fog light INFINITI FX35 2008 User Guide

BASIC SERVICE PROCEDUREEC-663
< SERVICE INFORMATION > [VK45DE]
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1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON and wait at least 2 seconds.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON and wait at least 2 seconds.
5. Turn ignition switch OFF and wait at least 10 seconds.
Throttle Valve Closed Position LearningINFOID:0000000001326520
DESCRIPTION
Throttle Valve Closed Position Learning is an operation to l
earn the fully closed position of the throttle valve by
monitoring the throttle position sensor output signal . It must be performed each time harness connector of
electric throttle control ac tuator or ECM is disconnected.
OPERATION PROCEDURE
1. Make sure that accelerator pedal is fully released.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operating sound.
Idle Air Volume LearningINFOID:0000000001326521
DESCRIPTION
Idle Air Volume Learning is an operation to learn the idle air volume that keeps each engine within the specific
range. It must be performed under any of the following conditions:
 Each time electric throttle control actuator or ECM is replaced.
 Idle speed or ignition timing is out of specification.
PREPARATION
Before performing Idle Air Volume Learning, make sure that all of the following conditions are satisfied.
Learning will be cancelled if any of the following conditions are missed for even a moment.
 Battery voltage: More than 12.9V (At idle)
 Engine coolant temperature: 70 - 99 °C (158 - 210 °F)
 PNP switch: ON
 Electric load switch: OFF (Air conditioner, headlamp, rear window defogger)
On vehicles equipped with daytime light systems, if the parking brake is applied before the engine is
started the headlamp will not be illuminated.
 Steering wheel: Neutral (Straight-ahead position)
 Vehicle speed: Stopped
 Transmission: Warmed-up
- With CONSULT-III: drive vehicle unt il “ATF TEMP SE 1” in “DATA MONITOR” mode of “A/T” system indi-
cates less than 0.9V.
- Without CONSULT-III: driv e vehicle for 10 minutes.
OPERATION PROCEDURE
With CONSULT-III
1. Perform EC-662, "Accelerator Pedal Released Position Learning".
2. Perform EC-663, "
Throttle Valve Closed Position Learning".
3. Start engine and warm it up to normal operating temperature.
4. Check that all items listed under the topic PREP ARATION (previously mentioned) are in good order.
5. Select “IDLE AIR VOL LEA RN” in “WORK SUPPORT” mode.
6. Touch “START” and wait 20 seconds.
7. Make sure that “CMPLT” is displayed on CONSULT-III screen. If “CMPLT” is not displayed, Idle Air Vol-
ume Learning will not be carried out successfully. In this case, find the cause of the incident by referring to
the DIAGNOSTIC PROCEDURE below.
8. Rev up the engine two or three times and make sure that idle speed and ignition timing are within the specifications.
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EC-700
< SERVICE INFORMATION >[VK45DE]
TROUBLE DIAGNOSIS
FUEL T/TMP SE
°C or °F  The fuel temperature (determined by the signal
voltage of the fuel tank temperature sensor) is
displayed.
INT/A TEMP SE °C or °F  The intake air temperature (determined by the
signal voltage of the intake air temperature sen-
sor) is indicated.
EVAP SYS PRES V  The signal voltage of EVAP control system pres-
sure sensor is displayed.
FUEL LEVEL SE V  The signal voltage of the fuel level sensor is dis-
played.
START SIGNAL ON/OFF  Indicates start signal status [ON/OFF] computed
by the ECM according to the signals of engine
speed and battery voltage.  After starting the engine, [OFF] is dis-
played regardless of the starter signal.
CLSD THL POS ON/OFF  Indicates idle position [ON/OFF] computed by
ECM according to the accelerator pedal position
sensor signal.
AIR COND SIG ON/OFF  Indicates [ON/OFF] condition of the air condi-
tioner switch as determined by the air condition-
er signal.
P/N POSI SW ON/OFF  Indicates [ON/OFF] condition from the park/neu-
tral position (PNP) switch signal.
