2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS TF-21
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Revision: 2006 July 2007 FX35/FX45
AWD Control Unit Input/Output Signal Reference ValuesNDS000A4
AWD CONTROL UNIT INSPECTION TABLE
Speci

TROUBLE DIAGNOSIS TF-21
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Revision: 2006 July 2007 FX35/FX45
AWD Control Unit Input/Output Signal Reference ValuesNDS000A4
AWD CONTROL UNIT INSPECTION TABLE
Specifications with CONSULT-II
Monitored item [Unit] Content Condition Display value
FR RH SENSOR
(km/h) or (mph) Wheel speed
(Front wheel right) Vehicle stopped 0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under
standard condition. Approximately equal to
the indication on speed-
ometer (Inside of ±10%)
FR LH SENSOR
(km/h) or (mph) Wheel speed
(Front wheel left) Vehicle stopped 0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under
standard condition. Approximately equal to
the indication on speed-
ometer (Inside of ±10%)
RR RH SENSOR
(km/h) or (mph) Wheel speed
(Rear wheel right) Vehicle stopped 0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under
standard condition. Approximately equal to
the indication on speed-
ometer (Inside of ±10%)
RR LH SENSOR
(km/h) or (mph) Wheel speed
(Rear wheel left) Vehicle stopped 0.00 km/h (0.00 mph)
Vehicle running
CAUTION:
Check air pressure of tire under
standard condition. Approximately equal to
the indication on speed-
ometer (Inside of ±10%)
BATTERY VOLT
(V) Power supply voltage for
AWD control unit Ignition switch: ON Battery voltage
THRTL POS SEN
(%) Throttle opening condition When depressing accelerator pedal
(Value rises gradually in response to
throttle position.) 0 - 100%
ETS SOLENOID
(A) Monitored value of current at
AWD solenoid Engine running
At idle speed
Approx. 0.000A
Engine running
When depressing accelerator
pedal Approx. 0.000 - 2.400A*
STOP LAMP SW
(ON/OFF) Condition of brake pedal
operation Brake pedal: Depressed ON
Brake pedal: Released OFF
ENG SPEED SIG
(RUN/STOP) Condition of engine running Engine stopped
(Engine speed: Less than 400 rpm) STOP
Engine running
(Engine speed: 400 rpm or more) RUN
ETS ACTUATOR
(ON/OFF) Operating condition of AWD
actuator relay (integrated in
AWD control unit) Engine stopped (Ignition
switch: ON) OFF
Engine running ON
4WD WARN LAMP
(ON/OFF) AWD warning lamp condition AWD warning lamp: ON ON
AWD warning lamp: OFF OFF
4WD MODE MON
(AUTO) Control status of AWD Engine running AUTO
DIS-TIRE MONI
(mm) Improper size tire installed
condition Vehicle running with normal size tire
installed 0-4 mm
Vehicle running with improper size
tire installed (Front/rear tire size dif-
ference, wear condition) 4-8 mm, 8- mm

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INFINITI FX35 2007 Service Manual TF-22
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
*: The values are changed by throttle opening and engine speed.
CONSULT-II Function (ALL MODE AWD/4WD)NDS000A5
FUNCTION
CONSULT-II can displa

TF-22
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
*: The values are changed by throttle opening and engine speed.
CONSULT-II Function (ALL MODE AWD/4WD)NDS000A5
FUNCTION
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II SETTING PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAG RESULT MODE
Operation Procedure
1. Perform “CONSULT-II Start Procedure”. Refer to GI-38, "CONSULT-II Start Procedure" .
2. Start engine and drive at 30 km/h (19 MPH) or more for approx. 1 minute.
3. Stop vehicle. With engine at idle, touch “SELF-DIAG RESULTS”. Display shows malfunction experienced since the last erasing
operation.
NOTE:
The details for “TIME” are as follow:
–“0”: Error currently detected with AWD control unit.
–Except for “0”: Error detected in the past and memorized
with AWD control unit.
Detects frequency of driving after DTC occurs (frequency
of turning ignition switch “ON”).
Display Item List
P BRAKE SW
(ON/OFF) Condition of parking brake Parking brake operated ON
Parking brake not operated OFF
Monitored item [Unit] Content Condition Display value
Diagnostic test mode Function
Reference
page
Self-diagnostic results
Self-diagnostic results can be read and erased quickly. TF-22
Data monitorInput/Output data in the AWD control unit can be read.TF-24
CAN diagnostic support monitorThe results of transmit/receive diagnosis of CAN communication can be read.LAN-44
Active testDiagnostic Test Mode in which CONSULT-II drives some actuators apart from
the AWD control unit and also shifts some parameters in a specified range. TF-25
ECU part numberAWD control unit part number can be read.
TF-25
SDIA2217E
Items (CONSULT-II screen
terms) Diagnostic item is detected when... Check item
CONTROLLER FAILURE
[C1201] Malfunction has occurred inside AWD control unit.
TF-27, "
AWD Control Unit"
ABS SYSTEM
[C1203] Malfunction related to wheel sensor has been detected by ABS actu-
ator and electric unit (control unit). TF-27, "ABS System"
4WD SOLENOID
[C1204] Malfunction related to AWD solenoid has been detected.
TF-28, "AWD Solenoid"
4WD ACTUATOR RLY
[C1205] Malfunction has been detected from AWD actuator relay integrated
with AWD control unit, or malfunction related to AWD solenoid has
been detected. TF-31, "AWD Actuator
Relay" or
TF-28, "AWD
Solenoid"
ENGINE SIGNAL 1
[C1210] Malfunction has been detected from ECM. TF-32, "Engine Control Sig-
nal"
CAN COMM CIRCUIT
[U1000] When AWD control unit is not transmitting or receiving CAN commu-
nication signal for 2 seconds or more. TF-32, "CAN Communica-
tion Line"
NO DTC IS DETECTED.
FURTHER TESTING MAY BE
REQUIRED. No NG item has been detected. —

