air controller NISSAN TIIDA 2011 Service User Guide

INSTRUMENT PANEL ASSEMBLYIP-15
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b. Reach through the glove box compartment by hand to the back- side of the side ventilator and push against (A) as shown to
engage the pawl.
: Pawl
c. Insert a suitable tool into the bottom gap of side ventilator assembly after removing the instrument side mask and push
against (B) as shown to disengage the pawl.
d. Lift the side ventilator assembly up from the bottom, pull back- ward while disengaging the side ventilator assembly upper
pawls, and then remove the side ventilator assembly.
: Pawl
18. Remove front passenger air bag module. Refer to SRS-39
.
19. Remove instrument upper mask. : Pawl
a. Insert a suitable tool into backside space of instrument upper mask.
b. Disconnect harness connector, and then remove instrument upper mask.
20. Remove instrument finisher D. : Pawl
: Clip
a. Insert a suitable tool into upper space of instrument finisher D.
b. Disengage clips and pawls, then remove instrument finisher D.
21. Remove controller. Refer to MTC-56
.
PIIB6385E
PIIB3979E
PIIB2445E
PIIB2446E
Revision: May 2010 2011 Versa

MTC-1
AIR CONDITIONER
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CONTENTS
MANUAL AIR CONDITIONER
SERVICE INFORMATION .. ..........................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
3
Precaution for Procedure without Cowl Top Cover ......4
Precaution for Working with HFC-134a (R-134a) ......4
General Refrigerant Precaution ................................4
Oil Precaution ............................................................5
Precaution for Refrigerant Connection ......................5
Precaution for Service of Compressor ................ ......8
Precaution for Service Equipment ....................... ......8
Precaution for Leak Detection Dye ...........................9
PREPARATION ..................................................11
HFC-134a (R-134a) Service Tool and Equipment ....11
Commercial Service Tool ........................................14
REFRIGERATION SYSTEM ..............................15
Refrigerant Cycle ................................................ ....15
Refrigerant System Protection ................................15
Component Part Location ................................... ....16
OIL ......................................................................17
Maintenance of Oil Quantity in Compressor ....... ....17
AIR CONDITIONER CONTROL .........................19
Control Operation ................................................ ....19
Discharge Air Flow ..................................................20
System Description .................................................20
TROUBLE DIAGNOSIS .....................................22
CONSULT-III Function (BCM) ............................. ....22
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ......................................................
23
Component Parts and Harness Connector Loca-
tion ...................................................................... ....
23
Schematic ...............................................................26
Wiring Diagram - Heater - .......................................27
Wiring Diagram - A/C,M - .................................... ....28
Operational Check ...................................................31
Mode Door ...............................................................32
Air Mix Door .............................................................33
Intake Door ..............................................................34
Front Blower Motor Circuit .......................................34
Magnet Clutch Circuit (If Equipped) ..................... ....38
Insufficient Cooling ..................................................46
Insufficient Heating ..................................................53
Noise .......................................................................54
CONTROLLER ..................................................56
Removal and Installation .........................................56
Disassembly and Assembly .....................................57
THERMO CONTROL AMPLIFIER ....................58
Removal and Installation .........................................58
A/C UNIT ASSEMBLY ......................................59
Removal and Installation .........................................59
Disassembly and Assembly .....................................61
BLOWER MOTOR ............................................63
Removal and Installation .........................................63
INTAKE DOOR ..................................................64
Intake Door Cable Adjustment .................................64
AIR MIX DOOR .................................................65
Air Mix Door Cable Adjustment ...............................65
MODE DOOR ....................................................66
Mode Door Cable Adjustment .................................66
BLOWER FAN RESISTOR ...............................67
Removal and Installation .........................................67
HEATER CORE .................................................68
Removal and Installation .........................................68
DUCTS AND GRILLES .....................................69
Removal and Installation .........................................69
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
< SERVICE INFORMATION >
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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

AIR MIX DOORMTC-65
< SERVICE INFORMATION >
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AIR MIX DOOR
Air Mix Door Cable AdjustmentINFOID:0000000005930864
1. Remove steering member. Refer to MTC-59.
2. Remove outer cable of air mix door cable (1) from clamp (A).
3. Set temperature control dial to full cold position.
4. Push air mix door lever (2) in the direction shown by arrow, and then carefully pull outer cable toward controller side, and install
clamp (A).
5. Operate temperature control dial to insure that inner cable moves smoothly.
CAUTION:
When clamping the outer cab le, do not move the inner
cable.
SJIA1150E
Revision: May 2010 2011 Versa

MTC-66
< SERVICE INFORMATION >
MODE DOOR
MODE DOOR
Mode Door Cable AdjustmentINFOID:0000000005930865
1. Remove glove box assembly and instrument lower cover (RH). Refer to IP-11.
2. Remove outer cable of mode door cable (1) from clamp (A).
3. Set mode control dial to VENT position.
4. Push main link (2) in the direction shown by the arrow, and then carefully pull outer cable to controller side, and install clamp (A).
5. Operate mode control dial to insure that inner cable moves smoothly.
CAUTION:
When clamping the outer cable, do not move the inner
cable.
6. Turn mode control dial to each position.
7. Confirm that discharge air comes out according to the air distribution table. Refer to MTC-20, "
Discharge
Air Flow".
SJIA0654E
Revision: May 2010 2011 Versa