NISSAN LATIO 2011 Service Repair Manual

TROUBLE DIAGNOSISMTC-55
< SERVICE INFORMATION >
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*1. MTC-31, "Operational Check"*2.EM-13, "Checking" (HR16DE) or EM-
132, "Checking Drive Belts"
(MR18DE) *3.
MTC-46, "
Insufficient Cooling"
*4.MTC-92, "Removal and Installation of
Expansion Valve"
*5.MTC-78, "Removal and Installation of
Compressor - HR16DE" or MTC-80,
"Removal and Installation of Com-
pressor - MR18DE"
*6 MTC-78, "Removal and Installation of
Compressor - HR16DE" or MTC-80,
"Removal and Installation of Com-
pressor - MR18DE"
*7. MTC-78, "Removal and Installation of
Compressor - HR16DE" or MTC-80,
"Removal and Installation of Com-
pressor - MR18DE"
*8.MTC-17, "Maintenance of Oil Quanti-
ty in Compressor"
*9 MTC-90, "Removal and Installation of
Liquid Tank"
AWIIA1001GB
Revision: May 2010 2011 Versa

MTC-56
< SERVICE INFORMATION >
CONTROLLER
CONTROLLER
Removal and InstallationINFOID:0000000005930857
REMOVAL
1. Remove instrument finisher E. Refer to IP-11, "Component Parts" .
2. Remove instrument finisher D. Refer to IP-11, "
Component Parts" .
3. Remove cluster lid C. Refer to IP-11, "
Component Parts" .
4. Remove intake door lever knob. Refer to MTC-57, "
Disassembly and Assembly" .
5. Remove controller finisher mounting screws and clips and the controller finisher.
6. Remove controller mounting screws and the controller.
7. Remove instrument panel lower cover. Refer to IP-11, "
Component Parts" .
8. Remove instrument panel side finisher. Refer to IP-11, "
Component Parts" .
9. Remove instrument panel lower finisher. Refer to IP-11, "
Component Parts" .
10. Remove glove box assembly. Refer to IP-11, "
Component Parts" .
11. Remove air mix door cable, mode door cable and intake door cable from A/C unit assembly.
12. Disconnect connector, and then remove controller.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Adjust the door cables duri ng installation. Refer to MTC-64, "
Intake Door Cable Adjustment" , MTC-66,
"Mode Door Cable Adjustment" and MTC-65, "Air Mix Door Cable Adjustment" .
ZJIA0697E
ZJIA0698E
Revision: May 2010 2011 Versa

CONTROLLERMTC-57
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Disassembly and AssemblyINFOID:0000000005930858
CAUTION:
Install inner cable of each do or cable to the corresponding
lever, as shown in the figure. Pr ess outer cable until it hooks on
the tabs and becomes secure.
1. Air mix door cable 2. Intake door cable3. Mode door cable
4. A/C controller assembly 5. Mode control dial6. Rear DEF button
7. A/C button 8. Temperature control dial9. Illumination bulb
10. Intake door lever knob 11. Fan control dial
ZJIA0106J
MJIA0038E
Revision: May 2010 2011 Versa

MTC-58
< SERVICE INFORMATION >
THERMO CONTROL AMPLIFIER
THERMO CONTROL AMPLIFIER
Removal and InstallationINFOID:0000000005930859
NOTE:
Only MR18DE - TYPE 2 systems are equipped with a thermo control amplifier.
REMOVAL
1. Remove evaporator. Refer to MTC-91, "Removal and Installation of Evaporator" .
CAUTION:
Cap or wrap the joint of the pipe with suitable ma terial such as vinyl tape to avoid the entry of air.
2. Mark the mounting position of the thermo control amp. and then
remove thermo control amp. (1) from evaporator (2).
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings for A/C piping with new ones, and apply compressor oil when installing.
• Install the thermo control amp. at the mark made during removal of the thermo control amp.
• When recharging refrigerant, check for leaks.
ZJIA0798J
Revision: May 2010 2011 Versa

A/C UNIT ASSEMBLYMTC-59
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A/C UNIT ASSEMBLY
Removal and InstallationINFOID:0000000005930860
REMOVAL
1. Use a recovery/recycling equipment (f or HFC-134a) to discharge refrigerant.
2. Drain coolant from cooling system. Refer to CO-36, "
Changing Engine Coolant".
3. Remove cowl top cover. Refer to EI-24, "
Removal and Installation".
4. Remove upper clip and position the lower dash insulator aside.
5. Remove bolt (A), and then disconnect low-pressure flexible hose (1) and high-pressure pipe (2) from evaporator.
CAUTION:
Cap or wrap the joint of the pi pe with suitable material such
as vinyl tape to avoid the entry of air.
6. Remove clamps (A), and then disconnect heater hoses (1) from heater core.
7. Remove console box assembly. Refer to IP-11, "
Component Parts".
A. A/C unit assembly boltsB. Steering member boltsC. Steering column nuts
SJIA0648E
SJIA0644E
SJIA0645E
Revision: May 2010 2011 Versa

