NISSAN X-TRAIL 2003 Electronic Repair Manual

FAN CONTROL AMPLIFIER
ATC-113
C
D
E
F
G
H
I
K
L
MA
B
AT C
FAN CONTROL AMPLIFIERPFP:27761
Removal and InstallationEJS000VZ
1. Remove the blower unit. Refer toATC-109, "Removal and
Installation"
2. Remove the fan control amp.
RJIA0572E

ATC-114
VENTILATION AIR FILTER
VENTILATION AIR FILTER
PFP:27277
Removal and InstallationEJS000UP
FunctionEJS000UQ
Air inside passenger compartment is kept clean at either recircula-
tion or fresh mode by installing ventilation air filter into blower unit.
Replacement TimingEJ S00 0UR
Replace ventilation air filter.
Refer toMA-35, "
CHASSIS AND BODY MAINTENANCE"in
SCHEDULE 1 andMA-35, "
CHASSIS AND BODY MAINTE-
NANCE"in SCHEDULE 2.
Caution label is fixed inside the glove box.
Replacement ProceduresEJS000US
1. Remove the glove box.
2. Remove the ventilation air filter cover.
3. Take out the ventilation air filter from blower unit.
4. Replace with new one and reinstall on blower unit.
5. Reinstall the glove box.
RHA680H
SHA868E
RJIA0058E

HEATER & COOLING UNIT ASSEMBLY
ATC-115
C
D
E
F
G
H
I
K
L
MA
B
AT C
HEATER & COOLING UNIT ASSEMBLYPFP:27110
Removal and InstallationEJS000UT
REMOVAL
1. Discharge refrigerant from A/C system.
2. Drain coolant from cooling system. Refer toCO-9, "
Changing
Engine Coolant"QR engine;CO-30, "Changing Engine Coolant"
YD engine.
3. Disconnect two heater hoses from heater core pipe.
4. Remove the instrument panel.
5. Remove the blower unit.
6. Remove clips of vehicle harness from steering member.
7. Remove the instrument stay.
RJIA0060E
RJIA0061E
RJIA0062E

ATC-116
HEATER & COOLING UNIT ASSEMBLY
8. Remove the bolts from heater & cooling unit.
9. Remove the steering member.
10. Remove the heater & cooling unit.
INSTALLATION
1. Installation is basically the reverse order of removal.
NOTE:
When filling radiator with coolant, refer toCO-9, "
Changing Engine Coolant"QR engine;CO-30, "ENGINE
COOLANT"TR engine.
Disassembly and AssemblyEJ S00 0UU
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
RJIA0063E
1 Cooler grommet 2 Screw 3 Heater pipe support
4 Screw 5 Expansion valve cover 6 Bolt
7 Expansion valve 8 Insuator 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
RJIA0064J

HEATER & COOLING UNIT ASSEMBLY
ATC-117
C
D
E
F
G
H
I
K
L
MA
B
AT C
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 side) 27 Heater core
28 Heater core cover 29 Foot duct (left side) 30 Intake sensor bracket
31 Intake sensor 32 Screw 33 Aspirator
34 Screw 35 Heater & cooling unit case (right side) 36 Defroster door
37 Ventilator door 38 Max cool door 39 Heater & cooling unit case (left side)

ATC-118
MODE DOOR MOTOR
MODE DOOR MOTOR
PFP:27731
Removal and InstallationEJS001F4
1. Disconnect the mode door motor connector.
2. Remove the mode door motor.
RJIA0065E
RJIA0574E

AIR MIX DOOR MOTOR
ATC-119
C
D
E
F
G
H
I
K
L
MA
B
AT C
AIR MIX DOOR MOTORPFP:27732
Removal and InstallationEJS001F5
1. Disconnect the air mix door motor connector.
2. Remove the air mix door motor.
RJIA0066E
RJIA0575E

ATC-120
HEATER CORE
HEATER CORE
PFP:27140
Removal and InstallationEJS000W0
1. Remove the heater & cooling unit. Refer to .AT C - 11 5 , "HEATER
&COOLING UNIT ASSEMBLY"
2. Remove the heater pipe support.
3. Remove the foot duct and heater core cover.
4. Remove the heater core from the heater & cooling unit.
RJIA0069E

DUCTS AND GRILLES
ATC-121
C
D
E
F
G
H
I
K
L
MA
B
AT C
DUCTS AND GRILLESPFP:27860
Removal and InstallationEJS000UX
Ventilator Duct, Defroster Nozzle and Defroster DuctsEJS000UY
Center Ventilator GrilleEJS000UZ
Remove the cluster lid C. Refer toIP-5, "Removal and Installation"in the Instrument Panel assembly.
Side Ventilator GrilleEJS000V0
1. Remove the instrument panel.
2. Remove the side ventilator grille.
RJIA0067E
RJIA0068E

ATC-122
DUCTS AND GRILLES
Foot Duct
EJS000V5
1. Remove the heater & cooling unit. Refer toATC-115, "HEATER
&COOLING UNIT ASSEMBLY".
2. Remove the foot duct.
Floor ductEJS000V6
1. Remove the front seats.
2. Remove the instrument lower center panel.
3. Remove the front floor duct.
4. Peel back the floor trim to a point where the floor duct is visible.
5. Remove the mounting screw and clip from the rear floor duct.
6. Remove the rear floor duct.
RJIA0069E
RJIA0070E
RJIA0071E