2006 INFINITI FX35 Service Manual

reset infotainment system four wheel drive park assist child restraint automatic transmission trailer

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS EC-121
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Revision: 2006 December 2006 FX35/FX45
X: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip fr

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INFINITI FX35 2006 Service Manual EC-122
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
*: This function is not necessary in the usual service procedure.
SELF-DIAG RESULTS MODE
Self Diagnostic Item
Regarding items

EC-122
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
*: This function is not necessary in the usual service procedure.
SELF-DIAG RESULTS MODE
Self Diagnostic Item
Regarding items of DTC and 1st trip DTC, refer to EC-55, "EMISSION-RELATED DIAGNOSTIC INFORMA-
TION ITEMS" .
Freeze Frame Data and 1st Trip Freeze Frame Data
EVAP SYSTEM CLOSE CLOSE THE EVAP CANISTER VENT CONTROL VALVE IN
ORDER TO MAKE EVAP SYSTEM CLOSE UNDER THE
FOLLOWING CONDITIONS.
IGN SW ON
ENGINE NOT RUNNING
AMBIENT TEMPERATURE IS ABOVE 0 °C (32 °F).
NO VACUUM AND NO HIGH PRESSURE IN EVAP SYS-
TEM
FUEL TANK TEMP. IS MORE THAN 0 °C (32 °F).
WITHIN 10 MINUTES AFTER STARTING “EVAP SYS-
TEM CLOSE”
WHEN TRYING TO EXECUTE “EVAP SYSTEM CLOSE”
UNDER THE CONDITION EXCEPT ABOVE, CONSULT-
II WILL DISCONTINUE IT AND DISPLAY APPROPRI-
ATE INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-II MAY DISPLAY
“BATTERY VOLTAGE IS LOW. CHARGE BATTERY”,
EVEN IN USING CHARGED BATTERY. When detecting EVAP vapor leak
point of EVAP system
VIN REGISTRATION
IN THIS MODE VIN IS REGISTERED IN ECM When registering VIN is ECM
TARGET IDLE RPM ADJ*
IDLE CONDITION When setting target idle speed
TARGET IGN TIM ADJ*
IDLE CONDITION When adjusting target ignition tim- ing
WORK ITEM CONDITION USAGE
Freeze frame data
item* Description
DIAG TROUBLE
CODE
[PXXXX]
The engine control component part/control system has a trouble code, it is displayed as “PXXXX”. (Refer
to EC-15, "
INDEX FOR DTC" .)
FUEL SYS-B1
“Fuel injection system status” at the moment a malfunction is detected is displayed.
One mode in the following is displayed.
“Mode2”: Open loop due to detected system malfunction
“Mode3”: Open loop due to driving conditions (power enrichment, deceleration enleanment)
“Mode4”: Closed loop - using oxygen sensor(s) as feedback for fuel control
“Mode5”: Open loop - has not yet satisfied condition to go to closed loop
FUEL SYS-B2
CAL/LD VALUE [%]
The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP
[ ° C] or [ °F]
The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 [%]
“Long-term fuel trim” at the moment a malfunction is detected is displayed.
The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule
than short-term fuel trim.
L-FUEL TRM-B2 [%]
S-FUEL TRM-B1 [%]
“Short-term fuel trim” at the moment a malfunction is detected is displayed.
The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel
schedule.
S-FUEL TRM-B2 [%]
ENGINE SPEED
[rpm]
The engine speed at the moment a malfunction is detected is displayed.

