heater NISSAN TEANA 2014 Repair Manual

EC-958
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
ELECTRICAL LOAD SIGNAL
>> INSPECTION END
3.CHECK HEADLAMP SYSTEM
Check headlamp system. Refer to EXL-86, "Work Flow"
.
>> INSPECTION END
4.CHECK HEATER FAN CONTROL SYSTEM
Check heater fan control system. Refer to VTL-5, "Description"
.
>> INSPECTION END
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-998
< SERVICE DATA AND SPECIFICATIONS (SDS) [VQ35DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Idle SpeedINFOID:0000000009462872
*: Under the following conditions
• A/C switch: OFF
• Electric load: OFF (Lights, heater fan & rear window defogger)
• Steering wheel: Kept in straight-ahead position
Ignition TimingINFOID:0000000009462873
*: Under the following conditions
• A/C switch: OFF
• Electric load: OFF (Lights, heater fan & rear window defogger)
• Steering wheel: Kept in straight-ahead position
Calculated Load ValueINFOID:0000000009462874
Mass Air Flow SensorINFOID:0000000009462875
*: Engine is warmed up to normal operating temperature and running under no load. Condition Specification
No load* (in P or N position) 650 ± 50 rpm
Condition Specification
No load* (in P or N position) 12 ± 2 ° BTDC
Condition Specification (Using CONSULT or GST)
At idle 10 – 35 %
At 2,500 rpm 10 – 35 %
Supply voltageBattery voltage (11 – 14 V)
Output voltage at idle (in N position) 0.9 – 1.2 V*
Mass air flow (Using CONSULT or GST) 2.0 – 6.0 g/s at idle*
7.0 – 20.0 g/s at 2,500 rpm*
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EM-84
< UNIT REMOVAL AND INSTALLATION >[QR25DE]
ENGINE ASSEMBLY
Removal and Installation
INFOID:0000000009460508
WARNING:
• Place chocks at the front and back of the rear wheels.
• For engines not equipped with slin gers, attach proper slingers and bolts as described in the Parts
Catalog.
CAUTION:
• Do not start working until the exh aust system and coolant are cool.
• If items or work required are not covered by the en gine main body section, follow the applicable pro-
cedures.
• Use the correct supporting points for lifting and jacking. Refer to GI-33, "Garage Jack and Safety
Stand".
• In removing the drive shaft, be careful not to damage the grease seals on the transaxle.
NOTE:
When removing components such as hoses, tubes/lines, etc. , cap or plug openings to prevent fluid from spill-
ing.
REMOVAL
1. Remove engine cover using power tool. Refer to EM-28, "Removal and Installation".
2. Release fuel pressure. Refer to EC-182, "Work Procedure"
.
3. Disconnect the negative and positive battery terminal. Refer to PG-73, "Removal and Installation (Bat-
tery)".
4. Disconnect the fuel rail at the fuel hose quick connector (engine side). Refer to EM-41, "Removal and
Installation".
5. Drain the engine coolant. Refer to CO-12, "Changing Engine Coolant"
.
6. Remove the engine under cover. Refer to EXT-28, "Removal and Installation"
.
7. Remove hood assembly. Refer to DLK-170, "HOOD ASSEMBLY : Removal and Installation"
.
8. Remove core support cover.
9. Remove the front air duct and air cleaner case assembly. Refer to EM-29, "Removal and Installation"
.
10. Remove battery and battery tray. Refer to PG-74, "Removal and Installation (Battery Tray)"
.
11. Remove cowl top. Refer to EXT-24, "Removal and Installation"
.
12. Remove strut brace. Refer to FSU-19, "Exploded View"
.
13. Disconnect EVAP hose and vacuum hose from intake manifold.
14. Remove upper and lower radiator hoses (engine side).
15. Remove CVT cooler lines.
16. Disconnect engine room harness connecto r at the CVT and ECM connectors.
CAUTION:
Protect the harness connector with plastic bags or suitable covering to help prevent damage and
intrusion of foreign mate rials into the connectors.
17. Remove the brake booster vacuum hose.
18. Disconnect the heater hoses.
19. Remove the front wheels and tires using a power tool. Refer to WT-55, "Adjustment"
.