PW/ST SIGNAL ON/OFF  [ON/OFF] condition of the power steering sys-
tem (determined by the signal voltage of the
power steering pressure sensor signal) is indi-
cated.
LOAD SIGNAL ON/OFF  Indicates [ON/OFF] condition from the electrical
load signal.
ON: Rear window defogger switch is ON and/or
lighting switch is in 2nd position.
OFF: Both rear window defogger switch and
lighting switch are OFF.
IGNITION SW ON/OFF  Indicates [ON/OFF] condition from ignition
switch signal.
HEATER FAN SW ON/OFF  Indicates [ON/OFF] condition from the heater
fan switch signal.
BRAKE SW ON/OFF  Indicates [ON/OFF] condition from the stop
lamp switch signal.
INJ PULSE-B1 msec  Indicates the actual fuel injection pulse width compensated by ECM according to the input
signals.  When the engine is stopped, a certain
computed value is indicated.
INJ PULSE-B2 msec
IGN TIMING BTDC  Indicates the ignition timing computed by ECM
according to the input signals.  When the engine is stopped, a certain
value is indicated.
CAL/LD VALUE [%] %  “Calculated load value” indicates the value of
the current air flow divided by peak air flow.
MASS AIRFLOW g·m/s  Indicates the mass air flow computed by ECM
according to the signal voltage of the mass air
flow sensor.
PURG VOL C/V %  Indicates the EVAP canister purge volume con-
trol solenoid valve control value computed by
the ECM according to the input signals.
 The opening becomes larger as the value in- creases.
INT/V TIM (B1) °CA
 Indicates [ °CA] of intake camshaft advanced an-
gle.
INT/V TIM (B2) °CA
Monitored item Unit Description Remarks
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EC-706
< SERVICE INFORMATION >[VK45DE]
TROUBLE DIAGNOSIS
●
Specification data ar e reference values.
● Specification data are output/input values which are detected or supplied by the ECM at the connector.
* Specification data may not be directly relate d to their components signals/values/operations.
i.e. Adjust ignition timing with a timing light before monitoring IGN TIMING, because the monitor may show the specification data in spite of the
ignition timing not being adjusted to the specification data. This IGN TIMING moni tors the data calculated by the ECM according to the signals
input from the camshaft position sensor and other ignition timing related sensors.
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED  Run engine an d compare CONSULT-III value with the tachometer indication.Almost the same speed as
the tachometer indication.
MAS A/F SE-B1 See EC-709
.
B/FUEL SCHDL See EC-709
.
A/F ALPHA-B1
A/F ALPHA-B2 See
EC-709
.
COOLAN TEMP/S  Engine: After warming up More than 70 °C (158 °F)
A/F SEN1 (B1)
A/F SEN1 (B2)  Engine: After warming up Maintaining engine speed at 2,000 rpm Fluctuates around 1.5 V
HO2S2 (B1)
HO2S2 (B2)  Revving engine from idle to 3,000 rpm quickly after the following conditions
are met.
- Engine: After warming up
- Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at idle for 1 minute under no load 0 - 0.3V
←→ Approx. 0.6 -
1.0V
HO2S2 MNTR (B1)
HO2S2 MNTR (B2)  Revving engine from idle to 3,000 rpm quickly after the following conditions
are met.
- Engine: After warming up
- Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and at idle for 1 minute under no load LEAN
←→ RICH
VHCL SPEED SE  Turn drive wheels and compare CONSULT-III value with the speedometer in-
dication. Almost the same speed as
speedometer indication
BATTERY VOLT  Ignition switch: ON (Engine stopped) 11 - 14V
ACCEL SEN 1  Ignition switch: ON
(Engine stopped) Accelerator pedal: Fully released 0.5 - 1.0V
Accelerator pedal: Fully depressed 4.0 - 4.8V
ACCEL SEN 2*  Ignition switch: ON
(Engine stopped) Accelerator pedal: Fully released 0.3 - 1.2V
Accelerator pedal: Fully depressed 3.9 - 4.8V
TP SEN 1-B1
TP SEN 2-B1*  Ignition switch: ON
(Engine stopped)
 Selector lever: D Accelerator pedal: Fully released More than 0.36V
Accelerator pedal: Fully depressed Less than 4.75V
EVAP SYS PRES  Ignition switch: ON Approx. 1.8 - 4.8V
START SIGNAL  Ignition switch: ON → START → ON OFF → ON → OFF
CLSD THL POS  Ignition switch: ON
(Engine stopped) Accelerator pedal:
Fully released ON
Accelerator pedal: Slightly depressed OFF
AIR COND SIG  Engine: After warming up, idle the
engine Air conditioner switch: OFF OFF
Air conditioner switch: ON
(Compressor operates.)