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS EC-123
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Revision: 2006 December 2006 FX35/FX45
*: The items are the same as those of 1st trip freeze frame data.
DATA MONITOR MODE
Mon

TROUBLE DIAGNOSIS EC-123
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Revision: 2006 December 2006 FX35/FX45
*: The items are the same as those of 1st trip freeze frame data.
DATA MONITOR MODE
Monitored Item
× : Applicable
VEHICL SPEED
[km/h] or [mph]
The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL TH-P/S [%]
The throttle operating angle at the moment a malfunction is detected is displayed.
B/FUEL SCHDL
[msec]
The base fuel schedule at the moment a malfunction is detected is displayed.
INT/A TEMP SE
[ ° C] or [ °F]
The intake air temperature at the moment a malfunction is detected is displayed.
Freeze frame data
item* Description
Monitored item
[Unit] ECM
INPUT SIG-
NALS MAIN
SIG-
NALS Description Remarks
ENG SPEED [rpm] ××
Indicates the engine speed computed from
the signal of the crankshaft position sensor
(POS) and camshaft position sensor
(PHASE).Accuracy becomes poor if engine
speed drops below the idle rpm.
If the signal is interrupted while the
engine is running, an abnormal
value may be indicated.
MAS A/F SE-B1 [V] ××
The signal voltage of the mass air flow sensor
is displayed.When the engine is stopped, a cer-
tain value is indicated.
B/FUEL SCHDL
[msec] ×
Base fuel schedule indicates the fuel injection
pulse width programmed into ECM, prior to
any learned on board correction.
A/F ALPHA-B1 [%] ×
The mean value of the air-fuel ratio feedback
correction factor per cycle is indicated.
When the engine is stopped, a cer-
tain value is indicated.
This data also includes the data for
the air-fuel ratio learning control.
A/F ALPHA-B2 [%]
×
COOLAN TEMP/S
[ ° C] or [ °F] ××
The engine coolant temperature (determined
by the signal voltage of the engine coolant
temperature sensor) is displayed.
When the engine coolant tempera-
ture sensor is open or short-cir-
cuited, ECM enters fail-safe mode.
The engine coolant temperature
determined by the ECM is displayed.
A/F SEN1 (B1) [V] ××
The A/F signal computed from the input signal
of the Air fuel ratio (A/F) sensor 1 is displayed.
A/F SEN1 (B2) [V] ×
HO2S2 (B1) [V] ×
The signal voltage of the heated oxygen sen-
sor 2 is displayed.
HO2S2 (B2) [V] ×
HO2S2 MNTR (B1)
[RICH/LEAN] ×
Display of heated oxygen sensor 2 signal:
RICH: means the amount of oxygen after
three way catalyst is relatively small.
LEAN: means the amount of oxygen after
three way catalyst is relatively large.
When the engine is stopped, a cer-
tain value is indicated.
HO2S2 MNTR (B2)
[RICH/LEAN] ×
VHCL SPEED SE
[km/h] or [mph] ××
The vehicle speed computed from the vehicle
speed signal sent from combination meter is
displayed.
BATTERY VOLT
[V] ××
The power supply voltage of ECM is dis-
played.
ACCEL SEN 1 [V] ××
The accelerator pedal position sensor signal
voltage is displayed.ACCEL SEN 2 signal is converted
by ECM internally. Thus, it differs
from ECM terminal voltage signal.
ACCEL SEN 2 [V]
×

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INFINITI FX35 2006 Service Manual EC-124
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
THRTL SEN 1 [V] ××The throttle position sensor signal voltage is
displayed.THRTL SEN 2 signal is converted by
ECM intern