20. Remove the fender protector side covers (RH) and (LH). Refer to EXT-26, "FENDER PROTECTOR :
Removal and Installation".
21. Remove tie rod ends from the steering knuckles. Refer to ST-36, "Removal and Installation"
.
22. Remove the power steering gear bolts and support the power steering gear. Refer to ST-36, "Exploded
View".
23. Remove rear cover plate.
24. Remove the torque converter nuts.
25. Remove the rear engine mount torque rod.
26. Remove front exhaust tube and gaskets. Refer to EX-5, "Exploded View"
.
G. 90 N·m (9.2 kg-m, 66 ft-lb) H. 103 N·m (11 kg-m, 76 ft-lb) J. Follow installation procedure
Front
Revision: November 20132014 Altima NAM

CYLINDER BLOCKEM-87
< UNIT DISASSEMBLY AND ASSEMBLY > [QR25DE]
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UNIT DISASSEMBLY AND ASSEMBLY
CYLINDER BLOCK
Exploded ViewINFOID:0000000009460509
AWBIA1327GB
1. Cylinder block 2. O-ring 3. Crankshaft position sensor (POS)
4. Knock sensor 5. Water temperature sensor 6. Cylinder block heater (if equipped)
7. Lower cylinder block 8. Lower cylinder block bolt 9. Snap ring
10. Connecting rod 11. Connecting rod bearing 12. Connecting rod bearing cap
13. Connecting rod bearing cap bolt 14. Piston 15. Oil ring
16. Second ring 17. Top ring 18. Piston pin
19. Main thrust bearing 20. Main bearing upper 21. Crankshaft
22. Main bearing lower 23. Crankshaft rear oil seal 24. Pilot converter
25. Crankshaft signal plate 26. Drive plate 27. Reinforcement plate
Revision: November 20132014 Altima NAM

ENGINE ASSEMBLYEM-221
< UNIT REMOVAL AND INSTALLATION > [VQ35DE]
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• Do not damage the edge of the crankshaft
position sensor (POS) or the ring gear teeth.
REMOVAL
NOTE:
When removing components such as hoses, tubes/lines, etc. , cap or plug openings to prevent fluid from spill-
ing.
1. Remove hood assembly. Refer to DLK-170, "HOOD ASSEMBLY : Removal and Installation"
.
2. Release fuel pressure. Refer to FL-5, "Inspection"
.
3. Drain engine coolant. Refer to CO-36, "Changing Engine Coolant"
.
4. Drain power steering fluid. Refer to ST-30, "Draining and Refilling"
.
5. Remove front wheels and tires (RH/LH). Refer to WT-55, "Adjustment"
.
6. Remove fender protector side covers (RH/LH). Refer to EXT-26, "FENDER PROTECTOR : Removal and
Installation".
7. Remove the engine under cover. Refer to EXT-17, "Removal and Installation"
.
8. Remove the engine room cover. Refer to EM-143, "Removal and Installation"
.
9. Remove air duct hose and resonator assembly and air cleaner case assembly with mass air flow sensor.
Refer to EM-144, "Removal and Installation"
.
10. Remove battery and battery tray. Refer to PG-74, "Removal and Installation (Battery Tray)"
.
11. Remove transmission control module. Refer to TM-183, "Removal and Installation"
.
12. Remove cowl top. Refer to EXT-24, "Removal and Installation"
.
13. Remove strut brace using power tools. Refer to FSU-19, "Exploded View"
.
14. Remove IPDM E/R. Refer to PCS-32, "Removal and Installation"
.
15. Remove the following parts: • EVAP vacuum hose
• Brake booster vacuum hose
• Heater hoses (engine side)
16. Disconnect transaxle shift control cables. Refer to TM-380, "Removal and Installation"
.
17. Remove upper and lower radiator hoses.
18. Disconnect CVT fluid cooler hoses.
19. Remove power steering reservoir, suction hose and high pressure hose.
20. Disconnect fuel hose quick connection at vehicle piping side. Refer to EM-163, "Removal and Installa-
tion".
