2010 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2010 Service Repair Manual MTC-26
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Schematic
INFOID:0000000005396494
AAIWA0053GB
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NISSAN LATIO 2010 Service Repair Manual TROUBLE DIAGNOSISMTC-27
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Wiring Diagram - Heater -INFOID:0000000005396495
WITHOUT A/C
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NISSAN LATIO 2010 Service Repair Manual MTC-28
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Wiring Diagram - A/C,M -
INFOID:0000000005396496
WJWA0484E
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NISSAN LATIO 2010 Service Repair Manual TROUBLE DIAGNOSISMTC-29
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NISSAN LATIO 2010 Service Repair Manual MTC-30
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
WJWA0488E
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NISSAN LATIO 2010 Service Repair Manual TROUBLE DIAGNOSISMTC-31
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Operational CheckINFOID:0000000005396497
The purpose of the operational check is to confirm that the system operates p

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NISSAN LATIO 2010 Service Repair Manual MTC-32
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
1. Turn blower control dial clockwise to "1" position. Blower should operate on low speed.
2. Turn blower control dial clockwise to "2" position, and c

MTC-32
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
1. Turn blower control dial clockwise to "1" position. Blower should operate on low speed.
2. Turn blower control dial clockwise to "2" position, and continue checking blower speed until all speeds are
checked.
3. Leave blower on Maximum speed.
If NG, go to trouble diagnosis procedure for MTC-34, "
Front Blower Motor Circuit".
If OK, continue the check.
CHECKING DISCHARGE AIR
1. Turn mode door control dial to each position.
2. Confirm that discharge air comes out according to the air distribution table. Refer to MTC-20, "
Discharge
Air Flow".
If NG, go to trouble diagnosis procedure for MTC-32, "
Mode Door".
If OK, continue the check.
CHECKING RECIRCULATION
1. Set intake door lever to REC position.
2. Operate intake door lever to FRE position.
3. Listen for intake door position change (you should hear blower sound change slightly).
If NG, go to trouble diagnosis procedure for MTC-34, "
Intake Door".
If OK, continue the check.
CHECKING TEMPERATURE DECREASE
1. Turn temperature control dial counterclockwise to full cold position.
2. Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-46, "
Insufficient Cooling".
If OK, continue the check.
CHECKING TEMPERATURE INCREASE
1. Turn temperature control dial clockwise to full hot position.
2. Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-53, "
Insufficient Heating".
If OK, continue the check.
CHECKING A/C SWITCH (IF EQUIPPED)
1. Turn fan control dial to the desired (1 to 4 speed) position.
2. Press A/C switch.
3. A/C switch indicator will turn ON.
• Confirm that the compressor clutch engages (sound or visual inspection).
If NG, go to trouble diagnosis procedure for MTC-38, "
Magnet Clutch Circuit (If Equipped)".
If OK, continue the check.
CHECKING DEFROST A/C SWITCH (IF EQUIPPED)
1. Turn fan control dial to the desired (1 to 4 speed) position.
2. Turn mode dial to ( ) DEF.
3. Confirm that the compressor clutch engages (sound or visual inspection) and the A/C switch indicator illu- minates.
If NG, go to trouble diagnosis procedure for MTC-38, "
Magnet Clutch Circuit (If Equipped)".
If all operational checks are OK (symptom cannot be duplicated), go to MTC-23, "
How to Perform Trouble
Diagnosis for Quick and Accurate Repair" and perform tests as outlined. If symptom appears, refer to MTC-23,
"How to Perform Trouble Diagnosis for Quick and Accurate Repair" and perform applicable trouble diagnosis
procedures.
Mode DoorINFOID:0000000005396498
SYMPTOM: Air outlet does not change.
INSPECTION FLOW
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NISSAN LATIO 2010 Service Repair Manual TROUBLE DIAGNOSISMTC-33
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1.CONFIRM SYMPTOM BY PERFORMING O PERATIONAL CHECK - DISCHARGE AIR
1. Rotate the mode door control dial to each positio

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1.CONFIRM SYMPTOM BY PERFORMING O PERATIONAL CHECK - DISCHARGE AIR
1. Rotate the mode door control dial to each position.
2. Confirm that discharge air comes out accord ing to the air distribution table. Refer to MTC-20, "
Discharge
Air Flow".
NOTE:
Confirm that the compressor clutch (with A/C) is engaged (visual inspection) when DEF ( ) or D/F ( )
is selected.
Can a symptom be duplicated?
YES >> GO TO 3.
NO >> GO TO 2.
2.PERFORM COMPLETE OPERATIONAL CHECK
Perform a complete operational check and check for any symptoms. Refer to MTC-31, "
Operational Check".
Can a symptom be duplicated?
YES >> Refer to MTC-23, "How to Perform Trouble Diagnosis for Quick and Accurate Repair".
NO >> System OK.
3.CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
>> GO TO 4.
4.CHECK MODE DOOR CONTROL CABLE
Check and verify mode door mechanism for smooth operation in each mode.
OK or NG
OK >> If the symptom still exists, perform a comple te operational check and check for other symptoms.
Refer to MTC-31, "
Operational Check". If other symptoms exist, refer to MTC-23, "How to Perform
Trouble Diagnosis for Quick and Accurate Repair" .
NG >> Repair or adjust mode door control cable. Refer to MTC-66, "
Mode Door Cable Adjustment".
Air Mix DoorINFOID:0000000005396499
SYMPTOM: Air mix door does not change.
INSPECTION FLOW
1.CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - TEMPERATURE INCREASE
1. Turn the temperature control dial clockwise until maximum heat.
2. Check for hot air at discharge air outlets.
>> GO TO 2.
2.CONFIRM SYMPTOM BY PERFORMING OPERAT IONAL CHECK - TEMPERATURE DECREASE
1. Turn the temperature control dial counterclockwise until maximum cold.
2. Check for cold air at discharge air outlets.
Can a symptom be duplicated?
YES >> GO TO 4.
NO >> GO TO 3.
3.PERFORM COMPLETE OPERATIONAL CHECK
Perform a complete operational check and check for any symptoms. Refer to MTC-31, "
Operational Check".
Can a symptom be duplicated?
YES >> Refer to MTC-23, "How to Perform Trouble Diagnosis for Quick and Accurate Repair".
NO >> System OK.
4.CHECK FOR SERVICE BULLETINS
Check for any service bulletins.
Revision: January 20102010 Versa

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