2007 INFINITI FX35 check engine

STARTING SYSTEM SC-17
C
D E
F
G H
I
J
L
M A
B
SC
Revision: 2006 July 2007 FX35/FX45
DIAGNOSTIC PROCEDURE 2
Check “S” Connector Circuit
1. CHECK POWER SUPPLY FOR STARTER MOTOR “S” TERMINAL
1. Remove fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn ignition switch OFF.
4. Disconnect starter motor connector.
5. Check voltage between starter motor harness connector E312 (VK45DE) or F33 (VQ35DE) terminal 1 and ground.
OK or NG
OK >> “S” connector circuit is OK. Further inspection neces- sary. Refer to SC-15, "
WORK FLOW" .
NG >> Check the following.

40A fusible link (letter F , located in fuse and fusible
link box)

Ignition switch

Starter relay (within the IPDM E/R)

Harness for open or short
MINIMUM SPECIFICATION OF CRANKING VOLTAGE REFERENCING COOLANT TEMPERA-
TURE
1 – Ground
When ignition switch is in
START position : Battery voltage
PKIB8796E
Engine coolant temperature Voltage [V]
− 30 °C to −20 °C ( −22 °F to −4°F) 8.4
− 19 °C to −10 °C ( −2°F to 14 °F) 8.9
− 9°C to 0 °C (16 °F to 32 °F) 9.3
More than 1 °C (More than 34 °F) 9.7

STARTING SYSTEM SC-23
C
D E
F
G H
I
J
L
M A
B
SC
Revision: 2006 July 2007 FX35/FX45
VQ35DE ENGINE MODELS (AWD) (S114-881)
Inspection After DisassemblyNKS004OU
PINION/CLUTCH CHECK
1. Inspect pinion teeth.

Replace pinion if teeth are worn or damaged. (Also check condition of ring gear teeth.)
2. Inspect reduction gear teeth.

Replace reduction gear if teeth are worn or damaged. (Also check condition of armature shaft gear
teeth.)
3. Check to see if pinion locks in one direction and rotates smoothly in the opposite direction.

If it locks or rotates in both directions, or unusual resistance is evident, replace.
1. Magnetic switch assembly 2. Dust cover kit 3. Shift lever set
4. Center bracket (A) 5. Yoke assembly 6. Armature assembly
7. Brush holder assembly 8. Thrust washer 9. Rear cover assembly
10. Shaft gear assembly 11. Packing 12. Thrust washer
13. Center bracket (P) 14. E-ring 15. Pinion assembly
16. Ball bearing 17. Caul 18. Gear case assembly
(H): High-temperature grease point
PKID0695E

CHARGING SYSTEM SC-27
C
D E
F
G H
I
J
L
M A
B
SC
Revision: 2006 July 2007 FX35/FX45
Trouble Diagnosis with Battery/Starting/Charging System Tester (Charging)NKS002UX
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter and alternator test segments must be done
as a set from start to finish.
Before starting, perform the preliminary inspection. Refer to SC-30, "
PRELIMINARY INSPECTION" .
1. Turn off all loads on the vehicle electrical system.
2. Perform battery and starting system test with Battery/Starting/ Charging system tester.
3. Press “ENTER” to begin the charging system test.
4. Start engine.
5. Press “ENTER” until “LOADS OFF REV ENGINE 5 SEC” is dis- played.
6. Raise and hold the engine speed at 1,500 to 2,000 rpm for about 5 seconds, then return the engine to idle.
Once the increase in engine rpm is detected, press “ENTER” to
continue.
NOTE:

If after 30 seconds an increase in engine idle speed is not
detected, “RPM NOT DETECTED” will display.

Some engines may have a higher idle initially after starting,
particularly when the engine is cold. The tester may detect
this without any other action being taken. If this occurs, con-
tinue on with the testing process. The final results will not be affected.
7. The tester now checks the engine at idle and performs the “DIODE/RIPPLE” check.
8. When complete, the tester will prompt you to turn on the follow- ing electrical loads.

Heater fan set to highest speed. Do not run the A/C or wind-
shield defroster.

