2007 INFINITI FX35 wheel

DTC P1568 ICC FUNCTION EC-1205
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Revision: 2006 July 2007 FX35/FX45
DTC P1568 ICC FUNCTIONPFP:18995
On Board Diagnosis LogicNBS004E7
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
NOTE:

If DTC P1568 is displayed with DTC U1000 or U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-820, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .

If DTC P1568 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-823, "
DTC U1010 CAN COMMUNICATION" .

If DTC P1568 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-1148, "
DTC P0605 ECM"
DTC Confirmation ProcedureNBS004E8
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 4 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Press MAIN switch on ICC steering switch.
4. Drive the vehicle at more than 40 km/h (25 MPH).
5. Press SET/COAST switch.
6. If DTC is detected, go to EC-1205, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic ProcedureNBS004E9
1. REPLACE ICC UNIT
1. Replace ICC unit.
2. Perform ACS-11, "
ACTION TEST" .
3. Check DTC of ICC unit. Refer to ACS-42, "
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS" .
>> INSPECTION END
DTC No. Trouble Diagnosis
Name DTC Detecting Condition Possible Cause
P1568
1568 ICC function ECM detects a difference between signals
from ICC unit is out of specified range.

Harness or connectors
(The CAN communication line is open or
shorted.)

ICC unit

ECM
SEF058Y

DTC P1572 ICC BRAKE SWITCH EC-1207
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Revision: 2006 July 2007 FX35/FX45
DTC Confirmation ProcedureNBS004ED
CAUTION:
Always drive vehicle at a safe speed.
NOTE:

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait
at least 10 seconds before conducting the next test.

Procedure for malfunction B is not described here. It takes extremely long time to complete procedure for
malfunction B. By performing procedure for malfunction A, the incident that causes malfunction B can be
detected.
TESTING CONDITION:
Steps 4 and 5 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (VDC switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Press MAIN switch and make sure that CRUISE lamp lights up.
4. Drive the vehicle for at least 5 consecutive seconds under the following conditions.
If 1st trip DTC is detected, go to EC-1209, "
Diagnostic Proce-
dure" .
If 1st trip DTC is not detected, go to the following step.
5. Drive the vehicle for at least 5 consecutive seconds under the following conditions.
6. If 1st trip DTC is detected, go to EC-1209, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
VHCL SPEED SE More than 30 km/h (19 MPH)
Selector lever Suitable position
PBIB2386E
VHCL SPEED SE More than 30 km/h (19 MPH)
Selector lever Suitable position
Driving location Depress the brake pedal for more than
five seconds so as not to come off from
the above-mentioned vehicle speed.

EC-1216
[VK45DE]
DTC P1572 ASCD BRAKE SWITCH
Revision: 2006 July 2007 FX35/FX45
DTC Confirmation ProcedureNBS004EK
CAUTION:
Always drive vehicle at a safe speed.
NOTE:

If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait
at least 10 seconds before conducting the next test.

Procedure for malfunction B is not described here. It takes extremely long time to complete procedure for
malfunction B. By performing procedure for malfunction A, the incident that causes malfunction B can be
detected.
TESTING CONDITION:
Steps 4 and 5 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a
road test is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (VDC switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Press MAIN switch and make sure that CRUISE lamp lights up.
4. Drive the vehicle for at least 5 consecutive seconds under the following conditions.
If 1st trip DTC is detected, go to EC-1218, "
Diagnostic Proce-
dure" .
If 1st trip DTC is not detected, go to the following step.
5. Drive the vehicle for at least 5 consecutive seconds under the following conditions.
6. If 1st trip DTC is detected, go to EC-1218, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
VHCL SPEED SE More than 30 km/h (19 MPH)
Selector lever Suitable position
PBIB2386E
VHCL SPEED SE More than 30 km/h (19 MPH)
Selector lever Suitable position
Driving location Depress the brake pedal for more than
five seconds so as not to come off from
the above-mentioned vehicle speed.

DTC P1574 ICC VEHICLE SPEED SENSOR EC-1223
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Revision: 2006 July 2007 FX35/FX45
DTC P1574 ICC VEHICLE SPEED SENSORPFP:31036
Component DescriptionNBS004EO
The ECM receives two vehicle speed signals via CAN communication line. One is sent from “unified meter and
A/C amp.”, and the other is from TCM (Transmission control module). The ECM uses these signals for ICC
control. Refer to ACS-6, "
DESCRIPTION" for ICC functions.
On Board Diagnosis LogicNBS004EP
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
NOTE:

If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-820, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .

If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-823, "
DTC U1010 CAN COMMUNICATION" .

If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500.
Refer to EC-1133, "
DTC P0500 VSS" .

If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-1148, "
DTC P0605 ECM".
DTC Confirmation ProcedureNBS004EQ
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (VDC switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Drive the vehicle at more than 40 km/h (25MPH).
4. If DTC is detected, go to EC-1224, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis
name DTC detecting condition Possible cause
P1574
1574 ICC vehicle speed
sensor ECM detects a difference between two vehicle
speed signals is out of the specified range.

