engine control NISSAN NAVARA 2005 Repair Workshop Manual

TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-93
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2.CHECK TRANSFER CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connectors.
3. Check continuity between transfer control unit harness connec-
tor M105 terminals 6, 18, M106 terminal 32 and ground.
Also check harness for short to power.
OK or NG
OK >> GO TO 3.
NG >>
lRepair open circuit or short to power in harness or
connectors.
lHarness for short or open between transfer shut off
relay harness connector E85 terminal 2 and transfer
control unit harness connector M106 terminal 40.
3.CHECK COMBINATION METER POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect combination meter harness connector.
3. Check voltage between combination meter harness connector
terminals and ground.
4. Turn ignition switch “ON”. (Do not start engine.)
5. Check voltage between combination meter harness connector
terminals and ground.
OK or NG
OK >> GO TO 4.
NG >> Check the following. If any items are damaged, repair or
replace damaged parts.
l10A fuse [No. 14, located in the fuse block (J/B)] or
ignition switch.
lHarness for short or open between ignition switch and combination meter harness connector
M23 terminal 16. Continuity should exist.
SDIA3362E
Connector Terminal Voltage (Approx.)
M23 16 - Ground 0V
WDIA0178E
Connector Terminal Voltage (Approx.)
M23 16 - Ground Battery voltage
WDIA0179E

TF-94
TROUBLE DIAGNOSIS FOR SYMPTOMS
4.CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND COMBINATION METER
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Check continuity between transfer control unit harness connec-
tor M106 terminal 38 and combination meter harness connector
M23 terminal 26.
Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5.CHECK INDICATOR LAMP CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Connect combination meter harness connector.
3. Disconnect transfer control unit harness connector.
4. Turn ignition switch “ON”. (Do not start engine.)
5. Ground the following terminals using suitable wiring.
–Transfer control unit harness connector M106 terminal 38 and
ground.
Do indicator lamps turn on?
OK >> GO TO 6.
NG >> Replace combination meter. Refer toDI-27, "
Removal
and Installation of Combination Meter".
6.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
7.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer toTF-38, "
Transfer Control Unit Input/Output Signal Ref-
erence Values".
OK or NG
OK >>INSPECTION END
NG >> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
4WD Shift Indicator Lamp or 4LO Indicator Lamp Does Not ChangeEDS0032F
SYMPTOM:
4WD shift indicator lamp or 4LO indicator lamp does not change when switching 4WD shift switch.Continuity should exist.
SDIA3403E
SDIA3452E

TROUBLE DIAGNOSIS FOR SYMPTOMS
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5.CHECK ATP WARNING LAMP CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect ATP switch harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Ground the following terminal using suitable wiring.
–ATP switch harness connector F55 terminal 8 and ground.
Does ATP warning lamp turn on?
OK >> GO TO 8.
NG >> GO TO 6.
6.CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND COMBINATION METER
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and combination meter harness connector.
3. Check continuity between transfer control unit harness connec-
tor M106 terminal 39 and combination meter harness connector
M23 terminal 21.
Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 7.
NG >> Repair or replace damaged parts.
7.CHECK HARNESS BETWEEN COMBINATION METER AND ATP SWITCH
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect ATP switch harness connector.
3. Check continuity between combination meter harness connector
M23 terminal 1 and ATP switch harness connector F41 terminal
8.
Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair or replace damaged parts.
8.CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> GO TO 9.
SDIA2832E
Continuity should exist.
SDIA2825E
Continuity should exist.
SDIA2833E

TF-112
TRANSFER ASSEMBLY
INSTALLATION
Note the following, and install in the reverse order of removal.
lTighten the bolts to specification.
lAfter the installation, check the transfer fluid level and fluid leak-
age. Refer toTF-12, "
FLUID LEAKAGE AND FLUID LEVEL".
lAfter filling, start the engine for one minute. Then stop the
engine and recheck the transfer fluid.
lAfter the installation, check the 4WD shift indicator pattern. If
NG, adjust the position between the transfer assembly and
transfer control unit. Refer toTF-4, "
Precautions for Transfer
Assembly and Transfer Control Unit Replacement".
Disassembly and AssemblyEDS0032P
COMPONENTS
Bolt length : 45 mm (1.77 in)
Tightening torque : 36 N·m (3.7kg-m, 27 ft-lb)
SDIA3181E
1. Baffle plate 2. Breather tube 3. Front case
4. Snap ring 5. Input oil seal 6. Self-lock nut
7. Companion flange 8. Front oil seal 9. 4LO switch (gray with green paint)
10. ATP switch (black) 11. Rear case 12. Wait detection switch (gray)
13. Gasket 14. Filler plug 15. Check ball
16. Check spring 17. Check plug 18. Drain plug
19. O-ring 20. Transfer control device 21. Harness bracket
SDIA3419E

WW-4
FRONT WIPER AND WASHER SYSTEM
FRONT WIPER AND WASHER SYSTEM
PFP:28810
Components Parts and Harness Connector LocationEKS00P4U
System DescriptionEKS00P4V
lAll front wiper relays (MAIN, LOW/HIGH) are located in IPDM E/R (intelligent power distribution module
engine room).
lWiper switch (combination switch) is composed of a combination of 5 output terminals and 5 input termi-
nals. Terminal combination status is read by BCM (body control module) when the wiper switch is turned
ON.
lBCM controls front wiper LO, HI, and INT (intermittent) operation.
lIPDM E/R operates the wiper motor according to CAN communication signals from the BCM.
Power is supplied at all times
lto ignition relay (located in IPDM E/R), from battery directly,
lthrough 50A fusible link (letter G, located in fuse and fusible link box)
lto BCM terminal 57,
lthrough 30A fuse (No. 39, located in IPDM E/R)
lto front wiper main relay (located in IPDM E/R).
SKIB6805E

HEADLAMP WASHER
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HEADLAMP WASHERPFP:28620
Components Parts and Harness Connector LocationEKS00P67
System DescriptionEKS00P68
Headlamp washer operates under the following conditions.
lWhen lighting switch is in 1ST position
lWhen daytime light system is operating
lWhen auto light system is operating (LOW beam is ON)
When the headlamp washer switch is ON position the BCM (body control module) receives input signal
requesting the headlamp washer operates. The CPU (central processing unit) of the IPDM E/R (intelligent
power distribution module engine room) controls the headlamp washer relay coil. When activated this relay
directs power headlamp washer motor.
SKIB6860E