Headlamp high beam

Rear window defogger
NOTE:
Do not run the windshield wipers or any other cyclical loads.
9. Press “ENTER” to continue.
SEL417X
SEL418X
SEL419X
SEL420X

CHARGING SYSTEM SC-33
C
D E
F
G H
I
J
L
M A
B
SC
Revision: 2006 July 2007 FX35/FX45
DIAGNOSTIC PROCEDURE 4
Check “B” Terminal Circuit
1. CHECK “B” TERMINAL CONNECTION
1. Turn ignition switch OFF.
2. Check if “B” terminal is clean and tight.
OK or NG
OK >> GO TO 2.
NG >> Repair “B” terminal connection. Confirm repair by performing complete Battery/Starting/Charging system test.
2. CHECK ALTERNATOR “B” TERMINAL CIRCUIT
Check voltage between alternator “B” terminal E307 terminal 1 and
ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following.

Harness for open between alternator and fusible link
(VK45DE and VQ35DE AWD)

Harness for open between alternator and battery
(VQ35DE 2WD)
3. CHECK “B” TERMINAL CONNECTION (VOLTAGE DROP TEST)
1. Start engine.
2. When engine running at idle and warm, check voltage between alternator “B” terminal E307 terminal 1 and battery positive ter-
minal.
OK or NG
OK >> Go to SC-29, "WORK FLOW" .
NG >> Check harness between battery and alternator for poor continuity.
1 – Ground : Battery voltage
PKIB8809E
1 – Battery positive terminal : Less than 0.2 V
PKIB8810E

CHARGING SYSTEM SC-35
C
D E
F
G H
I
J
L
M A
B
SC
Revision: 2006 July 2007 FX35/FX45
ALTERNATOR PULLEY INSPECTION
Perform the following.

Make sure that alternator pulley does not rattle.

Make sure that alternator pulley nut is tight.
INSTALLATION
Installation is the reverse order of removal.

Install alternator, and check tension of belt. Refer to EM-174, "Checking Drive Belts" .
CAUTION:
Be sure to tighten “B” terminal nut carefully.
Removal and Installation (VQ35DE Engine Models)NKS004OT
REMOVAL
1. Disconnect the battery cable from the negative terminal.
2. Remove engine front undercover, using power tools.
3. Remove alternator and power steering oil pump belt. Refer to EM-16, "
Removal and Installation" .
4. Disconnect alternator connector.
5. Remove “B” terminal nut.
6. Remove harness clip and water hose bracket from alternator. Alternator pulley nut:
: 73.5 N·m (7.5 kg-m, 54 ft-lb)
1. B terminal nut 2. B terminal harness 3. Alternator connector
4. Alternator mounting bolt 5. Alternator stay mounting bolt 6. Alternator stay
7. Alternator
: N·m (kg-m, ft-lb) : Engine front
PKIB8815E
PKIA2358E

SE-6
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Revision: 2006 July 2007 FX35/FX45
DUPLICATE THE NOISE AND TEST DRIVE
If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or location of the noise. This information can be used to
duplicate the same conditions when you confirm the repair.
If the noise can be duplicated easily during the test drive, to help identify the source of the noise, try to dupli-
cate the noise with the vehicle stopped by doing one or all of the following:
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle “twist”.
5) At idle, apply engine load (electrical load, half-clutch on M/T model, drive position on A/T model).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.

Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.

If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the
vehicle body.
CHECK RELATED SERVICE BULLETINS
After verifying the customer concern or symptom, check ASIST for Technical Service Bulletins (TSBs) related
to that concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.
LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE
1. Narrow down the noise to a general area. To help pinpoint the source of the noise, use a listening tool (Chassis Ear: J-39570,Engine Ear and mechanics stethoscope).
2. Narrow down the noise to a more specific area and identify the cause of the noise by:

removing the components in the area that you suspect the noise is coming from.
Do not use too much force when removing clips and fasteners, otherwise clips and fastener can be broken
or lost during the repair, resulting in the creation of new noise.

tapping or pushing/pulling the component that you suspect is causing the noise.
Do not tap or push/pull the component with excessive force, otherwise the noise will be eliminated only
temporarily.

feeling for a vibration with your hand by touching the component(s) that you suspect is (are) causing the
noise.

placing a piece of paper between components that you suspect are causing the noise.

looking for loose components and contact marks.
Refer to SE-7, "
Generic Squeak and Rattle Troubleshooting" .
REPAIR THE CAUSE

If the cause is a loose component, tighten the component securely.