21. Remove the front exhaust tube using power tools. Refer to EX-10, "Exploded View"
.
22. Discharge and recover the R134a refrigerant. Refer to HA-23, "Recycle Refrigerant"
.
23. Remove the A/C compressor using power tools. Refer to HA-30, "COMPRESSOR : Removal and Installa-
tion".
24. Install engine slingers into front of LH cylinder head and rear of RH cylinder head.
• (A): RH cylinder head
ALBIA0262GB
Revision: November 20132014 Altima NAM

CYLINDER BLOCKEM-225
< UNIT DISASSEMBLY AND ASSEMBLY > [VQ35DE]
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CAUTION:
• Apply new engine oil to parts as marked in illustrations before installation.
• Place removed parts such as bearings and bear ing caps in their proper order and direction.
• When installing the connecting ro d nuts, and main bearing cap bolts, apply new engine oil to the
threads and mating surfaces
• Do not allow any magnetic materials to contact the signal plate teeth on the drive plate.
DISASSEMBLY
1. Remove the engine assembly. Refer to EM-220, "Removal and Installation".
2. Remove drive plate. • Loosen bolts in diagonal order.
CAUTION:
• Do not disassemble drive plate.
• Place the drive plate with signal plate surface facing
upward.
• Be careful not to damage or scratch drive plate. Espe- cially avoiding deforming and damaging of signal plate
teeth.
• Keep magnetic materials away from signal plate.
3. Remove pilot converter using Tool.
4. Install the engine on the engine stand. CAUTION:
• Use an engine stand that has a load capacity [approximately 240kg (529) or more] large enough
for supporting the engine weight.
• Before removing the hanging chains, make sure th e engine stand is stable and there is no risk of
overturning.
5. Remove the knock sensors. CAUTION:
Carefully handle sensors avoiding shocking it.
1. Reinforcement plate 2. Drive plate 3. Rear oil seal retainer
4. Rear oil seal 5. Sub harness 6. Knock sensor
7. Cylinder block 8. Thrust bearing (upper) 9. Main bearing (upper)
10. Crankshaft 11. Crankshaft key 12. Thrust bearing (lower)
13. Main bearing (lower) 14. Main bearing cap 15. Main bearing cap bolt
16. Main bearing beam 17. Baffle plate 18. Connecting rod bolt
19. Connecting rod bearing cap 20. Connecting rod bearing 21. Connecting rod
22. Snap ring 23. Piston pin 24. Piston
25. Oil ring 26. Second ring 27. Top ring
28. Pilot converter 29. Oil jet 30. Gasket (for Canada)
31. Cylinder block heater (for Canada) A. Crankshaft side B. Chamfered
C. Follow the assembly procedure D. Front mark
SEM760G
Tool number : ST16610001 (J-23907)
SEM005G
Revision: November 20132014 Altima NAM

EM-228
< UNIT DISASSEMBLY AND ASSEMBLY >[VQ35DE]
CYLINDER BLOCK
Do not reuse washer.
• Apply sealant to the thread of water drain plug (A). Use Anaerobic Liquid Gasket or equivalent. Refer to EM-
124, "Precaution for Liquid Gasket".
NOTE:
For Canada, water drain plug (A) shown is not water drain plug
but block heater. Refer to EM-252, "Cylinder Block"
.
• Apply sealant to the thread of connector bolt (D). Use Genuine RTV Silicone Seal ant or equivalent. Refer to
EM-124, "Precaution for Liquid Gasket"
.
• Apply sealant to the thread of plug (C). Use genuine high strength thread locking sealant or
equivalent. Refer to EM-124, "Precaution for Liquid Gas-
ket".
• Tighten each plug and connector bolt as specified below.
3. Install the oil jets. • Insert the oil jet dowel pin into the cylinder block dowel pin
hole, and tighten the bolts.
4. Install the main bearings and the thrust bearings.
a. Remove dust, dirt, and oil on the bearing mating surfaces of the cylinder block and the main bearing cap.
b. Install the thrust bearings to both sides of the No. 3 journal hous- ing on the cylinder block and the main bearing cap.
