sensor INFINITI FX35 2006 Service Manual

LT-62
AUTO LIGHT SYSTEM
Revision: 2006 December 2006 FX35/FX45
Terminals and Reference Values for BCMNKS002WI
Terminal No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
4L/B Combination switch
input 3 ON Lighting, turn, wiper
switch
(Wiper intermittent
dial position 4) OFF Approx. 0 V
Lighting switch
AUTO
Approx. 1.0 V
11 LG Ignition switch (ACC) ACC — Battery voltage
12 P/B Front door switch
(Passenger side) signal OFFFront door switch
(Passenger side) ON (open) Approx. 0 V
OFF (closed) Battery voltage
13 P/L Rear door switch RH
signal OFF Rear door switch RH ON (open) Approx. 0 V
OFF (closed) Battery voltage
14 P Optical sensor signal ON When optical sensor is illuminated
3.1 V or more
Note
When optical sensor is not illuminated 0.6 V or less
17 Y/G Optical sensor power
supply ON — Approx. 5 V
18 B Sensor ground ON — Approx. 0 V
33 G Combination switch
output 4 ON Lighting, turn, wiper
switch
(Wiper intermittent
dial position 4) OFF
Approx. 7.2 V
Lighting switch
AUTO
Approx. 1.2 V
38 W/L Ignition switch (ON) ON — Battery voltage
39 L CAN − H— — —
40 P CAN − L— — —
42 L/R Battery power supply OFF — Battery voltage
49 B Ground ON — Approx. 0 V
52 B Ground ON — Approx. 0 V
55 G Battery power supply OFF — Battery voltage
58 L Back door closure
motor (Door switch) OFF Back door switch ON (open) Approx. 0 V
OFF (closed) Battery voltage
PKIB4959J
PKIB4960J
PKIB4958J

AUTO LIGHT SYSTEM LT-63
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Revision: 2006 December 2006 FX35/FX45
NOTE:
Optical sensor must be securely subjected to work lamp light. If optical sensor is insufficiently illuminated, the measured val ue may not
satisfy standard.
Terminals and Reference Values for IPDM E/RNKS002WJ
How to Proceed With Trouble DiagnosisNKS002WK
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to LT- 5 6 , "
System Description" .
3. Perform Preliminary Check. Refer to LT- 6 4 , "
Preliminary Check" .
4. Check symptom and repair or replace the cause of malfunction. Refer to LT- 6 9 , "
Symptom Chart" .
5. Does auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END
62 W Front door switch
(Driver side) signal OFFFront door switch
(Driver side) ON (open) Approx. 0 V
OFF (closed) Battery voltage
63 P Rear door switch LH
signal OFF Rear door switch LH ON (open) Approx. 0 V
OFF (closed) Battery voltage
Terminal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
Terminal
No. Wire
color Signal name Measuring condition
Reference value
Ignition
switch Operation or condition
20 LG Headlamp low (RH) ON Lighting switch 2ND
position OFF Approx. 0 V
ON Battery voltage
22 R Parking, license,
and tail lamp ONLighting switch 1ST
position OFF Approx. 0 V
ON Battery voltage
27 BR Headlamp high (RH) ON Lighting switch HIGH
or PASS position OFF Approx. 0 V
ON Battery voltage
28 SB Headlamp high (LH) ON Lighting switch HIGH
or PASS position OFF Approx. 0 V
ON Battery voltage
30 GY Headlamp low (LH) ON Lighting switch 2ND
position OFF Approx. 0 V
ON Battery voltage
38 B Ground ON — Approx. 0 V
48 L CAN − H—— —
49 R CAN − L—— —
60 B Ground ON — Approx. 0 V