MTC-60
< SERVICE INFORMATION >
A/C UNIT ASSEMBLY
8. Remove instrument stay nuts (A) and harness clamps (B), andthen remove instrument stay (1).
9. Disconnect thermo control amp. connector (1) for MR18DE - TYPE 2 systems as shown. Di sconnect the thermo control amp.
short connector for MR18DE - TYPE 1 and HR16DE systems.
10. Remove instrument panel and pad. Refer to IP-11, "
Component Parts".
11. Remove side ventilator ducts. Refer to MTC-69, "
Removal and Installation".
12. Remove center ventilator ducts. Refer to MTC-69, "
Removal and Installation".
13. Remove side kicking plates. Refer to EI-41, "
Component".
14. Disconnect the fuel filler door cable and the rear hatch door cable.
15. Remove A/C unit assembly bolts, steering member bolts, steering column nuts and harness clips.
16. Remove steering member, and then remove A/C unit assembly.
INSTALLATION
Installation is in the reverse order of removal.
• When filling radiator with coolant, refer to CO-36, "
Changing Engine Coolant".
• Recharge the refrigerant.
CAUTION:
• Replace O-rings for A/C piping with new ones, and apply compressor oil when installing.
• When recharging refrigerant, check for leaks.
SJIA0646E
SJIA0647E
A/C unit assembly bolt : 6.9 N·m (0.7 kg-m, 61 in-lb)
Steering member bolt : 12 N·m (1.25 kg-m, 9 ft-lb)
Steering column nut : Refer to PS-10, "
Removal and Installation".
Revision: May 2010 2011 Versa

A/C UNIT ASSEMBLYMTC-61
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Disassembly and AssemblyINFOID:0000000005930861
1. Blower case (right) 2. Foot duct (right) 3. Blower motor
4. Sub ventilator·defroster door lever 5. Sub ventilator·defroster door rod 6. Ventilator·defroster door lever
7. Ventilator·defroster door rod 8. Intake door lever 9. Ventilator·defroster door link
10. Main link 11. Thermo control amp.
(MR18DE - TYPE1) 12. Heater pipe packing
13. Lower blower case 14. Heater pipe cover 15. Heater pipe clip
16. Intake door link 17. Blower fan resistor 18. Intake case (left)
19. Center defroster duct 20. Blower case (left) 21. Cover
22. Cover 23. Expansion valve cover 24. Foot door lever
25. Foot door link 26. Expansion valve 27. Air conditioner filter
28. Evaporator cover 29. Heater core 30. Spring
31. Water valve rod 32. Air mix door lever 33. Intake door
34. Intake case (right) 35. Foot duct (left) 36. Ventilator·defroster door
37. Foot door 38. Air mix door 39. Seal
SJIA1515E
Revision: May 2010 2011 Versa

MTC-62
< SERVICE INFORMATION >
A/C UNIT ASSEMBLY
40. Expansion valve grommet41. O-ring 42. Evaporator
43. Cooler pipe assembly
Revision: May 2010 2011 Versa

BLOWER MOTORMTC-63
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BLOWER MOTOR
Removal and InstallationINFOID:0000000005930862
REMOVAL
1. Remove instrument panel and pad. Refer to IP-11, "Component Parts".
2. Remove side ventilator duct (right). Refer to MTC-69, "
Removal and Installation".
3. Disconnect blower motor connector (1).
4. Push the flange holding hook (A) toward the blower motor (2), then rotate the blower motor (2) clockwise and remove it from
the A/C unit assembly.
CAUTION:
When blower fan and blower motor are assembled, the bal-
ance is adjusted, do not di sassemble to replace the individ-
ual parts.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Rotate the blower motor until th e blower motor flange holding ho ok locks securely into the A/C unit
assembly.
LJIA0199E
Revision: May 2010 2011 Versa

MTC-64
< SERVICE INFORMATION >
INTAKE DOOR
INTAKE DOOR
Intake Door Cable AdjustmentINFOID:0000000005930863
1. Remove instrument lower finisher. Refer to IP-11.
2. Remove outer cable of intake door cable (1) from clamp (A).
3. Set intake door lever to REC position.
4. Push intake door link (2) in the direction shown by the arrow, and then carefully pull outer cable to controller side, and install
clamp (A).
5. Operate intake door lever to insure that inner cable moves smoothly.
CAUTION:
When clamping the outer cable, do not move the inner
cable.
SJIA0650E
Revision: May 2010 2011 Versa