INFINITI FX35 2008 Service Manual

ATC-96
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
After disconnecting intake sensor connector M254, measure resis-
tance between terminals 1 and 2 at sensor side. Refer to the table
below.
If NG, replace intake sensor.
Temperature °C ( °F) Resistance k Ω
− 15 (5) 12.34
− 10 (14) 9.62
− 5 (23) 7.56
0 (32) 6.00
5 (41) 4.80
10 (50) 3.87
15 (59) 3.15
20 (68) 2.57
25 (77) 2.12
30 (86) 1.76
35 (95) 1.47
40 (104) 1.23 45 (113) 1.04
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CONTROLLERATC-97
< SERVICE INFORMATION >
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CONTROLLER
Removal and Installation of A/C and AV SwitchINFOID:0000000001328200
REMOVAL
Refer to AV-42, "Removal and Installation for A/C and AV Switch".
INSTALLATION
Installation is basically the reverse order of removal.
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ATC-98
< SERVICE INFORMATION >
AUTO AMP
AUTO AMP
Removal and Installation of Unified Meter and A/C AmpINFOID:0000000001328201
REMOVAL
1. Remove audio unit. Refer to AV-41, "Removal and Installation of Audio Unit".
2. Remove mounting screws, and then remove unified meter and A/C amp.
INSTALLATION
Installation is basically the reverse order of removal.
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AMBIENT SENSORATC-99
< SERVICE INFORMATION >
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AMBIENT SENSOR
Removal and InstallationINFOID:0000000001328202
REMOVAL
1. Remove front grille. Refer to EI-22.
2. Disconnect ambient sensor c onnector, and then remove ambi-
ent sensor.
INSTALLATION
Installation is basically the reverse order of removal.
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ATC-100
< SERVICE INFORMATION >
IN-VEHICLE SENSOR
IN-VEHICLE SENSOR
Removal and InstallationINFOID:0000000001328203
REMOVAL
1. Remove instrument driver lower panel. Refer to IP-10.
2. Remove mounting screw, and then remove in-vehicle sensor.
INSTALLATION
Installation is basically the reverse order of removal.
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SUNLOAD SENSORATC-101
< SERVICE INFORMATION >
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SUNLOAD SENSOR
Removal and InstallationINFOID:0000000001328204
REMOVAL
1. Remove front defroster grille (RH). Refer to IP-10.
2. Disconnect sunload sensor connector, and then remove the sunload sensor.
INSTALLATION
Installation is basically the reverse order of removal.
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ATC-102
< SERVICE INFORMATION >
INTAKE SENSOR
INTAKE SENSOR
Removal and InstallationINFOID:0000000001328205
REMOVAL
1. Remove low-pressure pipe 2 and high-pressure pipe 3. Refer to ATC-133, "Removal and Installation of
Low-Pressure Pipe 2 and High-pressure Pipe 3".
CAUTION:
Cap or wrap the joint of evaporator, low-pressure pipe 1 and high-pressure pipe 2 with suitable
material such as vinyl tape to avoid the entry of air.
2. Slide evaporator to passenger side, and then remove intake sensor.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
 Replace O-rings of low-pressure pipe 1, 2 and high-p ressure pipe 2, 3 with new ones, and then apply
compressor oil to it when installing it.
 Mark the mounting position of intake sensor bracket prior to removal so that the reinstalled sensor
can be located in the same position.
 Female-side piping connection is thin and easy to deform. Slowly insert the male-side piping
straight in axial direction.
 Insert piping securely until a click is heard.
 After piping connection is comp leted, pull male-side piping by hand to make sure that connection
does not come loose.
 When recharging refrigerant, check for leaks.
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BLOWER UNITATC-103
< SERVICE INFORMATION >
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BLOWER UNIT
Removal and InstallationINFOID:0000000001328206
REMOVAL
1. Remove instrument passenger lower panel. Refer to IP-10.
2. Remove mounting nut, and then remove ECM with bracket attached.
3. Disconnect intake door motor connector and blower fan motor connector.
4. Remove harness clip from blower unit.
5. Remove mounting bolt and screws from blower unit. CAUTION:
Move blower unit rightward, and remove locating pin (1
part) and joint. Then remove blower unit downward.
6. Remove blower unit.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
Make sure locating pin (1 part) and joint are securely inserted.
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ATC-104
< SERVICE INFORMATION >
BLOWER UNIT
Disassembly and Assembly
INFOID:0000000001328207
1. Adapter 2. Intake upper case 3. Filter cover
4. In-cabin microfilter 5. Intake lower case 6. Blower motor assembly
7. Motor cover 8. Intake door lever 2 9. Intake door motor
10. Intake door link 11. Intake door lever 3 12. Intake door 2
13. Intake door lever 1 14. Intake door 1 15. Intake bell mouth
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BLOWER MOTORATC-105
< SERVICE INFORMATION >
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BLOWER MOTOR
Removal and InstallationINFOID:0000000001328208
REMOVAL
1. Remove instrument lower cover. Refer to IP-10.
2. Disconnect blower motor connector.
3. Remove mounting screws, and then remove blower motor.
INSTALLATION
Installation is basically the reverse order of removal.
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