• Install the thrust bearings with the oil groove facing the crank- shaft arm (outside).
• Install bearing with a projection on one end on cylinder block and bearing with a projection at center on cap. Align each pro-
jection with mating notch.
(B) : Water drain plug
PBIC2487E
Part Washer Tightening torque
A (except Canada) Yes 62.0 N· m (6.3 kg-m, 46 ft-lb)
A (Canada) Yes 39.0 N·m (4.0 kg-m, 29 ft-lb) B No 6 N·m (0.6 kg-m, 53)
C Yes 78 N·m (8.0 kg-m, 58 ft-lb)
D Yes 39.2 N·m (4.0 kg-m, 29 ft-lb)
PBIC0898E
PBIC0807E
Revision: November 20132014 Altima NAM

HA-1
VENTILATION, HEATER & AIR CONDITIONER
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CONTENTS
HEATER & AIR CONDITIONING SYSTEM
PRECAUTION ................ ...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution for Work ..................................................3
Precaution for Working with HFC-134a (R-134a) ......3
Contaminated Refrigerant .........................................4
Precaution for Leak Detection Dye ...........................4
Precaution for Refrigerant Connection ......................4
Precaution for Service Equipment ....................... ......7
PREPARATION ............................................9
PREPARATION .............................................. .....9
Special Service Tool ........................................... ......9
HFC-134a (R-134a) Service Tool and Equipment ......9
Commercial Service Tool ........................................11
SYSTEM DESCRIPTION .............................13
REFRIGERATION SYSTEM .......................... ....13
Refrigerant Cycle ................................................ ....13
Refrigerant System Protection ................................13
Component Part Location ................................... ....14
BASIC INSPECTION ...................................15
DIAGNOSIS AND REPAIR WORKFLOW ..... ....15
Workflow ............................................................. ....15
SYMPTOM DIAGNOSIS ..............................17
HEATER AND AIR CONDITIONING SYSTEM
SYMPTOMS ................................................... ....
17
Symptom Table ................................................... ....17
REFRIGERATION SYSTEM SYMPTOMS .........18
Trouble Diagnosis For Unusual Pressure ........... ....18
Symptom Table .......................................................18
NOISE .................................................................20
Symptom Table ................................................... ....20
PERIODIC MAINTENANCE ........................21
REFRIGERANT ................................ .................21
Description ........................................................... ....21
Leak Test .................................................................21
Recycle Refrigerant .................................................23
Charge Refrigerant ..................................................23
OIL .....................................................................25
Description ...............................................................25
Inspection ................................................................25
Perform Oil Return Operation ..................................25
Oil Adjusting Procedure for Components Replace-
ment Except Compressor ........................................
25
Oil Adjusting Procedure for Compressor Replace-
ment ..................................................................... ....
26
PERFORMANCE TEST ....................................28
Inspection ................................................................28
REMOVAL AND INSTALLATION ...............30
COMPRESSOR .................................................30
COMPRESSOR ........ ..................................................30
COMPRESSOR : Exploded Vi ew ............................30
COMPRESSOR : Removal an d Installation ............30
MAGNET CLUTCH ................................................ ....31
MAGNET CLUTCH : Removal and Installation .......31
COOLER PIPE AND HOSE ..............................34
Exploded View .........................................................34
LOW-PRESSURE FLEXIBLE HOSE ..................... ....34
LOW-PRESSURE FLEXIBLE HOSE : Removal
and Installation .................................................... ....
34
HIGH-PRESSURE FLEXIBLE HOSE ........................35
HIGH-PRESSURE FLEXIBLE HOSE : Removal
and Installation .................................................... ....
35
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HA-2
LOW-PRESSURE PIPE ............................................35
LOW-PRESSURE PIPE : Removal and Installa-
tion ....................................................................... ...
35
HIGH-PRESSURE PIPE ......................................... ...36
HIGH-PRESSURE PIPE : Removal and Installa-
tion ....................................................................... ...
