display INFINITI FX35 2008 Service Manual

SRS-24
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Trouble Diagnosis with CONSULT-III
INFOID:0000000001524168
DIAGNOSTIC PROCEDURE
DTC No. Index (“SELF-DIAG [ CURRENT]” “SELF-DIAG [PAST]” or TROUBLE DIAG RECORD)
 Air bag is deployed.
 Seat belt pre-tensioner is deployed. Go to
SRS-47, "For Frontal Colli-
sion" or SRS-48, "For Side Collision"
 Diagnosis sensor unit is malfunction-
ing.
 Air bag power supply circuit is mal-
functioning.
 SRS air bag warning lamp circuit is malfunctioning. Go to
SRS-32, "
Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
Turn OFF".
 Diagnosis sensor unit is malfunction- ing.
 Air bag warning lamp circuit is mal-
functioning. Go to
SRS-32, "
Trouble Diagnosis:
"AIR BAG" Warning Lamp Does Not
Turn ON".
“AIR BAG” warning lamp operation — User mode
—
SRS condition Reference item
SHIA0013E
SHIA0014E
Diagnostic mode Description
SELF-DIAG RESULT The self-d iagnosis result is Displayed. (SELF-DIAG [ CURRENT], [PAST], [RECORD])
ECU DISCRIMINATED No. The parts number of diagnosis sensor units displayed.
Diagnostic item Explanation Repair order
“Recheck SRS at each replacement”
NO DTC IS DETECT-
ED. When malfunction is in-
dicated by the “AIR
BAG” warning lamp in
User mode. Low battery voltage (Less than 9V)
 Self-diagnostic result “SELF-DIAG
[PAST]” (previously stored in the
memory) might not be erased after re-
pair.
 Intermittent malfunction has been de- tected in the past. Go to
SRS-21, "
CONSULT-III Func-
tion".
 No malfunction is detected. —
DIAGNOSIS SENSOR
UNIT (CONTROL UNIT)
[B1001-B1015]  Diagnosis sensor is out of order.  Replace diagnosis sensor unit.
(ACU)
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SRS-32
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Trouble Diagnosis: "AIR BAG" Warning Lamp Does Not Turn OFF
INFOID:0000000001524170
DIAGNOSTIC PROCEDURE
1.CHECK DEPLOYMENT OF AIR BAG MODULE
Check the air bag module.
Is
“AIR BAG MODULE” deployed?
YES >> Refer to SRS-47, "For Frontal Collision" or SRS-48, "For Side Collision".
NO >> GO TO 2.
2.CHECK AIR BAG FUSE
Check the air bag fuse. Refer to PG-16, "
Fuse".
Check 10A fuse [No.13, located in fuse block (J/B)] normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK AIR BAG FUSE AGAIN
Replace “AIR BAG” fuse and turn ignition switch ON.
Does the
“AIR BAG” fuse blow again?
YES >> Repair or replace main harness.
NO >> INSPECTION END
4.CHECK DIAGNOSIS SENSOR UNIT
Check the screen of CONSULT-III.
Is
“DIAGNOSIS SENSOR UNIT” displayed on CONSULT-III?
YES >> Replace diagnosis sensor unit.
NO >> GO TO 5.
5.CHECK HARNESS CONNECTION
Check the connection of harness connector.
Is harness connection between warning lamp and diagnosis sensor unit normal?
OK >> Check the intermittent incident.
NO >> Replace wiring harness connector.
Trouble Diagnosis: "AIR BAG" Warning Lamp Does Not Turn ONINFOID:0000000001524171
DIAGNOSTIC PROCEDURE
1.CHECK METER FUSE
Check the meter fuse. Refer to PG-16, "
Fuse".
Check 10A fuse [No.14, located in fuse block (J/B)] normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK METER FUSE AGAIN
PHIA1241E
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SRS-38
< SERVICE INFORMATION >
FRONT PASSENGER AIR BAG MODULE
FRONT PASSENGER AIR BAG MODULE
Removal and InstallationINFOID:0000000001327766
WARNING:
 Before servicing SRS, turn ignition switch OFF, disconnect both ba ttery cables and wait at least 3
minutes.
