lock NISSAN NAVARA 2005 Repair Workshop Manual

TROUBLE DIAGNOSIS
MTC-53
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MTC
Operational CheckEJS005GB
The purpose of the operational check is to confirm that the system operates properly.
CHECKING BLOWER
1. Turn blower control switch clockwise. Blower should operate on
low speed. The blower symbol should have one blade lit (on dis-
play).
2. Turn the blower control switch again, and continue checking
blower speed and blower symbol until all speeds are checked.
3. Leave blower on MAX speed.
If NG, go to trouble diagnosis procedure for
If OK, continue with next check.
CHECKING DISCHARGE AIR
1. Turn the mode switch.
2. Each position indicator should change shape (on display, if
equipped).
3. Confirm that discharge air comes out according to the air distri-
bution table.
Mode door position is checked in the next step.
If NG, go to trouble diagnosis procedure forMTC-58, "
Mode Door
Motor Circuit".
If OK, continue with next check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual
inspection) and intake door position is at fresh when the DEF or D/F
is selected.
CHECKING RECIRCULATION
1. Press recirculation ( ) switch one time. Recirculation indica-
tor should illuminate.
2. Press recirculation ( ) switch one more time. Recirculation
indicator should go off.
3. Listen for intake door position change (blower sound should
change slightly).
If NG, go to trouble diagnosis procedure forMTC-68, "
Intake Door
Motor Circuit".
If OK, continue with next check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual
inspection) and intake door position is at fresh when the DEF or D/F is selected.Conditions : Engine running and at normal operating temperature
MJIB0223E
MJIB0224E
MJIB0284E
MJIB0225E

MTC-54
TROUBLE DIAGNOSIS
CHECKING TEMPERATURE DECREASE
1. Rotate temperature dial counterclockwise.
2. Check for cold air at appropriate discharge air outlets.
If NG, listen for sound of air mix door motor operation if OK, go to
trouble diagnosis procedure forMTC-86, "
Insufficient Cooling".Ifair
mix door motor appears to be malfunctioning, go toMTC-63, "
Air Mix
Door Motor Circuit".
If OK, continue with next check.
CHECKING TEMPERATURE INCREASE
1. Rotate temperature dial clockwise.
2. Check for hot air at appropriate discharge air outlets.
If NG, listen for sound of air mix door motor operation. If OK, go to
trouble diagnosis procedure forMTC-93, "
Insufficient Heating".Ifair
mix door motor appears to be malfunctioning, go toMTC-63, "
Air Mix
Door Motor Circuit".
If OK, continue with next check.
CHECK A/C SWITCH
1. Press A/C switch with the blower switch ON.
2. A/C switch indicator will turn ON.
lConfirm that the compressor clutch engages (sound or visual
inspection).
If NG, go to trouble diagnosis procedure forMTC-79, "
Magnet Clutch
Circuit".
If OK, continue with next check.
MJIB0226E
MJIB0227E
MJIB0228E

TROUBLE DIAGNOSIS
MTC-57
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MTC
1.CHECK POWER SUPPLY CIRCUITS FOR FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Disconnect front air control connector.
3. Check voltage between front air control harness connector M98
terminals 6 and 19, and ground.
OK or NG
OK >> GO TO 2.
NG >> Check 10A fuses [Nos. 8 and 19, located in the fuse block (J/B)]. Refer toPG-83
.
lIf fuses are OK, check harness for open circuit. Repair or replace as necessary.
lIf fuses are NG, replace fuse and check harness for short circuit. Repair or replace as neces-
sary.
2.CHECK GROUND CIRCUIT FOR FRONT AIR CONTROL
1. Turn ignition switch OFF.
2. Check continuity between front air control harness connector
M98 terminal 20 and ground.
OK or NG
OK >> Replace front air control. Refer toMTC-98, "CONTROL
UNIT".
NG >> Repair harness or connector.
Terminals Ignition switch position
(+)
(-) OFF ACC ON Front air
control
connectorTerminal No.
M98 6
GroundApprox. 0V Approx. 0VBattery
voltage
M98 19Battery
voltageBattery
voltageBattery
voltage
WJIA1082E
20 - Ground : Continuity should exist.
WJIA1239E