EC-124
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
THRTL SEN 1 [V] ××The throttle position sensor signal voltage is
displayed.THRTL SEN 2 signal is converted by
ECM internally. Thus, it differs from
ECM terminal voltage signal.
THRTL SEN 2 [V]
×
FUEL T/TMP SE
[ ° C] or [ °F] ×
The fuel temperature (determined by the sig-
nal voltage of the fuel tank temperature sen-
sor) is displayed.
INT/A TEMP SE
[ ° C] or [ °F] ××
The intake air temperature (determined by the
signal voltage of the intake air temperature
sensor) is indicated.
EVAP SYS PRES
[V] ×
The signal voltage of EVAP control system
pressure sensor is displayed.
FUEL LEVEL SE
[V] ×
The signal voltage of the fuel level sensor is
displayed.
START SIGNAL
[ON/OFF] ××
Indicates start signal status [ON/OFF] com-
puted by the ECM according to the signals of
engine speed and battery voltage.After starting the engine, [OFF] is
displayed regardless of the starter
signal.
CLSD THL POS
[ON/OFF] ××
Indicates idle position [ON/OFF] computed by
ECM according to the accelerator pedal posi-
tion sensor signal.
AIR COND SIG
[ON/OFF] ××
Indicates [ON/OFF] condition of the air condi-
tioner switch as determined by the air condi-
tioner signal.
P/N POSI SW
[ON/OFF] ××
Indicates [ON/OFF] condition from the park/
neutral 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 electri-
cal 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.
SNOW MODE SW
[ON/OFF]
Indicates [ON/OFF] condition from the snow
mode switch signal.
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 cer-
tain 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 cer-
tain value is indicated.
CAL/LD VALUE [%]
Calculated load value indicates the value of
the current air flow divided by peak air flow.
Monitored item
[Unit] ECM
INPUT SIG-
NALS MAIN
SIG-
NALS Description Remarks

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS EC-125
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Revision: 2006 December 2006 FX35/FX45MASS AIRFLOW
[g·m/s]Indicates the mass air flow computed by ECM
according to the si

TROUBLE DIAGNOSIS EC-125
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Revision: 2006 December 2006 FX35/FX45MASS 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
control solenoid valve control value computed
by the ECM according to the input signals.
The opening becomes larger as the value
increases.
INT/V TIM (B1)
[ ° CA]
Indicates [ °CA] of intake camshaft advanced
angle.
INT/V TIM (B2)
[ ° CA]
INT/V SOL (B1) [%]
The control condition of the intake valve tim-
ing control solenoid valve (determined by
ECM according to the input signals) is indi-
cated.
The advance angle becomes larger as the
value increases.
INT/V SOL (B2) [%]
AIR COND RLY
[ON/OFF] ×
The air conditioner relay control condition
(determined by ECM according to the input
signals) is indicated.
FUEL PUMP RLY
[ON/OFF] ×
Indicates the fuel pump relay control condition
determined by ECM according to the input
signals.
VENT CONT/V
[ON/OFF]
The control condition of the EVAP canister
vent control valve (determined by ECM
according to the input signals) is indicated.
ON: Closed
OFF: Open
THRTL RELAY
[ON/OFF] ×
Indicates the throttle control motor relay con-
trol condition determined by the ECM accord-
ing to the input signals.
COOLING FAN
[HI/MID/LOW/OFF] ×
The control condition of the cooling fan (deter-
mined by ECM according to the input signals)
is indicated.
HI: High speed operation
MID: Middle speed operation
LOW: Low speed operation
OFF: Stop
HO2S2 HTR (B1)
[ON/OFF]
Indicates [ON/OFF] condition of heated oxy-
gen sensor 2 heater determined by ECM
according to the input signals.
HO2S2 HTR (B2)
[ON/OFF]
I/P PULLY SPD
[rpm]
Indicates the engine speed computed from
the turbine revolution sensor signal.
VEHICLE SPEED
[km/h] or [MPH]
Indicates the vehicle speed computed from
the revolution sensor signal.
IDL A/V LEARN
[YET/CMPLT]
Display the condition of idle air volume learn-
ing
YET: Idle Air Volume Learning has not been
performed yet.
CMPLT: Idle Air Volume Learning has already
been performed successfully.
Monitored item
[Unit] ECM
INPUT SIG-
NALS MAIN
SIG-
NALS Description Remarks

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INFINITI FX35 2006 Service Manual EC-126
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
TRVL AFTER MIL
[km] or [mile]Distance traveled while MIL is activated.
A/F S1 HTR (B1)
[%]
Air fuel ratio (A/F) sensor 1