Harness or connectors
(The CAN communication line is open or
shorted.)

Unified meter and A/C amp.

ABS actuator and electric unit (control unit)

Wheel sensor

TCM

ECM
PBIB2673E

DTC P1574 ASCD VEHICLE SPEED SENSOR EC-1225
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Revision: 2006 July 2007 FX35/FX45
DTC P1574 ASCD VEHICLE SPEED SENSORPFP:31036
Component DescriptionNBS004ES
The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from “unified
meter and A/C amp.”, and the other is from TCM (Transmission control module). The ECM uses these signals
for ASCD control. Refer to EC-697, "
AUTOMATIC SPEED CONTROL DEVICE (ASCD)" for ASCD functions.
On Board Diagnosis LogicNBS004ET
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
NOTE:

If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-820, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .

If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-823, "
DTC U1010 CAN COMMUNICATION" .

If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500.
Refer to EC-1133, "
DTC P0500 VSS"

If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-1148, "
DTC P0605 ECM"
DTC Confirmation ProcedureNBS004EU
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine (VDC switch OFF).
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Drive the vehicle at more than 40 km/h (25 MPH).
4. If DTC is detected, go to EC-1226, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No. Trouble diagnosis
name DTC detecting condition Possible cause
P1574
1574 ASCD vehicle speed
sensor ECM detects a difference between two vehicle
speed signals is out of the specified range.

Harness or connectors
(The CAN communication line is open or
shorted.)

Unified meter and A/C amp.

ABS actuator and electric unit (control unit)

Wheel sensor

TCM

ECM
PBIB2673E

EC-1366
[VK45DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 July 2007 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
Fuel PressureNBS004I1
Idle Speed and Ignition TimingNBS004I2
*: Under the following conditions:

Air conditioner switch: OFF

Electric load: OFF (Lights, heater fan & rear window defogger)

Steering wheel: Kept in straight-ahead position
Calculated Load ValueNBS004I3
Mass Air Flow SensorNBS004I4
*: Engine is warmed up to normal operating temperature and running under no load.
Intake Air Temperature SensorNBS004I5
Engine Coolant Temperature SensorNBS004I6
Fuel Tank Temperature SensorNBS004I7
Crankshaft Position Sensor (POS)NBS004I8
Refer to EC-1037, "Component Inspection" .
Camshaft Position Sensor (PHASE)NBS004I9
Refer to EC-1044, "Component Inspection" .
A/F Sensor 1 HeaterNBS004LW
Fuel pressure at idling kPa (kg/cm2 , psi) Approximately 350 (3.57, 51)
Target idle speed No load* (in P or N position) 650
±50 rpm
Air conditioner: ON In P or N position 700 rpm or more
Ignition timing In P or N position 12 ° ± 5 ° BTDC
Condition Calculated load value% (Using CONSULT-II or GST)
At idle 14.0 - 33.0
At 2,500 rpm 12.0 - 25.0
Supply voltageBattery voltage (11 - 14V)
Output voltage at idle 1.0 - 1.3V*
Mass air flow (Using CONSULT-II or GST) 2.0 - 6.0 g·m/sec at idle*
7.0 - 20.0 g·m/sec at 2,500 rpm*
Temperature °C ( °F) Resistance k Ω
25 (77) 1.800 - 2.200
Temperature °C ( °F) Resistance k Ω
20 (68) 2.1 - 2.9
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
Temperature °C ( °F) Resistance k Ω
20 (68) 2.3 - 2.7
50 (122) 0.79 - 0.90
Resistance [at 25°C (77 °F)] 2.3 - 4.3 Ω

EI-46
LUGGAGE FLOOR TRIM
Revision: 2006 July 2007 FX35/FX45
REMOVAL
1. Remove tonneau cover.
2. Remove luggage side hook and remove net hook (RH/LH).
3. Remove luggage floor board assembly. Remove bolt with power tool.
4. Remove luggage floor side board assembly (RH/LH).
5. Remove back door weather strip.
6. Remove rear plate assembly.
7. Remove roof rear garnish assembly.
8. Remove luggage floor cover assembly (RH/LH).
9. Remove rear door kicking plate (RH/LH).
10. Remove rear body side welt.
11. Remove rear seat cushion and seatback. Refer to SE-104, "
Removal and Installation" .
12. Remove rear wheel house finisher assembly (RH/LH).
13. Remove luggage side finisher assembly bolt and remove luggage side finisher assembly (RH/LH).
14. Remove bolt, and then remove parcel shelf holder.
15. Remove rear parcel shelf cap.
16. Remove bolt, and then remove rear parcel hook.
17. Remove rear seat belt anchor (RH/LH). Refer to SB-6, "
Removal and Installation of Rear Seat Belt" .
18. Remove rear pillar upper garnish assembly cap and bolt, then remove rear pillar upper garnish assembly (RH/LH).
19. Remove spare tire clamp.
20. Remove sub-woofer box connector and remove sub-woofer box.
21. Remove spare tire.
22. Remove towing hook, wheel nut wrench, spanner, tire stopper, jack rod and jack complete.
23. Remove luggage side box bolt and luggage side box assembly (RH/LH).
INSTALLATION
Install in the reverse order of removal.
1. Roof rear garnish assembly 2. Rear pillar upper garnish assembly (LH) 3. Bolt
4. Cap 5. Luggage floor cover assembly (RH) 6. Luggage floor cover assembly (LH)
7. Luggage floor side board assembly (LH) 8. Rear wheel house finisher assembly
(LH) 9. Luggage side finisher assembly
(LH)
10. Clamp 11. Sub woofer box 12. Spare tire
13. Luggage side box (LH) 14. Rear plate assembly 15. Luggage side box (RH)
16. Cap 17. Luggage floor board assembly 18. Luggage floor board assembly (option for Canada)
19. Luggage floor side board assembly (RH) 20. Net hook 21. Luggage side finisher assembly
(RH)
22. Rear parcel shelf hook 23. Rear parcel shelf cap 24. Rear parcel shelf holder
25. Rear wheel house finisher assembly (RH) 26. Rear pillar upper garnish assembly
(RH) 27. Luggage finisher mask (RH)
28. Luggage finisher mask (LH) 29. Tonneau cover 30. Net
31. Luggage floor center front board (Run flat type) 32. Luggage floor center rear board
(Run flat type) 33. Luggage floor box assembly
(Run flat type)
Clip Pawl Metal clip

