NISSAN LATIO 2009 Service Repair Manual

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THERMO CONTROL AMPLIFIER
Removal and Installation INFOID:0000000004307078
NOTE:
Only MR18DE - TYPE 2 systems are equipped with a thermo control amplifier.
REMOVAL 1. Remove evaporator. Refer to MTC-85, " 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 on es, 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.

Changing Engine Coolant " .
3. Remove cowl top cover. Refer to EI-22, " 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 bolts B. Steering member bolts C. Steering column nuts
SJIA0645E

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8. Remove instrument stay nuts (A) and harness clamps (B), and
then remove instrument stay (1).
9. Disconnect thermo control amp. connector (1) for MR18DE - TYPE 2 systems as shown. Disconnect 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-39, " 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-35, " Changing Engine Coolant " .
• Recharge the refrigerant.
CAUTION:
• Replace O-rings for A/C piping with new on es, and apply compressor oil when installing.
• When recharging refrigerant, check for leaks. Removal and Installation " .

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40. Expansion valve grommet 41. O-ring 42. Evaporator
43. Cooler pipe assembly

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 the blower motor fl ange holding hook locks securely into the A/C unit
assembly.

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INTAKE DOOR
Intake Door Cable Adjustment INFOID:0000000004307082
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 cab le, do not move the inner
cable.

.
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 cable, do not move the inner
cable.

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MODE DOOR
Mode Door Cable Adjustment INFOID:0000000004307084
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 cab le, do not move the inner
cable.
6. Turn mode control dial to each position.
7. Confirm that discharge air comes out accord ing to the air distribution table. Refer to MTC-20, " Discharge
Air Flow " .