EC-126
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
TRVL AFTER MIL
[km] or [mile]Distance traveled while MIL is activated.
A/F S1 HTR (B1)
[%]
Air fuel ratio (A/F) sensor 1 heater control
value computed by ECM according to the
input signals.
The current flow to the heater becomes larger
as the value increases.
A/F S1 HTR (B2)
[%]
AC PRESS SEN
[V]
The signal voltage from the refrigerant pres-
sure sensor is displayed.
VHCL SPEED SE
[km/h] or [mph]
The vehicle speed computed from the vehicle
speed signal sent from TCM is displayed.
SET VHCL SPD
[km/h] or [mph]
The preset vehicle speed is displayed.
MAIN SW
[ON/OFF]
Indicates [ON/OFF] condition from MAIN
switch signal.
CANCEL SW
[ON/OFF]
Indicates [ON/OFF] condition from CANCEL
switch signal.
RESUME/ACC SW
[ON/OFF]
Indicates [ON/OFF] condition from RESUME/
ACCELERATE switch signal.
SET SW
[ON/OFF]
Indicates [ON/OFF] condition from SET/
COAST switch signal.
BRAKE SW1
[ON/OFF]
Indicates [ON/OFF] condition from ASCD
brake switch signal.
BRAKE SW2
[ON/OFF]
Indicates [ON/OFF] condition of stop lamp
switch signal.
VHCL SPD CUT
[NON/CUT]
Indicates the vehicle cruise condition.
NON: Vehicle speed is maintained at the
ASCD set speed.
CUT: Vehicle speed increased to excessively
high compared with the ASCD set speed, and
ASCD operation is cut off.
LO SPEED CUT
[NON/CUT]
Indicates the vehicle cruise condition.
NON: Vehicle speed is maintained at the
ASCD set speed.
CUT: Vehicle speed decreased to excessively
low compared with the ASCD set speed, and
ASCD operation is cut off.
AT OD MONITOR
[ON/OFF]
Indicates [ON/OFF] condition of A/T O/D
according to the input signal from the TCM.
AT OD CANCEL
[ON/OFF]
Indicates [ON/OFF] condition of A/T O/D can-
cel signal sent from the TCM.
DIST SW
[ON/OFF]
Indicates [ON/OFF] condition from DIS-
TANCE switch signal.
CRUISE LAMP
[ON/OFF]
Indicates [ON/OFF] condition of CRUISE
lamp determined by the ECM according to the
input signals.
SET LAMP
[ON/OFF]
Indicates [ON/OFF] condition of SET lamp
determined by the ECM according to the input
signals.
Monitored item
[Unit] ECM
INPUT SIG-
NALS MAIN
SIG-
NALS Description Remarks

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSIS EC-127
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Revision: 2006 December 2006 FX35/FX45
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted fro

TROUBLE DIAGNOSIS EC-127
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Revision: 2006 December 2006 FX35/FX45
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
DATA MONITOR (SPEC) MODE
Monitored Item
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
Test Item
A/F ADJ-B1Indicates the correction of factor stored in
ECM. The factor is calculated from the differ-
ence between the target air-fuel ratio stored in
ECM and the air-fuel ratio calculated from A/F
sensor 1 signal.
A/F ADFJ-B2
Voltage [V]
Voltage, frequency, duty cycle or pulse width
measured by the probe.
Only # is displayed if item is unable
to be measured.
Figures with #s are temporary ones.
They are the same figures as an
actual piece of data which was just
previously measured.
Frequency [msec],
[Hz] or [%]
DUTY-HI
DUTY-LOW
PLS WIDTH-HI
PLS WIDTH-LOW Monitored item
[Unit] ECM
INPUT SIG-
NALS MAIN
SIG-
NALS Description Remarks
Monitored item [Unit]ECM
input
signals Main
signals Description Remarks
ENG SPEED [rpm] ××
Indicates the engine speed computed
from the signal of the crankshaft position
sensor (POS) and camshaft position
sensor (PHASE).
MAS A/F SE-B1 [V] ××
The signal voltage of the mass air flow
sensor specification is displayed.When engine is running specification
range is indicated.
B/FUEL SCHDL
[msec] ×
Base fuel schedule indicates the fuel
injection pulse width programmed into
ECM, prior to any learned on board cor-
rection.
When engine is running specification
range is indicated.
A/F ALPHA-B1 [%]
A/F ALPHA-B2 [%] ×
The mean value of the air-fuel ratio feed-
back correction factor per cycle is indi-
cated.When engine is running specification
range is indicated.
This data also includes the data for the
air-fuel ratio learning control.
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJEC-
TION
Engine: Return to the original
trouble condition
Change the amount of fuel injec-
tion using CONSULT-II. If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Fuel injector
Air fuel ratio (A/F) sensor 1
IGNITION TIM-
ING
Engine: Return to the original
trouble condition
Timing light: Set
Retard the ignition timing using
CONSULT-II. If trouble symptom disappears, see
CHECK ITEM.
Perform Idle Air Volume Learning.