EM-1
ENGINE MECHANICAL
B ENGINE
CONTENTS
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SECTION
A
EM
Revision: 2006 July 2007 FX35/FX45
ENGINE MECHANICAL
VQ35DE
PRECAUTIONS .......................................................... 5
Precautions Necessary for Steering Wheel Rotation
After Battery Disconnect ..................................... ..... 5
OPERATION PROCEDURE ............................ ..... 5
Precautions for Drain Engine Coolant and Engine
Oil ........................................................................ ..... 5
Precautions for Disconnecting Fuel Piping ......... ..... 5
Precautions for Removal and Disassembly ........ ..... 5
Precautions for Inspection, Repair and Replace-
ment .................................................................... ..... 5
Precautions for Assembly and Installation .......... ..... 5
Precautions for Angle Tightening ........................ ..... 6
Precautions for Liquid Gasket ............................. ..... 6
REMOVAL OF LIQUID GASKET SEALING ..... ..... 6
LIQUID GASKET APPLICATION PROCEDURE ..... 6
PREPARATION ...................................................... ..... 8
Special Service Tools .......................................... ..... 8
Commercial Service Tools ................................... ... 10
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ... 13
NVH Troubleshooting — Engine Noise ............... ... 13
Use the Chart Below to Help You Find the Cause
of the Symptom. .................................................. ... 14
DRIVE BELTS ........................................................ ... 15
Checking Drive Belts ........................................... ... 15
Tension Adjustment ............................................. ... 15
ALTERNATOR AND POWER STEERING OIL
PUMP BELT ..................................................... ... 16
A/C COMPRESSOR BELT .............................. ... 16
Removal and Installation ..................................... ... 16
REMOVAL ........................................................ ... 16
INSTALLATION ................................................ ... 16
AIR CLEANER AND AIR DUCT ............................ ... 17
Components ........................................................ ... 17
Removal and Installation ..................................... ... 17
REMOVAL ........................................................ ... 17
INSPECTION AFTER REMOVAL .................... ... 17 INSTALLATION ................................................
... 18
Changing Air Cleaner Filter ................................. ... 18
INSPECTION ................................................... ... 18
REMOVAL ........................................................ ... 18
INSTALLATION ................................................ ... 18
INTAKE MANIFOLD COLLECTOR ....................... ... 19
Components ........................................................ ... 19
Removal and Installation ..................................... ... 19
REMOVAL ........................................................ ... 19
INSPECTION AFTER REMOVAL .................... ... 21
INSTALLATION ................................................ ... 22
INTAKE MANIFOLD .............................................. ... 24
Components ........................................................ ... 24
Removal and Installation ..................................... ... 24
REMOVAL ........................................................ ... 24
INSPECTION AFTER REMOVAL .................... ... 25
INSTALLATION ................................................ ... 25
EXHAUST MANIFOLD AND THREE WAY CATA-
LYST ....................................................................... ... 26
Components ........................................................ ... 26
Removal and Installation ..................................... ... 26
REMOVAL ........................................................ ... 26
INSPECTION AFTER REMOVAL .................... ... 28
INSTALLATION ................................................ ... 28
OIL PAN AND OIL STRAINER .............................. ... 30
Components (2WD Models) ................................ ... 30
Removal and Installation (2WD Models) ............. ... 30
REMOVAL ........................................................ ... 30
INSPECTION AFTER REMOVAL .................... ... 32
INSTALLATION ................................................ ... 32
INSPECTION AFTER INSTALLATION ............. ... 35
Components (AWD Models) ................................ ... 35
Removal and Installation (AWD Models) ............. ... 36
REMOVAL ........................................................ ... 36
INSPECTION AFTER REMOVAL .................... ... 38
INSTALLATION ................................................ ... 38
INSPECTION AFTER INSTALLATION ............. ... 41