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INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS TF-23
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Revision: 2006 July 2007 FX35/FX45
CAUTION:
If “CAN COMM CIRCUIT [U1000]” is displayed with other DTCs, first perform the trouble di

Page 4228 of 4366

INFINITI FX35 2007 Service Manual TF-24
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
DATA MONITOR MODE
Operation Procedure
1. Perform “CONSULT-II Start Procedure”. Refer to GI-38, "CONSULT-II Start Procedure" .
2. Touc

TF-24
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
DATA MONITOR MODE
Operation Procedure
1. Perform “CONSULT-II Start Procedure”. Refer to GI-38, "CONSULT-II Start Procedure" .
2. Touch “DATA MONITOR”.
3. Select from “SELECT MONITOR ITEM”, screen of data monitor mode is displayed. NOTE:
When malfunction is detected, CONSULT-II performs REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed at real time.
Display Item List
× : Standard –: Not applicable
Monitored item (Unit) Monitor item selection
Remarks
ECU INPUT
SIGNALS MAIN
SIGNALS SELECTION
FROM MENU
FR RH SENSOR
(km/h) or (mph) ××× Wheel speed calculated by front wheel sensor RH
signal is displayed.
FR LH SENSOR
(km/h) or (mph) ××× Wheel speed calculated by front wheel sensor LH
signal is displayed.
RR RH SENSOR
(km/h) or (mph) ×××
Wheel speed calculated by rear wheel sensor RH
signal is displayed.
RR LH SENSOR
(km/h) or (mph) ××× Wheel speed calculated by rear wheel sensor LH
signal is displayed.
BATTERY VOLT
(V) ––
×Power supply voltage for AWD control unit
THRTL POS SEN
(%) ––
×Throttle opening status is displayed.
ETS SOLENOID
(A) ––
×Monitored value of current at AWD solenoid
STOP LAMP SW
(ON/OFF) ––
× Stop lamp switch signal status via CAN communica-
tion line is displayed.
ENG SPEED SIG
(RUN/STOP) ––
×Engine status is displayed.
ETS ACTUATOR
(ON/OFF) ––
× Operating condition of AWD actuator relay (inte-
grated in AWD control unit) is displayed.
4WD WARN LAMP
(ON/OFF) ––
×Control status of AWD warning lamp is displayed.
4WD MODE SW
(AUTO) ––
×AWD lock switch is not equipped, but displayed.
4WD MODE MON
(AUTO) ––
×Control status of AWD is displayed.
DIS-TIRE MONI
(mm) ––
×Improper size tire installed condition is displayed.
P BRAKE SW
(ON/OFF) ––
× Parking switch signal status via CAN communica-
tion line is displayed.
Voltage
(V) ––
× The value measured by the voltage probe is dis-
played.

Page 4229 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS TF-25
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Revision: 2006 July 2007 FX35/FX45
ACTIVE TEST MODE
Description
Use this mode to determine and identify the details of a malfunction bas

Page 4230 of 4366

INFINITI FX35 2007 Service Manual TF-26
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 July 2007 FX35/FX45
TROUBLE DIAGNOSIS FOR SYSTEMPFP:00000
Power Supply Circuit for AWD Control UnitNDS000A6
CONSULT-II REFERENCE VALUE IN DATA MONITOR

Page 4231 of 4366

INFINITI FX35 2007 Service Manual TROUBLE DIAGNOSIS FOR SYSTEM TF-27
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Revision: 2006 July 2007 FX35/FX45
2. CHECK GROUND CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit

Page 4232 of 4366

INFINITI FX35 2007 Service Manual TF-28
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2006 July 2007 FX35/FX45
2. CHECK DTC AFTER DRIVING
1. Turn ignition switch “OFF”.
2. Start engine and drive vehicle at 30 km/h (19 MPH) for at least

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