 Always work from the side of or under front passenger air bag module.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Disconnect front passenger air bag module connector (1).
2. Remove glove box assembly and instrument passenger lower panel. Refer to IP-11, "
Removal and Instal-
lation".
3. Remove display control unit, if navigation system is equipped.
4. Remove tire pressure warning control unit, if tire pressure warning control system is equipped.
5. Remove the front passenger air bag module fixing bolt and nuts, and then remove front passenger air bag module.
CAUTION:
 Always place front passenger air bag module with caution label side facing upward.
 Do not insert any foreign objects (screwdriver, etc.) into front
passenger air bag module.
 Do not disassemble front passenger air bag module.
 Do not use old bolt after removal; replace with new bolt.
PHIA1337E
PHIA0322E
PHIA0325E
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TF-20
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Trouble Diagnosis Chart by Symptom
INFOID:0000000001327440
If AWD warning lamp turns ON, perform self-diagnosis. Refer to TF-21, "CONSULT-III Function (ALL MODE AWD/4WD)".
NOTE:
Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction.
AWD Control Unit Input/Output Signal Reference ValueINFOID:0000000001327441
AWD CONTROL UNIT INSPECTION TABLE
Specifications with CONSULT-III
Symptom Condition Check item Reference page
AWD warning lamp does not turn ON when
the ignition switch is turned to ON.
(AWD warning lamp check) Ignition switch: ONCAN communication line
TF-30
Unified meter and A/C amp.
Unified meter control unit
AWD warning lamp does not turn OFF sev-
eral seconds after engine started. Engine runningCAN communication line
TF-30
Power supply and ground for AWD con-
trol unit
Unified meter and A/C amp.
Unified meter control unit
AWD solenoid
AWD actuator relay (integrated in AWD
control unit)
Wheel sensor
Heavy tight-corner braking symptom occurs
when the vehicle is driven and the steering
wheel is turned fully to either side after the
engine is started. (See NOTE.)  While driving
 Steering wheel is
turned fully to either
sides CAN communication line
TF-32
Accelerator pedal position signal
AWD solenoid
Mechanical malfunction of electric con-
trolled coupling (clutch sticking etc.)
Vehicle does not enter AWD mode even
though AWD warning lamp turned to OFF. While drivingAWD solenoid
TF-33
Mechanical malfunction of electric con-
trolled coupling (Mechanical engage-
ment of clutch is not possible.)
While driving, AWD warning lamp flashes
rapidly. (When flashing in approx. 1 minute
and then turning OFF.)
Rapid flashing: 2 times/second While drivingProtection function is activated due to
heavy load to electric controlled cou-
pling. (AWD system is not malfunction-
ing. Also, optional distribution of torque
sometimes becomes rigid before lamp
flashes rapidly, but it is not malfunction.) TF-33
While driving, AWD warning lamp flashes
slowly. (When continuing to flash until turn-
ing ignition switch OFF)
Slow flashing: 1 time/2 seconds While driving
 Vehicle speed: 20 km/h
(12 MPH) or more Tire size is different between front and
rear of vehicle.
TF-33
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%)
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TROUBLE DIAGNOSISTF-21
< SERVICE INFORMATION >
CEF
G H
I
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K L
M A
B
TF
N
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*: The values are changed by throttle opening and engine speed.
CONSULT-III Function (ALL MODE AWD/4WD)INFOID:0000000001327442
FUNCTION
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
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 unitIgnition 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 solenoidEngine running
 At idle speed
Approx. 0.000A
Engine running
 When depressing accelerator ped- al Approx. 0.000 - 2.400A*
STOP LAMP SW [ON/OFF] Condition of brake pedal oper-
ationBrake pedal: Depressed ON
Brake pedal: Released OFF
ENG SPEED SIG [RUN/STOP] Condi tion of engine runningEngine 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 conditionAWD 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
conditionVehicle 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
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
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TF-22
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
SELF-DIAG RESULT MODE
Drive at 30 km/h or more for approximately 1 minute before performing the self-diagnosis.