ON
P/N POSI SW  Ignition switch: ON Selector lever: P or N ON
Selector lever: Except above OFF
PW/ST SIGNAL  Engine: After warming up, idle the
engine Steering wheel: Not being turned OFF
Steering wheel: Being turned ON
LOAD SIGNAL  Ignition switch: ON Rear window defogger switch: ON
and/or lighting switch: 2nd position
ON
Rear window defogger switch and lighting
switch: OFF OFF
IGNITION SW  Ignition switch: ON → OFF → ON ON → OFF → ON
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-709
< SERVICE INFORMATION > [VK45DE]
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TROUBLE DIAGNOSIS - SPECIFICATION VALUE
DescriptionINFOID:0000000001326536
The specification (SP) value indicates the tolerance of
the value that is displayed in “SPEC” of “DATA MONI-
TOR” mode with CONSULT-III during normal operation of the Engine Control System. When the value in
“SPEC” of “DATA MONITOR” mode is within the SP val ue, the Engine Control System is confirmed OK. When
the value in “SPEC” of “DATA MONITOR” mode is NOT within the SP value, the Engine Control System may
have one or more malfunctions.
The SP value is used to detect malfunctions that may af fect the Engine Control System, but will not light the
MIL.
The SP value will be displayed for the following three items:
 B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board correc- tion)
 A/F ALPHA-B1/B2 (The mean value of air-fuel ratio feedback correction factor per cycle)
 MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Testing ConditionINFOID:0000000001326537
 Vehicle driven distance: More than 5,000 km (3,107 miles)
 Barometric pressure: 98.3 - 104.3 kPa (1.003 - 1.064 kg/cm
2, 14.25 - 15.12 psi)
 Atmospheric temperature: 20 - 30 °C (68 - 86 °F)
 Engine coolant temperature: 75 - 95 °C (167 - 203 °F)
 Transmission: Warmed-up
- After the engine is warmed up to normal operating temper ature, drive vehicle until “ATF TEMP SE 1” (A/T
fluid temperature sensor signal) indicates more than 60 °C (140 °F).
 Electrical load: Not applied
- Rear window defogger switch, air conditioner switch, li ghting switch are OFF. Steering wheel is straight
ahead.
 Engine speed: Idle
Inspection ProcedureINFOID:0000000001326538
NOTE:
Perform “SPEC” in “DATA MONITOR” mode in maximum scale display.
1. Perform EC-658, "
Basic Inspection".
2. Confirm that the testing conditions indicated above are met.
3. Select “B/FUEL SCHDL”, “A/F ALPHA-B1”, “A/F ALPHA-B2” and “MAS A/F SE-B1” in “SPEC” of “DATA
MONITOR” mode with CONSULT-III.
4. Make sure that monitor items are within the SP value.
5. If NG, go to EC-710, "
Diagnosis Procedure".
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ELECTRICAL LOAD SIGNALEC-1147
< SERVICE INFORMATION > [VK45DE]
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ELECTRICAL LOAD SIGNAL
DescriptionINFOID:0000000001327048
The electrical load signal (Headlamp switch signal, r
ear window defogger switch signal, etc.) is transferred
through the CAN communication line from BCM to ECM via IPDM E/R.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000001327049
Specification data are reference values.