MTC-92
TROUBLE DIAGNOSIS
Low-pressure Side Sometimes Becomes Negative
Low-pressure Side Becomes Negative
Gauge indication Refrigerant cycle Probable cause Corrective action
Low-pressure side sometimes
becomes negative.
lAir conditioning system
does not function and does
not cyclically cool the com-
partment air.
lThe system constantly func-
tions for a certain period of
time after compressor is
stopped and restarted.Refrigerant does not dis-
charge cyclically.
¯
Moisture is frozen at expan-
sion valve outlet and inlet.
¯
Water is mixed with refriger-
ant.
lDrain water from refrigerant
or replace refrigerant.
lReplace liquid tank.
AC354A
Gauge indication Refrigerant cycle Probable cause Corrective action
Low-pressure side becomes nega-
tive.
Liquid tank or front/rear side of
expansion valve¢spipeis
frosted or dewed.High-pressure side is closed
and refrigerant does not flow.
¯
Expansion valve or liquid tank
is frosted.Leave the system at rest until
no frost is present. Start it
again to check whether or not
the malfunction is caused by
waterorforeignparticles.
lIf water is the cause, initially
cooling is okay. Then the
water freezes causing a
blockage. Drain water from
refrigerant or replace refrig-
erant.
lIf due to foreign particles,
remove expansion valve
and remove the particles
with dry and compressed air
(not shop air).
lIf either of the above meth-
ods cannot correct the mal-
function, replace expansion
valve.
lReplace liquid tank.
lCheck lubricant for contami-
nation.
AC362A

HEATER & COOLING UNIT ASSEMBLY
MTC-105
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MTC
Removal and InstallationEJS005GY
REMOVAL
1. Discharge the refrigerant from the A/C system. Refer toMTC-118, "Discharging Refrigerant".
2. Drain the coolant from the engine cooling system. Refer toCO-8, "
DRAINING ENGINE COOLANT".
3. Remove the cowl top extension. Refer toEI-20, "
Removal and Installation".
4. Remove the exhaust system. Refer toEX-3, "
Removal and Installation".
5. Disconnect the heater hoses from the heater core.
6. Disconnect the high/low pressure pipes from the expansion valve.
7. Move the two front seats to the rearmost position on the seat track.
8. Remove the instrument panel and console panel. Refer toIP-10, "
Removal and Installation".
9. Remove the steering column. Refer toPS-11, "
Removal and Installation".
10. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse
block (J/B) electrical connectors. Refer toPG-38, "
Harness Layout".
11. Disconnect the steering member from each side of the vehicle body.
12. Remove the heater and cooling unit assembly with it attached to the steering member, from the vehicle.
CAUTION:
Use care not to damage the seats and interior trim panels when removing the heater and cooling
unit assembly with it attached to the steering member.
13. Remove the heater and cooling unit assembly from the steering member.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
lReplace the O-ring of the low-pressure pipe and high-pressure pipe with a new one, and apply
compressor oil to it when installing it.
lAfter charging the refrigerant, check for leaks.
NOTE:
lFill the engine cooling system with the specified coolant mixture. Refer toCO-8, "REFILLING ENGINE
COOLANT".
lRecharge the A/C system. Refer toMTC-118, "Evacuating System and Charging Refrigerant".

DUCTS AND GRILLES
MTC-117
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MTC
NOTE:
To remove the overhead console front and rear grilles, turn the grille counter-clockwise to release the
grille from the overhead console trim panel.
Installation
Installation is in the reverse order of removal.

MTC-122
REFRIGERANT LINES
Removal and Installation for Compressor
EJS005HC
A/C Compressor Mounting
REMOVAL
1. Discharge the refrigerant. Refer toMTC-118, "HFC-134a (R-134a) Service Procedure".
2. Remove the front right wheel and tire assembly. Refer toWT-5, "
Rotation".
3. Remove the engine under cover and the splash shield using power tool.
4. Remove the engine air cleaner and air ducts. Refer toEM-15, "
AIR CLEANER AND AIR DUCT".
5. Remove the drive belt. Refer toEM-12, "
DRIVE BELTS".
6. Disconnect the compressor electrical connector.
7. Disconnect the high-pressure flexible hose and low-pressure flexible hose from the compressor.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
8. Remove the compressor bolts and nut using power tools.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
lReplace the O-ring of the low-pressure flexible hose and high-pressure flexible hose with a new
one, apply compressor oil to the O-rings before installation.
lAfter recharging the A/C system with refrigerant, check for leaks.
MJIB0179E
1. Compressor 2. Alternator and A/C compressor
bracket3. Timing chain case
4. Cylinder block