Page 1512 of 4462

INFINITI FX35 2006 Service Manual EC-128
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
*: Leaving cooling fan OFF with CONSULT-II while engine is running may cause the engine to overheat.
DTC & SRT CONFIRMATION MOD

EC-128
[VQ35DE]
TROUBLE DIAGNOSIS
Revision: 2006 December 2006 FX35/FX45
*: Leaving cooling fan OFF with CONSULT-II while engine is running may cause the engine to overheat.
DTC & SRT CONFIRMATION MODE
SRT STATUS Mode
For details, refer to EC-60, "SYSTEM READINESS TEST (SRT) CODE" .
SRT WORK SUPPORT Mode
This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.
DTC WORK SUPPORT Mode
POWER BAL-
ANCE
Engine: After warming up, idle
the engine.
A/C switch: OFF
Selector lever: P or N
Cut off each fuel injector signal
one at a time using CONSULT-II. Engine runs rough or dies.
Harness and connectors
Compression
Fuel injector
Power transistor
Spark plug
Ignition coil
COOLING FAN*
Ignition switch: ON
Turn the cooling fan “HI”, “MID”,
“LOW” and “OFF” using CON-
SULT-II. Cooling fan moves and stops.Harness and connectors
Cooling fan motor
IPDM E/R
ENG COOLANT
TEMP
Engine: Return to the original
trouble condition
Change the engine coolant tem-
perature using CONSULT-II. If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Engine coolant temperature sen-
sor
Fuel injector
FUEL PUMP
RELAY
Ignition switch: ON
(Engine stopped)
Turn the fuel pump relay “ON”
and “OFF” using CONSULT-II
and listen to operating sound. Fuel pump relay makes the operat-
ing sound.Harness and connectors
Fuel pump relay
PURG VOL
CONT/V
Engine: After warming up, run
engine at 1,500 rpm.
Change the EVAP canister purge
volume control solenoid valve
opening percent using CON-
SULT-II. Engine speed changes according to
the opening percent.Harness and connectors
Solenoid valve
FUEL/T TEMP
SEN
Change the fuel tank temperature using CONSULT-II.
VENT CON-
TROL/V
Ignition switch: ON
(Engine stopped)
Turn solenoid valve “ON” and
“OFF” with the CONSULT-II and
listen to operating sound. Solenoid valve makes an operating
sound.Harness and connectors
Solenoid valve
V/T ASSIGN
ANGLE
Engine: Return to the original
trouble condition
Change intake valve timing using
CONSULT-II. If trouble symptom disappears, see
CHECK ITEM.
Harness and connectors
Intake valve timing control sole-
noid valve
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
Test mode Test item Corresponding DTC No. Reference page
EVAPORATIVE SYS-
TEM PURG FLOW P0441 P0441
EC-383
EVP SML LEAK P0442/P1442* P0442EC-388
EVP V/S LEAK P0456/P1456* P0456EC-450
PURG VOL CN/V P1444 P0443EC-397

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