NISSAN X-TRAIL 2003 Service Repair Manual

BLOWER UNIT
ATC-125
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AT C

BLOWER UNITPFP:27200
Removal and InstallationEJS000UL
REMOVAL
1. Remove glove box assembly.
2. Remove glove box cover, instrument passenger lower panel and
instrument reinforcement. Refer to IP-11, "
Removal and Installa-
tion" .
3. Remove ECM with ECM bracket attached.
4. Remove instrument panel mounting screw.
5. Remove blower unit mounting bolt and screws.
6. Disconnect blower motor connector and fan control amp. con-
nector.
7. Disconnect intake door motor connector and harness clip.
8. Remove blower unit.
CAUTION:
Slide the blower unit toward the right, remove location pins
(2 pieces), and then move it downward.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Make sure location pins (2 pieces) are securely installed.
RJIA0052E
RJIA0098E

ATC-126
BLOWER UNIT

Disassembly and AssemblyEJS000UM
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
CAUTION:
If retaining tabs are damaged while disassembling blower unit,
use 9 screws (27111-2Y000) to assemble blower unit.
1. Fan control amplifier 2. Screw 3. Cooling hose
4. Blower motor assembly 5. Washer 6. Blower fan
7. Nut 8. Screw 9. Bell mouth
10. Intake door lever 2 11. Intake door lever 1 12. Intake door link
13. Intake door motor 14. Screw 15. Upper case 2
16. Intake door 2 17. Intake door 1 18. Upper case 1
19. Screw 20. Ventilation air filter 21. Filter cover
RJIA0053J
RJIA0097E

BLOWER MOTOR
ATC-127
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MA
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AT C

BLOWER MOTORPFP:27226
Removal and InstallationEJS004GH
REMOVAL
1. Remove blower unit. Refer to ATC-125, "BLOWER UNIT" .
2. Separate blower unit.
3. Remove cooling hose, fan control amp. and blower fan.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
If retaining tabs are damaged while disassembling blower unit,
use 9 screws (27111-2Y000) to assemble blower unit.
RJIA0054E
RJIA0055E
RJIA0097E

ATC-128
INTAKE DOOR MOTOR

INTAKE DOOR MOTORPFP:27730
Removal and InstallationEJS004GL
REMOVAL
1. Remove blower unit. Refer to ATC-125, "BLOWER UNIT" .
2. Remove mounting screws, and then intake door motor from
blower unit.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA0056E
RJIA0571E

FAN CONTROL AMPLIFIER
ATC-129
C
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MA
B
AT C

FAN CONTROL AMPLIFIERPFP:27761
Removal and InstallationEJS004GE
REMOVAL
1. Remove blower unit. Refer to ATC-125, "BLOWER UNIT" .
2. Remove mounting screws, and then remove fan control amp.
INSTALLATION
Installation is basically the reverse order of removal.
RJIA0572E

ATC-130
VENTILATION AIR FILTER

VENTILATION AIR FILTER PFP:27277
Removal and InstallationEJS000UP
FUNCTION
Air inside passenger compartment is kept clean at either recircula-
tion or fresh mode by installing ventilation air filter into blower unit.
REPLACEMENT TIMING
Refer to MA-7, "Periodic Maintenance" .
REPLACEMENT PROCEDURES
1. Remove glove box.
2. Remove filter cover.
3. Take out ventilation air filter from blower unit.
4. Replace with new one and reinstall on blower unit.
5. Reinstall the glove box.
RHA680H
RJIA0058E

HEATER & COOLING UNIT ASSEMBLY
ATC-131
C
D
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F
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H
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MA
B
AT C

HEATER & COOLING UNIT ASSEMBLYPFP:27110
Removal and InstallationEJS000UT
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge refrigerant.
2. Drain coolant from cooling system. Refer to CO-9, "
Changing Engine Coolant" for QR engine or CO-31,
"Changing Engine Coolant" for YD engine.
3. Disconnect two heater hoses from heater core pipe.
4. Remove mounting bolt from low-pressure flexible hose.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
5. Remove the blower unit. Refer to ATC-125, "
BLOWER UNIT" .
6. Remove clips of vehicle harness from steering member.
7. Remove mounting nuts, and then remove instrument stay.
8. Remove mounting bolts from heater & cooling unit.
RJIA0060E
RJIA0061E
RJIA2444E

ATC-132
HEATER & COOLING UNIT ASSEMBLY

9. Remove steering member.
10. Remove heater & cooling unit.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace the O-ring of the low-pressure flexible hose and the high-pressure pipe with a new one,
and then apply compressor oil to it when installing it.

When recharging refrigerant, check for leaks.
NOTE:
When filling radiator with coolant, refer to CO-9, "
Changing Engine Coolant" for QR engine or CO-31, "Chang-
ing Engine Coolant" for YD engine.
Disassembly and AssemblyEJS000UU
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
RJIA2404E

HEATER & COOLING UNIT ASSEMBLY
ATC-133
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AT C

1. Cooler grommet 2. Screw 3. Heater pipe support
4. Screw 5. Expansion valve cover 6. Bolt
7. Expansion valve 8. Insulator 9. Evaporator
10. Slide door unit (Air mix door) 11. Evaporator cover 12. Screw
13. Screw 14. Air mix door motor 15. mode door motor
16. Screw 17. Ventilator door link 1 18. Ventilator door link 2
19. Ventilator door lever 20. Rod 21. Rod holder
22. Main link 23. Max. cool door lever 24. Defroster door lever
25. Screw 26. Foot duct (right) 27. Heater core
28. Heater core cover 29. Foot duct (left) 30. Intake sensor bracket
31. Intake sensor 32. Screw 33. Aspirator
34. Screw 35. Heater & cooling unit case (right) 36. Defroster door
37. Ventilator door 38. Max. cool door 39. Heater & cooling unit case (left)
RJIA0064J

ATC-134
MODE DOOR MOTOR

MODE DOOR MOTORPFP:27731
Removal and InstallationEJS004GN
REMOVAL
1. Remove rod from rod holder.
2. Remove mounting screws, and then remove mode door motor.
3. Disconnect mode door motor connector.
INSTALLATION
1. Install rod to mode door.
2. Reconnect mode door motor connector.
3. Install mode door motor.
4. Turn ignition switch ON.
5. Turn mode control dial to VENT position.
6. Turn side link clockwise, and then install rod to rod holder.
RJIA0065E
RJIA0574E