SERVICE DATA AND SPECIFICATIONS (SDS)
MTC-135
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SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Service Data and Specifications (SDS)EJS005HS
COMPRESSOR
LUBRICANT
REFRIGERANT
ENGINE IDLING SPEED
Refer toEC-357, "General Specifications".
BELT TENSION
Refer toEM-13, "Deflection Adjustment".
MakeZEXEL VALEO CLIMATE CONTROL
ModelDKS-17D
Ty p eSwash plate
Displacement
175.5 cm
3(10.7 in3)/rev
Cylinder bore´stroke 30.5 mm (1.20 in) x 24.0 mm (0.94 in)
Direction of rotation Clockwise (viewed from drive end)
Drive belt Poly V
MakeZEXEL VALEO CLIMATE CONTROL
ModelDKS-17D
NameNISSAN A/C System Lubricant Type S (DH-PS)
Part number KLH00-PAGS0
Capacity Total in system
290m (10.2lmpfloz)
Ty p eHFC-134a (R-134a)
Capacity 1080±50g(38.09±1.76 oz)

PG-2
REAR DOOR LH HARNESS/KING CAB MOD-
ELS ...................................................................... 66
REAR DOOR RH HARNESS/KING CAB MOD-
ELS ...................................................................... 66
TAIL HARNESS ................................................... 67
Wiring Diagram Codes (Cell Codes) ....................... 68
ELECTRICAL UNITS LOCATION ............................. 71
Electrical Units Location ......................................... 71
ENGINE COMPARTMENT .................................. 71
PASSENGER COMPARTMENT .......................... 72
Fuse ........................................................................ 74
Fusible Link ............................................................ 74
Circuit Breaker (Built Into BCM) ............................. 74
HARNESS CONNECTOR ......................................... 75
Description .............................................................. 75
HARNESS CONNECTOR (TAB-LOCKING
TYPE) .................................................................. 75
HARNESS CONNECTOR (SLIDE-LOCKINGTYPE) .................................................................. 76
HARNESS CONNECTOR (DIRECT-CONNECT
SRS COMPONENT TYPE) .................................. 77
ELECTRICAL UNITS ................................................ 78
Terminal Arrangement ............................................. 78
STANDARDIZED RELAY .......................................... 79
Description .............................................................. 79
NORMAL OPEN, NORMAL CLOSED AND
MIXED TYPE RELAYS ........................................ 79
TYPE OF STANDARDIZED RELAYS .................. 79
SUPER MULTIPLE JUNCTION (SMJ) ...................... 81
Terminal Arrangement ............................................. 81
FUSE BLOCK - JUNCTION BOX (J/B) .................... 83
Terminal Arrangement ............................................. 83
FUSE AND FUSIBLE LINK BOX .............................. 84
Terminal Arrangement ............................................. 84
FUSE AND RELAY BOX ........................................... 85
Terminal Arrangement ............................................. 85

PG-14
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PFP:284B7
System DescriptionEKS00PA8
lIPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block
which were originally placed in engine compartment. It controls integrated relays via IPDM E/R control cir-
cuits.
lIPDM E/R-integrated control circuits perform ON-OFF operation of relays, CAN communication control,
etc.
lIt controls operation of each electrical component via ECM, BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R integrated relays can be removed.
SYSTEMS CONTROLLED BY IPDM E/R
IPDM E/R receives a request signal from each Control unit with CAN communication. It controls each system.
CAN COMMUNICATION LINE CONTROL
With CAN communication, by connecting each control unit using two communication lines (CAN L-line, CAN
H-line), it is possible to transmit a maximum amount of information with minimum wiring. Each control unit can
transmit and receive data, and reads necessary information only.
1. Fail-safe control
lWhen CAN communication with other control units is impossible, IPDM E/R performs fail-safe control.
After CAN communication returns to normal operation, it also returns to normal control.
lOperation of control parts by IPDM E/R during fail-safe mode is as follows:
Control system Transmit control unit Control part
Lamp control BCM
lHead lamps (HI, LO)
lTail lamps, parking and license plate lamps
lFront fog lamps
Wiper control BCM Front wipers
Rear window defogger control BCM Rear window defogger
A/C compressor control ECM A/C compressor
Starter control TCM Starter motor
Cooling fan control ECM Cooling fan
Controlled system Fail-safe mode
Headlamps
lWith the ignition switch ON, the headlamp low is ON.
lWith the ignition switch OFF, the headlamp low is OFF.
Tail, parking and license plate lamps
lWith the ignition switch ON, the tail lamp is ON.
lWith the ignition switch OFF, the tail lamp is OFF.
Cooling fan
lWith the ignition switch ON, the cooling fan HI operates.
lWith the ignition switch OFF, the cooling fan stops.
Front wipersUntil the ignition switch is turned off, the front wiper LO and HI remains in the same status it
was in just before fail-safe control was initiated.
Rear window defogger Rear window defogger OFF
A/C compressor A/C compressor OFF
Front fog lamps Front fog lamp OFF