH ...................................................... 15
ATP SWITCH ...................................................... 15
TRANSFER CONTROL UNIT ............................. 15
TRANSFER SHIFT RELAY ................................. 15
TRANSFER SHUT OFF RELAY ......................... 15
4WD SHIFT SWITCH AND INDICATOR LAMP... 164WD WARNING LAMP ....................................... 17
ATP WARNING LAMP (A/T MODELS) ................ 17
System Diagram ..................................................... 18
COMPONENTS FUNCTION ............................... 18
CAN Communication .............................................. 19
SYSTEM DESCRIPTION .................................... 19
TROUBLE DIAGNOSIS ............................................ 20
How to Perform Trouble Diagnosis ......................... 20
BASIC CONCEPT ............................................... 20
Location of Electrical Parts ..................................... 21
A/T MODELS ....................................................... 21
M/T MODELS ...................................................... 22
Circuit Diagram ....................................................... 23
A/T MODELS ....................................................... 23
M/T MODELS ...................................................... 24
Wiring Diagram — T/F — ....................................... 25
A/T MODELS ....................................................... 25
M/T MODELS ...................................................... 31
Trouble Diagnosis Chart for Symptoms .................. 38
Transfer Control Unit Input/Output Signal Refer-
ence Values ............................................................ 38
TRANSFER CONTROL UNIT INSPECTION
TABLE ................................................................. 38
CONSULT-II Function (ALL MODE AWD/4WD) ..... 44
FUNCTION .......................................................... 44
CONSULT-II SETTING PROCEDURE ................ 44
SELF-DIAG RESULT MODE ............................... 45
DATA MONITOR MODE ...................................... 47
Self-Diagnostic Procedure ...................................... 49
SELF-DIAGNOSTIC PROCEDURE (WITH
CONSULT-II) ....................................................... 49
SELF-DIAGNOSTIC PROCEDURE (WITHOUT
CONSULT-II) ....................................................... 49
ERASE SELF-DIAGNOSIS ................................. 51
TROUBLE DIAGNOSIS FOR SYSTEM .................... 52
Power Supply Circuit For Transfer Control Unit ...... 52
CONSULT-II REFERENCE VALUE IN DATA
MONITOR MODE ................................................ 52
TRANSFER CONTROL UNIT TERMINALS AND
REFERENCE VALUE .......................................... 52