AUTO LIGHT SYSTEM LT-67
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Revision: 2006 December 2006 FX35/FX45
NOTE: 1. Vehicles without auto light system display this item, but cannot be monitored.
2. Vehicles without daytime light system display this item, but cannot be monitored.
3. This item is displayed, but cannot be monitored.
HI BEAM SW “ON/OFF”
Displays status (high beam switch: ON/Others: OFF) of high beam switch judged from
lighting switch signal.
HEAD LAMP SW 1 “ON/OFF” Displays status (headlamp switch 1: ON/Others: OFF) of headlamp switch 1 judged from
lighting switch signal.
HEAD LAMP SW 2 “ON/OFF” Displays status (headlamp switch 2: ON/Others: OFF) of headlamp switch 2 judged from
lighting switch signal.
LIGHT SW 1 ST “ON/OFF” Displays status (lighting switch 1ST or 2ND position: ON/Others: OFF) of lighting switch
judged from lighting switch signal.
AUTO LIGHT SW
NOTE 1 “ON/OFF” Displays status of lighting switch as judged from lighting switch signal. (AUTO position:
ON/Other than AUTO position: OFF)
PASSING SW “ON/OFF” Displays status (flash-to-pass switch: ON/Others: OFF) of flash-to-pass switch judged
from lighting switch signal.
FR FOG SW “ON/OFF” Displays status (front fog lamp switch: ON/Others: OFF) of front fog lamp switch judged
from lighting switch signal.
RR FOG SW
NOTE 3“OFF” —
DOOR SW - DR “ON/OFF” Displays status of driver door as judged from driver door switch signal. (Door is open: ON/
Door is closed: OFF)
DOOR SW - AS “ON/OFF” Displays status of passenger door as judged from passenger door switch signal. (Door is
open: ON/Door is closed: OFF)
DOOR SW - RR “ON/OFF” Displays status of rear door as judged from rear door switch (RH) signal. (Door is open:
ON/Door is closed: OFF)
DOOR SW - RL “ON/OFF” Displays status of rear door as judged from rear door switch (LH) signal. (Door is open:
ON/Door is closed: OFF)
BACK DOOR SW “ON/OFF” Displays status of back door as judged from back door switch signal. (Door is open: ON/
Door is closed: OFF)
TURN SIGNAL R “ON/OFF” Displays status (Turn right: ON/Others: OFF) as judged from lighting switch signal.
TURN SIGNAL L “ON/OFF” Displays status (Turn left: ON/Others: OFF) as judged from lighting switch signal.
ENGINE RUN
NOTE 2“ON/OFF” Displays status (Engine running: ON/Others: OFF) as judged from engine status signal.
PKB SW
NOTE 2“ON/OFF” Displays status (Parking brake switch: ON/Others: OFF) as judged from parking brake
switch signal.
CARGO LAMP SW
NOTE 3 “OFF” —
OPTICAL SENSOR
NOTE 1 “0 – 5 V” Displays “outside brightness (close to 5 V when light/close to 0 V when dark)” judged from
optical sensor signal.
Monitor item Contents

AUTO LIGHT SYSTEM LT-69
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Revision: 2006 December 2006 FX35/FX45
NOTE:
Perform monitoring of IPDM E/R data with ignition switch ON. When ignition switch is at ACC, the display may
not be correct.
ACTIVE TEST
Operation Procedure
1. Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
2. Touch item to be tested, and check operation.
3. Touch “START”.
4. Touch “STOP” while testing to stop the operation.
Symptom ChartNKS002WO
Lighting Switch InspectionNKS002WP
1. CHECK LIGHTING SWITCH INPUT SIGNAL
With CONSULT-II
Select “BCM” on CONSULT-II. With “HEAD LAMP” data monitor,
make sure “AUTO LIGHT SW” turns ON-OFF linked with operation
of lighting switch.
Without CONSULT-II
Refer to LT- 1 2 0 , "
Combination Switch Inspection" .
OK or NG
OK >> INSPECTION END
NG >> Check combination switch (lighting switch). Refer to LT-
120, "Combination Switch Inspection" .
Te s t i t e m CONSULT-II
screen display Description
Headlamp relay (HI, LO) output LAMPS Allows headlamp relay (HI, LO) to operate by switching operation (OFF, HI ON,
LO ON) at your option (Head lamp high beam repeats ON-OFF every 1 second).
Front fog lamp relay output Allows fog lamp relay to operate by switching operation ON-OFF at your option.
Tail lamp relay output TAIL LAMP Allows tail lamp relay to operate by switching operation ON-OFF at your option.
Trouble phenomenon Malfunction system and reference

Parking, license plate, side marker and tail lamps and
headlamps will not illuminate when outside of the vehicle
becomes dark. (Lighting switch 1ST position and 2ND posi-
tion operate normally.)

Parking, license plate, side marker and tail lamps and
headlamp will not go out when outside of the vehicle
becomes light. (Lighting switch 1ST position and 2nd posi-
tion operate normally.)

Headlamps go out when outside of the vehicle becomes
light, but parking lamps stay on.

Refer to LT- 6 6 , "WORK SUPPORT" .

Refer to LT- 6 9 , "Lighting Switch Inspection" .