If the cause is insufficient clearance between components:
–separate components by repositioning or loosening and retightening the component, if possible.
–insulate components with a suitable insulator such as urethane pads, foam blocks, felt cloth tape or ure-
thane tape. A Nissan Squeak and Rattle Kit (J-43980) is available through your authorized Nissan Parts
Department.
CAUTION:
Do not use excessive force as many components are constructed of plastic and may be damaged.
NOTE:
Always check with the Parts Department for the latest parts information.
The following materials are contained in the Nissan Squeak and Rattle Kit (J-43980). Each item can be
ordered separately as needed.
URETHANE PADS [1.5 mm (0.059 in) thick]
Insulates connectors, harness, etc.
76268-9E005: 100 × 135 mm (3.94 × 5.31 in)/76884-71L01: 60 × 85 mm (2.36 × 3.35 in)/76884-71L02:15 ×
25 mm (0.59 × 0.98 in)
INSULATOR (Foam blocks)
Insulates components from contact. Can be used to fill space behind a panel.
73982-9E000: 45 mm (1.77 in) thick, 50 × 50 mm (1.97 × 1.97 in)/73982-50Y00: 10 mm (0.39 in) thick, 50
× 50 mm (1.97 × 1.97 in)

TRANSFER FLUID TF-9
C E F
G H
I
J
K L
M A
B
TF
Revision: 2006 July 2007 FX35/FX45
TRANSFER FLUIDPFP:31001
ReplacementNDS0009S
DRAINING
1. Run the vehicle to warm up the transfer unit sufficiently.
2. Stop the engine, and remove the drain plug to drain the transfer fluid.
3. Apply sealant to drain plug. Install drain plug on transfer and tighten to the specified torque. Refer to TF-45, "
COMPO-
NENTS" .

Use Genuine Silicone RTV or equivalent. Refer to GI-48,
"Recommended Chemical Products and Sealants" .
FILLING
1. Remove filler plug and add transfer fluid until fluid level reaches
the specified limit near filler plug mounting hole.
CAUTION:
Carefully fill the fluid. (Fill up for approx. 3 minutes.)
2. Leave the vehicle for 3 minutes, and check the fluid level again.
3. Set a new gasket onto filler plug and install it on transfer and tighten to the specified torque. Refer to TF-45, "
COMPO-
NENTS" .
CAUTION:
Do not reuse gasket.
InspectionNDS0009T
FLUID LEAKAGE AND FLUID LEVEL
1. Check fluid level from filler plug mounting hole as shown in the figure.
2. Before installing filler plug, set a new gasket. Install filler plug on transfer and tighten to the specified torque. Refer to TF-45,
"COMPONENTS" .
CAUTION:
Do not reuse gasket.
SDIA2087E
Fluid capacity
: Approx. 1.25 (2-5/8 US pt, 2-1/4 lmp pt)
SDIA2028E
SDIA2028E

TF-12
AWD SYSTEM
Revision: 2006 July 2007 FX35/FX45
AWD WARNING LAMP
Turns ON when there is a malfunction in AWD system. It indicates that fail-safe mode is engaged and vehicle
change to rear-wheel drive or shifting driving force-AWD (Front-wheels still have some driving torque).
Also turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately for 1
seconds after the engine starts if system is normal.
AWD Warning Lamp Indication
System DiagramNDS0009W
Condition AWD warning lamp
Lamp check Turns ON when ignition switch is turned ON. Turns OFF
approx. 1 second after engine start.
AWD system malfunction ON
Protection function is activated due to heavy load to electric con-
trolled coupling. (AWD system is not malfunctioning and AWD system
changes to 2WD mode.) Rapid flashing: 2 times/second
(Flashing in approx. 1 minute and then turning OFF.)
Large difference in diameter of front/rear tires Slow flashing: 1 time/2 seconds
(Continuing to flash until turning ignition switch OFF)
Other than above (system normal) OFF
SDIA2160E