2008 INFINITI FX35 Service Manual

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Page 1353 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISEC-113
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O34 OR
Intake air temperature sen-
sor [Engine is running] Approximately 0 - 4.8V
Output voltage varies with int

Page 1354 of 3924

INFINITI FX35 2008 Service Manual
EC-114
< SERVICE INFORMATION >[VQ35DE]
TROUBLE DIAGNOSIS
51 L/W Mass air flow sensor[Engine is running]

Warm-up condition
Idle speed 1.0 - 1.2V
[Engine is running]
Warm-up condition
Engine sp

Page 1355 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISEC-115
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O73 Y
Engine coolant temperature
sensor [Engine is running] Approximately 0 - 4.8V
Output voltage varies with e

Page 1356 of 3924

INFINITI FX35 2008 Service Manual
EC-116
< SERVICE INFORMATION >[VQ35DE]
TROUBLE DIAGNOSIS
99 G/YICC steering switch
(models with ICC system) [Ignition switch: ON]
ICC steering switch: OFF
Approximately 4.3V
[Ignition switch: ON]

EC-116
< SERVICE INFORMATION >[VQ35DE]
TROUBLE DIAGNOSIS
99 G/YICC 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 3.0V
[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 4.0V
[Ignition switch: ON]
MAIN switch: Pressed Approximately 0V
[Ignition switch: ON]
CANCEL switch: Pressed Approximately 1.0V
[Ignition switch: ON]
RESUME/ACCELERATE switch: Pressed Approximately 3.0V
[Ignition switch: ON]
SET/COAST switch: Pressed Approximately 2.0V
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]
Except above position BATTERY VOLTAGE
(11 - 14V)
104 L/OR Throttle co ntrol 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)
109 W/L Ignition switch [Ignition switch: OFF]
0V
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
TER-
MI-
NAL NO. WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1357 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISEC-117
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-III Functio

TROUBLE DIAGNOSISEC-117
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-III Function (ENGINE)INFOID:0000000001325936
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.
Diagnostic trouble codes
1st trip diagnostic trouble codes
Freeze frame data
1st trip freeze frame data
System readiness test (SRT) codes
Test values
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
111 W / B
ECM relay
(Self shut-off) [Engine is running]
[Ignition switch: OFF]
For a few seconds after turning ignition
switch OFF 0 - 1.5V
[Ignition switch: OFF]
More than a few seconds after turning igni- tion switch OFF BATTERY VOLTAGE
(11 - 14V)
11 3 G Y / R F u e l p u m p r e l a y [Ignition switch: ON]
For 1 second after turning ignition switch ON
[Engine is running]
0 - 1.5V
[Ignition switch: ON]
More than 1 second after turning ignition switch ON BATTERY VOLTAGE
(11 - 14V)
11 5
11 6 B/R
B/W
ECM ground [Engine is running]
Idle speed Body ground
11 7 R / Y EVAP canister vent control
valve
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
11 9
120 R
R/B
Power supply for ECM
[Ignition switch: ON] BATTERY VOLTAGE
(11 - 14V)
121 R/W Power supply for ECM
(Back-up) [Ignition switch: OFF] BATTERY VOLTAGE
(11 - 14V)
TER-
MI-
NAL NO. WIRE
COLOR ITEM CONDITION DATA (DC Voltage)
Diagnostic test mode Function
Work support This mode enables a technician to adjust some devices faster and more accurately by following the in-
dications on the CONSULT-III unit.
Self-diagnostic results Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*
Data monitor Input/Output data in the ECM can be read.
Active test Diagnostic Test Mode in which CONSULT-III drives some actuators apart from the ECMs and also shifts
some parameters in
a specified range.
Function test This mode is used to inform customers when their vehicle condition requires periodic maintenance.
DTC & SRT confirmation The status of system monitoring tests and the self-diagnosis status/result can be confirmed.
ECU part number ECM part number can be read.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1358 of 3924

INFINITI FX35 2008 Service Manual
EC-118
< SERVICE INFORMATION >[VQ35DE]
TROUBLE DIAGNOSIS
ItemDIAGNOSTIC TEST MODE
WORK SUP-
PORT SELF-DIAGNOSTIC
RESULTS DATA
MONI-
TOR ACTIVE
TEST DTC & SRT
CONFIRMATION
DTC*
1FREEZE FRAME
DAT

Page 1359 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSISEC-119
< SERVICE INFORMATION > [VQ35DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
X: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip freeze frame data or freez

Page 1360 of 3924

INFINITI FX35 2008 Service Manual
EC-120
< SERVICE INFORMATION >[VQ35DE]
TROUBLE DIAGNOSIS
*: This function is not necessary in the usual service procedure.
SELF-DIAG RESULTS MODE
Self Diagnostic Item
Regarding items of DTC and 1st t

EC-120
< SERVICE INFORMATION >[VQ35DE]
TROUBLE DIAGNOSIS
*: 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 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-
III WILL DISCONTINUE IT AND DISPLAY APPROPRI-
ATE INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-III MAY DIS-
PLAY “BATTERY VOLTAGE IS LOW. CHARGE BAT-
TERY”, 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 Wh en adjusting target ignition tim-
ing
WORK ITEM CONDITION USAGE
Freeze frame data
item* Description
DIAG TROUBLE
CODE
[PXXXX] The engine control co
mponent part/control system has a trouble code, it is displayed as “PXXXX”. (Refer to
EC-17
.)
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 sched-
ule.
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.
ABSOL TH-P/S [%] The throttle operat ing angle at the moment a malfunct ion is detected is displayed.
B/FUEL SCHDL
[msec] The base fuel schedule at the moment a malfunction is detected is displayed.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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