Refer to LT- 7 0 , "Optical sensor System Inspection" .
If above systems are normal, replace BCM.
Shut off delay feature will not operate.

CAN communication line inspection between BCM and combina-
tion meter. Refer to BCS-14, "
CAN Communication Inspection
Using CONSULT-II (Self-Diagnosis)" .

Refer to BL-40, "Check Door Switch" .
If above system is normal, replace BCM.
When lighting switch is AUTO
position : AUTO LIGHT SW ON
PKIA7595E

LT-70
AUTO LIGHT SYSTEM
Revision: 2006 December 2006 FX35/FX45
Optical sensor System InspectionNKS002WQ
1. CHECK OPTICAL SENSOR INPUT SIGNAL
With CONSULT-II
Select “BCM” on CONSULT-II. With “HEAD LAMP” data monitor,
make sure “OPTICAL SENSOR”, check difference in the voltage
when auto light sensor is illuminated and not illuminated.
CAUTION:
Optical sensor must be securely subjected to work lamp light. If
optical sensor is insufficiently illuminated, the measured value
may not satisfy the standard.
Without CONSULT-II
1. Turn ignition switch ON.
2. Check voltage between BCM harness connector M3 terminal 14 and ground.
CAUTION:
Optical sensor must be securely subjected to work lamp light. If
optical sensor is insufficiently illuminated, the measured value
may not satisfy the standard.
OK or NG
OK >> INSPECTION END
NG >> GO TO 2.
2. CHECK OPTICAL SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and optical sensor connector.
3. Check continuity (open circuit) between BCM harness connector M3 terminal 17 and optical sensor harness connector M37 ter-
minal 1.
4. Check continuity (short circuit) between BCM harness connector M3 terminal 17 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector. Illuminated
OPTICAL SENSOR : 3.1 V or more
Not illuminated
OPTICAL SENSOR : 0.6 V or less
Illuminated
OPTICAL SENSOR : 3.1 V or more
Not illuminated
OPTICAL SENSOR : 0.6 V or less
PKIA7596E
PKIB6163E
17 – 1 : Continuity should exist.
17 – Ground : Continuity should not exist.
SKIA5891E

AUTO LIGHT SYSTEM LT-71
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3. CHECK OPTICAL SENSOR SIGNAL CIRCUIT
1. Check continuity (open circuit) between BCM harness connector M3 terminal 14 and optical sensor harness connector M37 ter-
minal 2.
2. Check continuity (short circuit) between BCM harness connector M3 terminal 14 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.
4. CHECK OPTICAL SENSOR GROUND CIRCUIT
1. Check continuity (open circuit) between BCM harness connector M3 terminal 18 and optical sensor harness connector M37 ter-
minal 3.
2. Check continuity (short circuit) between BCM harness connector M3 terminal 18 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK OPTICAL SENSOR VOLTAGE
1. Connect BCM connector.
2. Turn ignition switch ON.
3. Check voltage between BCM harness connector M3 terminal 17 and ground.
OK or NG
OK >> Replace optical sensor.
NG >> Replace BCM. Refer to BCS-15, "
Removal and Installa-
tion of BCM" .
14 – 2 : Continuity should exist.
14 – Ground : Continuity should not exist.
SKIA5892E
18 – 3 : Continuity should exist.
18 – Ground : Continuity should not exist.
SKIA5893E
17 – Ground : Approx. 5 V
SKIA5894E

LT-72
AUTO LIGHT SYSTEM
Revision: 2006 December 2006 FX35/FX45
Removal and Installation of Optical SensorNKS002WR
REMOVAL
1. Insert a screwdriver or similar tool and remove front defroster grill (LH). Refer to IP-15, "
(U) Front Defroster Grille (RH/LH)" .
2. Disconnect optical sensor connector.
3. Remove optical sensor.
INSTALLATION
Installation is the reverse order of removal.
PKIA5275E

LU-8
[VQ35DE]
ENGINE OIL
Revision: 2006 December 2006 FX35/FX45

Crankshaft oil seals (front and rear)

Camshaft position sensor (PHASE)
OIL PRESSURE CHECK
WARNING:

Be careful not to get burn yourself, as engine oil may be hot.

