NISSAN ALMERA N16 2003 Electronic Repair Manual

INTAKE DOOR MOTOR
ATC-121
C
D
E
F
G
H
I
K
L
MA
B
AT C
INTAKE DOOR MOTORPFP:27730
Removal and InstallationEJS00209
1. Remove the blower unit. Refer to AT C - 11 9 , "Removal and Instal-
lation"
2. Remove the intake door motor from the blower unit.
RJIA0822E
RJIA1721E

ATC-122
HEATER & COOLING UNIT ASSEMBLY
HEATER & COOLING UNIT ASSEMBLY
PFP:27110
Removal and InstallationEJS0020A
REMOVAL
1. Use the refrigerant collecting equipment (For HFC-134a) to dis-
charge the refrigerant from A/C system.
2. Drain coolant from cooling system. Refer to LC-17, "Changing
Engine Coolant" for QG engine, LC-43, "Changing Engine Cool-
ant" for YD engine.
3. Disconnect two heater hoses from heater core pipe.
4. Disconnect the low-pressure flexible hose and high-pressure
pipe from the evaporator.
CAUTION:
Cap or wrap the joint of the low-pressure flexible hose and the
high-pressure pipe with a suitable tool such as a vinyl tape to
avoid the entry of air.
5. Remove the instrument panel assembly.
6. Remove the blower unit.
7. Remove clips of vehicle harness from steering member.
8. Remove the instrument stay.
RJIA1734E
RJIA1722E
RJIA1723E

HEATER & COOLING UNIT ASSEMBLY
ATC-123
C
D
E
F
G
H
I
K
L
MA
B
AT C
9. Remove the fixing bolts from heater & cooling unit.
10. Remove the steering member.
11. Remove the heater & cooling unit.
INSTALLATION
1. Installation is basically the reverse order of removal.
NOTE:
When filling radiator with coolant, refer to LC-17, "Changing Engine Coolant" for QG engine, LC-43, "Chang-
ing Engine Coolant" for YD engine.
Disassembly and AssemblyEJS0020B
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
RJIA1724E
1. Screw 2. Foot duct (left) 3. Heater & cooling unit case (left)
4. Ventilator door 5. Defroster door 6. Air mix door
7. Sensor bracket 8. Intake sensor 9. Screw
10. Aspirator 11. Aspirator duct 12. Heater & cooling unit case (right)
13. Foot duct (right) 14. Mode door lever 2 15. Screw
RJIA0825E

ATC-124
HEATER & COOLING UNIT ASSEMBLY
16. Mode door link 2 17. Screw 18. Mode door lever 1
19. Fan control amp. 20. Screw 21. Mode door motor
22. Screw 23. Screw 24. Air mix door motor
25. Screw 26. Actuator bracket 27. Screw
28. Mode door link 29. Air mix door lever 30. Screw
31. Heater core 32. Evaporator 33. Expansion valve
34. Bolt 35. Cooler grommet 36. Instrument bracket
37. Drain hose 38. Lower case 39. Screw

MODE DOOR MOTOR
ATC-125
C
D
E
F
G
H
I
K
L
MA
B
AT C
MODE DOOR MOTORPFP:27731
Removal and InstallationEJS0020C
1. Disconnect the mode door motor connector.
2. Remove the mode door motor.
RJIA0826E
RJIA1725E

ATC-126
AIR MIX DOOR MOTOR
AIR MIX DOOR MOTOR
PFP:27732
Removal and InstallationEJS0020D
1. Disconnect the air mix door motor connector.
2. Remove the air mix door motor.
RJIA0828E
RJIA0829E

FAN CONTROL AMPLIFIER
ATC-127
C
D
E
F
G
H
I
K
L
MA
B
AT C
FAN CONTROL AMPLIFIERPFP:27761
Removal and InstallationEJS0020E
1. Remove the fan control amp.
RJIA0824E

ATC-128
VENTILATION AIR FILTER
VENTILATION AIR FILTER
PFP:27277
Removal and InstallationEJS0020F
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-5 (Except for Europe), MA-8 or MA-10 (For Europe), “CHASSIS AND BODY MAINTENANCE”.
Caution label is fixed inside the glove box.
REPLACEMENT AND PROCEDURES
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
RHA681H

HEATER CORE
ATC-129
C
D
E
F
G
H
I
K
L
MA
B
AT C
HEATER COREPFP:27140
Removal and InstallationEJS0020G
1. Remove the heater & cooling unit. Refer to ATC-122, "Removal and Installation" .
2. Separate the heater & cooling unit, then remove the heater core. Refer to ATC-123, "
Disassembly and
Assembly" .

ATC-130
DUCTS AND GRILLES
DUCTS AND GRILLES
PFP:27860
Removal and InstallationEJS0020H
VENTILATOR DUCT, DEFROSTER NOZZLE AND DEFROSTER DUCTS
NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
CENTER VENTILATOR GRILLE
1. Remove the cluster lid C. Refer to BT-25, "INSTRUMENT PANEL ASSEMBLY".
2. Remove the center ventilator grille.
SIDE VENTILATOR GRILLE
1. Remove the instrument panel.
2. Remove the side ventilator grille.
FOOT DUCT
1. Remove the heater & cooling unit. Refer to ATC-122, "Removal
and Installation" .
2. Remove the foot duct.
1. Defroster nozzle 2. Side defroster duct (right) 3. Instrument panel
4. Side ventilator grille (right) 5. Cluster lid C (center ventilator grille) 6. Side ventilator grille (left)
7. Ventilator duct 8. Side defroster duct (left)
RJIA1726E
RJIA1727E
RJIA0830E