36
CONDENSER ....................................................38
Exploded View ..................................................... ...38
CONDENSER ......................................................... ...38
CONDENSER : Removal and Installation ..............38
LIQUID TANK ......................................................... ...38
LIQUID TANK : Removal and Installation ...............38
REFRIGERANT PRESSURE SENSOR ....................39
REFRIGERANT PRESSURE SENSOR : Remov-
al and Installation ................................................. ...
39
HEATING AND COOLING UNIT ASSEMBLY ...40
Exploded View ..................................................... ...40
HEATING AND COOLING UNIT ASSEMBLY ....... ...40
HEATING AND COOLING UNIT ASSEMBLY :
Removal and Installation .........................................
41
HEATER CORE ...................................................... ...41
HEATER CORE : Removal and Installation ............42
EVAPORATOR ....................................................... ...42
EVAPORATOR : Removal and Installation .............42
EXPANSION VALVE .............................................. ...42
EXPANSION VALVE : Removal and Installation
for Expansion Valve ............................................. ...
42
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... ...........................................
43
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ...
43
Service Data and Specification (SDS) ....................43
Revision: November 20132014 Altima NAM

HEATER AND AIR CONDITIONING SYSTEM SYMPTOMS
HA-17
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
HEATER AND AIR CONDITIONING SYSTEM SYMPTOMS
Symptom TableINFOID:0000000009463922
SYMPTOM TABLE
Symptom Reference Page
A/C system does not come on. Go to Trouble Diagnosis Procedure for A/C System. HAC-159
(manual A/C)
HAC-99
(automatic A/C)
A/C system cannot be controlled. Go to Self-diagnosis Function. HAC-139
(manual A/C)
HAC-46
(automatic A/C)
Air outlet does not change. Go to Trouble Diagnosis Procedure for Mode Door
Motor. HAC-142
(manual A/C)
HAC-73
(automatic A/C)
Mode door motor is malfunctioning.
Discharge air temperature does not change.
Go to Trouble Diagnosis Procedure for Air Mix Door
Motor. HAC-144
(manual A/C)
HAC-69
(automatic A/C driver side)
HAC-71
(automatic A/C passen-
ger side)
Air mix door motor is malfunctioning.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door
Motor. HAC-146
(manual A/C)
HAC-75
(automatic A/C)
Intake door motor is malfunctioning.
Blower motor operation is malfunctioning. Go to Trouble Diagnosis Procedure for Blower Mo-
tor. HAC-148
(manual A/C)
HAC-84
(automatic A/C)
Magnet clutch does not engage. Go to Trouble Diagnosis Procedure for Magnet
Clutch. HAC-151
(manual A/C)
HAC-87
(automatic A/C)
Insufficient cooling. Go to Trouble Diagnosis Procedure for Insufficient
Cooling. HAC-155
(manual A/C)
HAC-96
(automatic A/C)
Insufficient heating. Go to Trouble Diagnosis Procedure for Insufficient
Heating. HAC-157
(manual A/C)
HAC-98
(automatic A/C)
Noise. Go to Trouble Diagnosis Procedure for Noise. HA-20
A/C switch LED does not illuminate. Go to Trouble Diagnosis Procedure for A/C System.HAC-152 (manual A/C)
HAC-83
(automatic A/C)
Mode button LED(s) does not illuminate. Go to Trouble Diagnosis Procedure for A/C System. HAC-152
(manual A/C)
HAC-83
(automatic A/C)
Both high- and low-pressure sides are too
high. Go to Trouble Diagnosis Procedure for Abnormal
Pressure. HA-18
High-pressure side is too high and low-pres-
sure side is too low. Go to Trouble Diagnosis Procedure for Abnormal
Pressure. HA-18
High-pressure side is too low and low-pres-
sure side is too high. Go to Trouble Diagnosis Procedure for Abnormal
Pressure. HA-18
Both high- and low-pressure side some-
times becomes negative. Go to Trouble Diagnosis Procedure for Abnormal
Pressure. HA-18
Low-pressure side sometimes becomes
negative. Go to Trouble Diagnosis Procedure for Abnormal
Pressure. HA-18
Low-pressure side becomes negative.
Go to Trouble Diagnosis Procedure for Abnormal
Pressure. HA-18
Revision: November 20132014 Altima NAM