Oil pressure check should be done in “Parking position”.
1. Check the engine oil level. Refer to LU-7, "
ENGINE OIL LEVEL" .
2. Remove front engine undercover with power tool.
3. Disconnect harness connector at oil pressure sensor, and remove oil pressure sensor using deep socket (commercial ser-
vice tool).
CAUTION:
Do not drop or shock oil pressure switch.
4. Install the oil pressure gauge (SST) and hose (SST).
5. Start the engine and warm it up to normal operating temperature.
6. Check the engine oil pressure with engine running under no-load. NOTE:
When the engine oil temperature is low, the engine oil pressure becomes high.
Engine oil pressure [Engine oil temperature at 80 °C (176 °F)]
If difference is extreme, check engine oil passage and oil pump for engine oil leaks.
7. After the inspections, install oil pressure switch as follows:
SBIA0452E
SBIA0453E
SLC926
Engine speed (rpm) Approximate discharge pressure [kPa (kg/cm2 , psi)]
Idle speed More than 98 (1.0, 14) 2,000 More than 294 (3.0, 43)

LU-12
[VQ35DE]
OIL FILTER BRACKET (AWD)
Revision: 2006 December 2006 FX35/FX45
OIL FILTER BRACKET (AWD)PFP:15238
ComponentsNBS003J3
Removal and InstallationNBS003J4
REMOVAL
WARNING:
Be careful not to get burn yourself, as engine oil may be hot.
1. Remove front engine undercover with power tool.
2. Using the oil filter wrench [SST: KV10115801 (J38956)], remove oil filter. Refer to LU-10, "
OIL FILTER" .
CAUTION:
Do not spill engine oil on drive belt.
3. Remove oil cooler connector bolt, and then oil cooler with water hoses connected.
4. Disconnect oil temperature sensor and oil pressure switch harness connectors.
5. Remove oil filter bracket from oil pan (upper).
6. Remove oil temperature sensor and oil pressure switch from oil filter bracket.
INSTALLATION
Note the following, and install in the reverse order of removal.

Install oil pressure switch and oil temperature sensor as follows:
–Remove old liquid gasket adhering to oil pressure switch and oil filter bracket.
–Apply liquid gasket and install oil pressure switch, and then oil temperature sensor with a new washer.
Use Genuine RTV Silicone Sealant or equivalent. Refer to GI-48, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .

Align cutout on oil cooler with protrusion on oil filter bracket. Refer to LU-16, "INSTALLATION" .
1. Oil filter 2. Connector bolt 3. Oil cooler
4. O-ring 5. Relief valve 6. Oil filter bracket
7. Gasket 8. Oil pressure switch 9. Oil temperature sensor
10. Washer 11. Oil pan (upper)
SBIA0593E

ENGINE MAINTENANCE (VK45DE ENGINE) MA-25
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5. Rev engine two or three times under no-load.
6. Stop engine and wait until it cools down.
7. Drain water from the system. Refer to MA-23, "
DRAINING ENGINE COOLANT" .
8. Repeat steps 1 through 7 until clear water begins to drain from radiator.
Checking Fuel LinesNLS0006F
Inspect fuel lines, fuel filler cap and fuel tank for improper attach-
ment, leaks, cracks, damage, loose connections, chafing or deterio-
ration.
If necessary, repair or replace damaged parts.
Changing Air Cleaner FilterNLS0006G
VISCOUS PAPER TYPE
The viscous paper type filter does not need cleaning between replacement intervals. Refer to MA-7,
"PERIODIC MAINTENANCE" .
1. Remove air duct (inlet), air cleaner case and mass air flow sensor assembly. Refer to EM-177, "
AIR
CLEANER AND AIR DUCT" .
2. Remove air cleaner filter from air cleaner case.
Changing Engine OilNLS0006H
WARNING:

Be careful not to burn yourself, as engine oil may be hot.

Prolonged and repeated contact with used engine oil may cause skin cancer; try to avoid direct
skin contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand
cleaner as soon as possible.
1. Remove front engine undercover with power tool.
2. Warm up engine, put vehicle horizontally and check for engine oil leakage from engine components. Refer to LU-25, "
ENGINE OIL LEAKAGE" .
3. Stop engine and wait for 15 minutes.
4. Loosen oil filler cap, and then remove drain plug.
5. Drain engine oil.
6. Install drain plug with new washer. Refer to EM-187, "
OIL PAN
AND OIL STRAINER" .
CAUTION:
Be sure to clean drain plug and install with new washer.
7. Refill with new engine oil. Engine oil specification and viscosity:
Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
SMA803A
Oil pan drain plug:
: 34.3 N·m (3.5 kg-m, 25 ft-lb)
PBIC0993E