2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-793
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Revision: 2006 July 2007 FX35/FX45
Operation
1. “AUTO TRIG”
While trying to detect the DTC/1st trip DTC by performing the

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INFINITI FX35 2007 Service Manual EC-794
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
FUNCTION
INSPECTION PROCEDURE
1. Turn ignition switch OFF.
2. Connect “GST” to data link connector, which is located under LH

EC-794
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
FUNCTION
INSPECTION PROCEDURE
1. Turn ignition switch OFF.
2. Connect “GST” to data link connector, which is located under LH dash panel near the hood opener handle.
Diagnostic service Function
Service $01 READINESS TESTS This mode gains access to current emission-related data values, including analog inputs
and outputs, digital inputs and outputs, and system status information.
Service $02 (FREEZE DATA) This mode gains access to emission-related data value which were stored by ECM during
the freeze frame. For details, refer to EC-721, "
FREEZE FRAME DATA AND 1ST TRIP
FREEZE FRAME DATA" .
Service $03 DTCs This mode gains access to emission-related power train trouble codes which were stored
by ECM.
Service $04 CLEAR DIAG INFO This mode can clear all emission-related diagnostic information. This includes:
Clear number of diagnostic trouble codes (Service $01)
Clear diagnostic trouble codes (Service $03)
Clear trouble code for freeze frame data (Service $01)
Clear freeze frame data (Service $02)
Reset status of system monitoring test (Service $01)
Clear on board monitoring test results (Service $06 and $07)
Service $06 (ON BOARD TESTS) This mode accesses the results of on board diagnostic monitoring tests of specific com-
ponents/systems that are not continuously monitored.
Service $07 (ON BOARD TESTS) This mode enables the off board test drive to obtain test results for emission-related pow-
ertrain components/systems that are continuously monitored during normal driving condi-
tions.
Service $08 — This mode can close EVAP system in ignition switch ON position (Engine stopped). When
this mode is performed, EVAP canister vent control valve can be closed.
In the following conditions, this mode cannot function.
Low ambient temperature
Low battery voltage
Engine running
Ignition switch OFF
Low fuel temperature
Too much pressure is applied to EVAP system
Service $09 (CALIBRATION ID) This mode enables the off-board test device to request specific vehicle information such
as Vehicle Identification Number (VIN) and Calibration IDs.
PBIB1503E

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-795
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Revision: 2006 July 2007 FX35/FX45
3. Turn ignition switch ON.
4. Enter the program according to instruction on the screen or

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INFINITI FX35 2007 Service Manual EC-796
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
CONSULT-II Reference Value in Data MonitorNBS00428
Remarks:
Specification data are reference values.
Specification data a

EC-796
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
CONSULT-II Reference Value in Data MonitorNBS00428
Remarks:
Specification data are 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 related 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 da ta in
spite of the ignition timing not being adjusted to the specification data. This IGN TIMING monitors 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 and compare CONSULT-II value with the tachometer indication. Almost the same speed as
the tachometer indication.
MAS A/F SE-B1 See EC-802, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
B/FUEL SCHDL See EC-802, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
A/F ALPHA-B1
A/F ALPHA-B2 See
EC-802, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
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-II value with the speedometer
indication. 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
THRTL SEN 1
THRTL SEN 2*
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 light-
ing switch: OFF OFF

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-797
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Revision: 2006 July 2007 FX35/FX45
IGNITION SWIgnition switch: ON → OFF → ON ON → OFF → ON
HEATER FAN SW
Engine:

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INFINITI FX35 2007 Service Manual EC-798
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
COOLING FAN
Engine: After warming up, idle
the engine
Air conditioner switch: OFF Engine coolant temperature is 94
°C
(201

EC-798
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
COOLING FAN
Engine: After warming up, idle
the engine
Air conditioner switch: OFF Engine coolant temperature is 94
°C
(201 °F) or less OFF
Engine coolant temperature is between
95 °C (203 °F) and 104 °C (219 °F) MID
Engine coolant temperature is 105 °C
(221 °F) or more HI
HO2S2 HTR (B1)
HO2S2 HTR (B2)
Engine speed: Below 3,600 rpm 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 ON
Engine speed: Above 3,600 rpm OFF
I/P PULLY SPD
Vehicle speed: More than 20 km/h (12 MPH) Almost the same speed as
the tachometer indication
VEHICLE SPEED
Turn drive wheels and compare CONSULT-II value with the speedometer
indication. Almost the same speed as
the speedometer indication
TRVL AFTER MIL
Ignition switch: ON Vehicle has traveled after MIL has turned
ON. 0 - 65,535 km
(0 - 40,723 miles)
SNOW MODE SW
Ignition switch: ON Snow mode switch: ON ON
Snow mode switch: OFF OFF
A/F S1 HTR (B1)
A/F S1 HTR (B2)
Engine: After warming up, idle the engine 0 - 100%
AC PRESS SEN
Engine: Idle
Both air conditioner switch and blower fan switch: ON (Compressor oper-
ates) 1.0 - 4.0V
VHCL SPEED SE
Turn drive wheels and compare CONSULT-II value with the speedometer
indication. Almost the same speed as
the speedometer indication
SET VHCL SPD
Engine: Running ASCD: Operating The preset vehicle speed is
displayed
MAIN SW
Ignition switch: ON MAIN switch: Pressed ON
MAIN switch: Released OFF
CANCEL SW
Ignition switch: ON CANCEL switch: Pressed ON
CANCEL switch: Released OFF
RESUME/ACC SW
Ignition switch: ON RESUME/ACCELERATE switch:
Pressed ON
RESUME/ACCELERATE switch:
Released OFF
SET SW
Ignition switch: ON SET/COAST switch: Pressed ON
SET/COAST switch: Released OFF
BRAKE SW1
(ICC/ASCD brake
switch)
Ignition switch: ON Brake pedal: Fully released ON
Brake pedal: Slightly depressed OFF
BRAKE SW2
(Stop lamp switch)
Ignition switch: ON Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
DIST SW
Ignition switch: ON DISTANCE switch: Pressed ON
DISTANCE switch: Released OFF
CRUISE LAMP
Ignition switch: ON MAIN switch: Pressed at the 1st time
→
at the 2nd time ON
→ OFF
MONITOR ITEM CONDITION SPECIFICATION

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS EC-799
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Revision: 2006 July 2007 FX35/FX45
*: Accelerator pedal position sensor 2 signal and throttle position sensor 2 signal are con

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INFINITI FX35 2007 Service Manual EC-800
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TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Major Sensor Reference Graph in Data Monitor ModeNBS004JY
The following are the major sensor reference graphs in “DATA MONITOR”

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