2007 INFINITI FX35 Service Manual

tyre pressure fuse chart overheating oil air condition lane assist

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS ATC-59
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AT C
Revision: 2006 July 2007 FX35/FX45
AUXILIARY MECHANISM: FOOT POSITION SETTING TRIMMER
Wind distribution ratio in FOOT mode can be set

Page 506 of 4366

INFINITI FX35 2007 Service Manual ATC-60
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Operational CheckNJS000E1
The purpose of the operational check is to check if the individual system operates properly.
CHECKING MEMORY FUNCT

ATC-60
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Operational CheckNJS000E1
The purpose of the operational check is to check if the individual system operates properly.
CHECKING MEMORY FUNCTION
1. Press the temperature control (UP) switch (driver side) until 32°C (90 °F) is displayed.
2. Press OFF switch.
3. Turn ignition switch OFF.
4. Turn ignition switch ON.
5. Press the AUTO switch.
6. Confirm that the set temperature remains at previous temperature.
7. Press OFF switch.
If NG, go to trouble diagnosis procedure for ATC-102, "
Memory Function" .
If OK, continue the check.
CHECKING BLOWER
1. Press fan (UP:+) switch. Blower should operate on low speed. The fan symbol should have one blade lit.
2. Press fan (UP:+) switch again, and continue checking blower speed and fan symbol until all speeds are checked.
3. Leave blower on max. speed.
If NG, go to trouble diagnosis procedure for AT C - 7 7 , "
Blower Motor Circuit" .
If OK, continue the check.
CHECKING DISCHARGE AIR
1. Press MODE switch and DEF switch.
2. Each position indicator should change shape.
3. Confirm that discharge air comes out according to the air distri- bution table. Refer to AT C - 3 7 , "
Discharge Air Flow" .
If NG, go to trouble diagnosis procedure for AT C - 6 8 , "
Mode Door
Motor Circuit" .
If OK, continue the check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual
inspection) and intake door position is at FRE when the D/F or DEF
is selected.
CHECKING INTAKE AIR
1. Press intake switch. Recirculation indicator should illuminate.
2. Press intake switch again. Fresh indicator should illuminate.
3. Listen for intake door position change. (Slight change of blower sound can be heard.)
If NG, go to trouble diagnosis procedure for AT C - 7 4 , "
Intake Door Motor Circuit" .
If OK, continue the check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and intake door position is at FRE
when the D/F or DEF is selected.
CHECKING TEMPERATURE DECREASE
1. Press temperature control (DOWN) switch (driver side) until 18 °C (60 °F) is displayed.
2. Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for AT C - 9 0 , "
Insufficient Cooling" .
If OK, continue the check.
CHECKING TEMPERATURE INCREASE
1. Press temperature control (UP) switch (driver side) until 32 °C (90 °F) is displayed.
Conditions : Engine running at normal operating temperature
SJIA0302E

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS ATC-61
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Revision: 2006 July 2007 FX35/FX45
2. Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for AT

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INFINITI FX35 2007 Service Manual ATC-62
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Power Supply and Ground Circuit for Auto Amp.NJS000E2
SYMPTOM: A/C system does not come on.
INSPECTION FLOW
COMPONENT DESCRIPTION
Unified

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS ATC-63
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Revision: 2006 July 2007 FX35/FX45
Potentio Temperature Control (PTC)
The PTC is built into the A/C and AV switch. It can be set at a

Page 510 of 4366

INFINITI FX35 2007 Service Manual ATC-64
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
2. CHECK GROUND CIRCUIT FOR UNIFIED METER AND A/C AMP.
1. Turn ignition switch OFF.
2. Check continuity between unified meter and A/C amp.

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS ATC-65
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Revision: 2006 July 2007 FX35/FX45
2. CHECK SIGNAL FOR UNIFIED METER AND A/C AMP.
Confirm A/C LAN signal between unified meter and

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INFINITI FX35 2007 Service Manual ATC-66
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
5. CHECK MOTOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect each door motor connector.
3. Check continuity between each door

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