2007 INFINITI FX35 Service Manual

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Page 2153 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-777
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Revision: 2006 July 2007 FX35/FX45
51 L/W Mass air flow sensor [Engine is running]
Warm-up condition
Idle speed
1.0 - 1.3V

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INFINITI FX35 2007 Service Manual EC-778
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
72 BR Intake valve timing control
position sensor (Bank 1) [Engine is running]
Warm-up condition
Idle speed
0 - 1.0V
[Engine

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-779
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Revision: 2006 July 2007 FX35/FX45
99 G/Y ICC steering switch
(models with ICC system) [Ignition switch: ON]
ICC steering s

TROUBLE DIAGNOSIS EC-779
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Revision: 2006 July 2007 FX35/FX45
99 G/Y ICC steering switch
(models with ICC system) [Ignition switch: ON]
ICC steering switch: OFF
Approximately 4.3V
[Ignition switch: ON]
MAIN switch: Pressed Approximately 0V
[Ignition switch: ON]
CANCEL switch: Pressed Approximately 1.3V
[Ignition switch: ON]
RESUME/ACCELERATE switch: Pressed Approximately 3.7V
[Ignition switch: ON]
SET/COAST switch: Pressed Approximately 3V
[Ignition switch: ON]
DISTANCE switch: Pressed Approximately 2.2V
99 G/Y ASCD steering switch
(models with ASCD system) [Ignition switch: ON]
ASCD steering switch: OFF
Approximately 4V
[Ignition switch: ON]
MAIN switch: Pressed Approximately 0V
[Ignition switch: ON]
CANCEL switch: Pressed Approximately 1V
[Ignition switch: ON]
RESUME/ACCELERATE switch: Pressed Approximately 3V
[Ignition switch: ON]
SET/COAST switch: Pressed Approximately 2V
101 P/L Stop lamp switch [Ignition switch: OFF]
Brake pedal: Fully released
Approximately 0V
[Ignition switch: OFF]
Brake pedal: Slightly depressed BATTERY VOLTAGE
(11 - 14V)
102 LG/B PNP switch [Ignition switch: ON]
Selector lever: P or N
Approximately 0V
[Ignition switch: ON]
Selector lever: Except above BATTERY VOLTAGE
(11 - 14V)
104 L/OR Throttle control motor relay [Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON] 0 - 1.0V
106 OR Accelerator pedal position
sensor 1 [Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully released
0.5 - 1.0V
[Ignition switch: ON]
Engine stopped
Accelerator pedal: Fully depressed 3.9 - 4.7V
107 PU/W Fuel tank temperature sen-
sor [Engine is running] Approximately 0 - 4.8V
Output voltage varies with fuel
tank temperature.
108 SB ICC brake switch (models
with ICC system)
ASCD brake switch (models
with ASCD system) [Ignition switch: ON]
Brake pedal: Slightly depressed
Approximately 0V
[Ignition switch: ON]
Brake pedal: Fully released BATTERY VOLTAGE
(11 - 14V)
TER-
MINAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)

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INFINITI FX35 2007 Service Manual EC-780
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) 109 W/L Ignition switch
[Ignition switc

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-781
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Revision: 2006 July 2007 FX35/FX45
CONSULT-II Function (ENGINE)NBS00426
FUNCTION
*: The following emission-related diagnostic

Page 2158 of 4366

INFINITI FX35 2007 Service Manual EC-782
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
Item DIAGNOSTIC TEST MODE
WORK SUP-
PORT SELF-DIAGNOS-
TIC RESULTS

Page 2159 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-783
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Revision: 2006 July 2007 FX35/FX45
X: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip freez

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INFINITI FX35 2007 Service Manual EC-784
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
*: This function is not necessary in the usual service procedure.
SELF-DIAG RESULTS MODE
Self Diagnostic Item
Regarding items of D

EC-784
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 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-716, "Emission-related Diagnostic Information" .)
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 in 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-677, "
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.
VEHICL SPEED
[km/h] or [mph]
The vehicle speed at the moment a malfunction is detected is displayed.

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