Diagnosis ProcedureINFOID:0000000001327050
1.CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-I
1. Turn ignition switch ON.
2. Connect CONSULT-III and select “DATA MONITOR” mode.
3. Select “LOAD SIGNAL” and check indication under the following conditions.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
2.CHECK LOAD SIGNAL CIRCUIT OVERALL FUNCTION-II
Check “LOAD SIGNAL” indication under the following conditions.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3.CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION
Select “HEATER FAN SW” and check indication under the following conditions.
OK or NG
OK >> INSPECTION END
NG >> GO TO 6.
4.CHECK REAR WINDOW DEFOGGER SYSTEM
MONITOR ITEM CONDITION SPECIFICATION
LOAD SIGNAL  Ignition switch: ON Rear window defogger switch: ON
and/or lighting switch: 2nd position
ON
Rear window defogger switch and lighting
switch: OFF OFF
HEATER FAN SW  Engine: After warming up, idle the
engine Heater fan switch: ON ON
Heater fan switch: OFF OFF
Condition Indication
Rear window defogger switch: ON ON
Rear window defogger switch: OFF OFF
Condition Indication
Lighting switch: ON at 2nd position ON
Lighting switch: OFF OFF
Condition Indication
Heater fan control switch: ON ON
Heater fan control switch: OFF OFF
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EC-1196
< SERVICE INFORMATION >[VK45DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Fuel PressureINFOID:0000000001327089
Idle Speed and Ignition TimingINFOID:0000000001327090
*: 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 ValueINFOID:0000000001327091
Mass Air Flow SensorINFOID:0000000001327092
*: Engine is warmed up to normal operating temperature and running under no load.
Intake Air Temperature SensorINFOID:0000000001327093
Engine Coolant Te
mperature SensorINFOID:0000000001327094
Fuel Tank Temperature SensorINFOID:0000000001327095
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-III 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-III 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
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GW-68
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
CONSULT-III Function (IPDM E/R)
INFOID:0000000001328007
DATA MONITOR
ACTIVE TEST
Work FlowINFOID:0000000001328008
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to GW-60, "
System Description".
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to GW-68,
"Trouble Diagnosis Symptom Chart".
4. Does rear window defogger operate no rmally? YES: GO TO 5, NO: GO TO 3.
5. INSPECTION END.
Trouble Diagnosis Symptom ChartINFOID:0000000001328009
Make sure other systems us ing the signal of the following systems operate normally.
Test item Content
REAR DEFOGGER Gives a drive sign al to the rear window defogger rela y to activate it.
IPDM E/R diagnostic test
item Check item diagnostic
test mode Content
REAR DEFOGGER Data monitor Displays the input data of BCM in real time.
Active test Gives a drive signal to a load to check the operation.
Monitored Item Description
RR DEF REQ Indicates [ON/OFF] condition of rear window defogger function by IPDM E/R.
Test Item Description
REAR DEFOGGER This test is able to check rear window defogger operation. Rear window defogger operates when “ON”
on CONSULT-III screen is touched.
Symptom Diagnoses / Service procedure Refer to page
Rear window defogger and door mirror defogger do not op-
erate. 1. Check BCM power supply and ground circuit
GW-69
2. Check IPDM E/R auto active test PG-20
3. Check rear window defogger switch circuit GW-69
4. Check rear window defogger power supply circuit GW-70
5. Replace IPDM E/ R PG-24
Rear window defogger does not operate but both of door
mirror defogger operate. 1. Check rear window defogger circuit
GW-72
2. Check filament GW-77
Door mirror defogger does not operated but both of rear
window defogger operate. Check door mirror defogger power supply circuit
GW-73
Driver side door mirror defogger does not operate. Check driver side door mirror defogger circuit GW-75
Passenger side door mirror defogger does not operate. Check passenger side door mirror defogger circuit GW-75
Rear window defogger switch does not light, and rear win-
dow defogger is not displayed on the display.
But rear window defogger operates. Check rear window defogger signal
GW-76
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GW-76
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
4. Check voltage between door mirror (passenger side) connectorand ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between door mirror (passenger side) connec- tor and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR MIRROR DEFOGGER
1. Connector door mirror connector.
2. Check continuity between each door mirror connector.
OK or NG
OK >> Check condition of harness and connector.
NG >> Replace door mirror (passenger side).
Check Rear Windo w Defogger SignalINFOID:0000000001328017
1.CHECK REAR WINDOW DEFOGGER SWITCH LAMP
A/C and AV switch self-diagnosis is performed. Refer to AV-34, "
A/C and AV Switch Self-Diagnosis Function"
Does rear window defogger switch light?
YES >> GO TO 2.
NO >> Replace A/C and AV switch.
2.CHECK AV COMMUNICATION LINE
AV communication line check is performed. Refer to AV-79, "
Unable to Operate System with A/C and AV
Switch"
Is rear window defogger displayed on the display?
YES >> GO TO 3.
NO >> Replace display control unit.
3.CHECK CAN COMMUNICATION LINE
ConnectorTerminal (Wire color)
ConditionVoltage (V)
(Approx.)
(+) (–)
D32 4 (L) Ground Rear window defogger
switch ON
Battery voltage
Rear window defogger
switch OFF 0
PIIB8572E
Door mirror
connector terminal
GroundContinuity
D2 (driver side)
D32 (passenger side) 3(B) Yes
PIIB8570E
Door mirror
connector terminal Terminal Continuity
D2 (driver side)
D32 (passenger side) 3(B) 4(L) Yes
PIIB8571E
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GW-78
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
 Conductive silver composition (Dupont No. 4817 or equivalent)
 Ruler 30 cm (11.8 in) long
 Drawing pen
 Heat gun
 Alcohol
 Cloth
REPAIRING PROCEDURE
1. Wipe broken heat wire and its surrounding area clean with acloth dampened in alcohol.
2. Apply a small amount of conductive silver composition to tip of
drawing pen.
Shake silver composition container before use.
3. Place ruler on glass along broken line. Deposit conductive silver composition on break with drawing pen. Slightly overlap existing
heat wire on both sides [preferably 5 mm (0.20 in)] of the break.
4. After repair has been completed, check repaired wire for conti- nuity. This check should be conducted 10 minutes after silver
composition is deposited.
Do not touch repaired area while test is being conducted.
5. Apply a constant stream of hot air directly to the repaired area for approximately 20 minutes with a heat gun. A minimum dis-
tance of 3 cm (1.2 in) should be kept between repaired area and
hot air outlet.
If a heat gun is not available, let the repaired area dry for 24
hours.
PIIA0215E
SEL012D
SEL013D
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TROUBLE DIAGNOSISLAN-45
< SERVICE INFORMATION > [CAN]
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LAN
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Current gear position signal T R
Manual mode indicator signal T R
Output shaft revolution signal R T
P range signal T R R
Shift position indicator signal T R
Turbine revolution signal R T
A/C switch signal R T
Buzzer output signal TR
TR
Blower fan motor switch signal R T
Day time running light request signal T R
Door lock/unlock status signal T R
Door switch signal R T R R R R
Front fog light request signal T R
Front wiper request signal T R
High beam request signal T R R
Horn chirp signal T R
Ignition switch signal T R R
Key fob door unlock signal T R
Key fob ID signal T R
Key switch signal T R
Low beam request signal T R
Oil pressure switch signal RT
TR
Position light request signal T R R
Rear window defogger switch signal T R
Run flat tire warning lamp signal T R
Sleep wake up signal TRRR
RT
Theft warning horn request signal T R
Tire pressure warn ing lamp signal T R
Turn indicator signal T R
Alarm request signal R T
Back door open request signal R T
Door lock/unlock request signal R T
Ignition knob switch signal R T
Key warning signal T R
Power window open request signal R T
Steering angle sensor signal T R
Distance to empty signal R T
Fuel level low warning signal R T
Fuel level sensor signal R T
Manual mode shift down signal R T Signal name/Connecting unit
ECM
DISP TCM
BCM
I-KEY
STRG
M&AABS
ADP
IPDM-E
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