Display Item List
CAUTION:
 If “CAN COMM CIRCUIT [U1000]” is displayed with other DTCs, first perform the trouble diagnosis for CAN communication
line.
 Make sure that ABS warning lamp turns OFF by driving for a minute at vehicle speed of 30 km/h (19 MPH) or more after turn- ing ignition switch “OFF” if AWD warning lamp turns ON with system malfunction of “ABS SYSTEM [C1203]”. AWD warning
lamp may not turn OFF if it is normal unless ignition switch turns OFF at once and engine restarts after that.
How to Erase Self-Diagnostic Results
Before erasing DTC memory, start the engine and drive at 30 km/h or more for approximately 1 minute.
Checkthat ABS warning lamp turns OFF.
NOTE:
Make sure that ABS warning lamp turns OFF by driv ing for a minute at vehicle speed of 30 km/h (19
MPH) or more after turning ignition switch “OFF ” if AWD warning lamp turns ON with system malfunc-
tion of “ABS SYSTE M [C1203]”. AWD warning lamp may not turn OFF if it is normal unless ignition
switch turns OFF at once and engine restarts after that.
DATA MONITOR MODE
Display Item List
Diagnostic test mode Function
ECU part number 4WD control unit part number can be read.
Self-diagnostic results Self-diagnostic results can be read and erased quickly.
Data monitor Input/Output data in the 4WD control unit can be read.
Active test Diagnostic Test Mode in which CONSULT-III drives some actuators apart from the 4WD control unit
and also shifts some parameters in a specified range.
Items (CONSULT-III screen
terms) Diagnostic item is detected when... Check item
CONTROLLER FAILURE
[C1201] Malfunction has occurred inside AWD control unit. TF-24, "
DTC C1201 CON-
TROLLER FAILURE"
ABS SYSTEM
[C1203]Malfunction related to wheel sensor
has been detected by ABS actu-
ator and electric unit (control unit). TF-24, "DTC C1203 ABS
SYSTEM"
4WD SOLENOID
[C1204]
Malfunction related to AWD solenoid has been detected.
TF-25, "DTC C1204 4WD
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-27, "
DTC C1205 4WD
ACTUATOR RLY" or
TF-25,
"DTC C1204 4WD SOLE-
NOID"
ENGINE SIGNAL 1
[C1210] Malfunction has been detected from ECM. TF-28, "DTC C1210 EN-
GINE SIGNAL 1"
CAN COMM CIRCUIT
[U1000]When AWD control unit is not transmitting or receiving CAN commu-
nication signal for 2 seconds or more. TF-28, "DTC U1000 CAN
COMM CIRCUIT"
NO DTC IS DETECTED.
FURTHER TESTING MAY BE
REQUIRED.
No NG item has been detected. —
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TROUBLE DIAGNOSISTF-23
< SERVICE INFORMATION >
CEF
G H
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K L
M A
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TF
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× : Standard : Not applicable
ACTIVE TEST MODE
Description
Use this mode to determine and identify the details of a malfunction based on self-diagnostic results or data
monitor. AWD control unit gives drive signal to actuat or with receiving command from CONSULT-III to check
operation of actuator.
Test Item
CAUTION:
Do not continuously energize for a long time.
Monitored item (Unit) Monitor Menu
Remarks
ECU INPUT
SIGNALS MAIN
SIGNALS
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 commu-
nication line is displayed.
ENG SPEED SIG [RUN/STOP] Eng ine 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 communi-
cation line is displayed.
Test item Condition Description
ETS S/V
(Detects AWD solenoid valve)  Vehicle stopped
 Engine running
 No DTC detected Change command current value to AWD solenoid, and then change driving
mode. (Monitor value is normal if it is within approximately ±10% of com-
mand value.)
Qu: Increase current value in increments of 0.20A
Qd: Decrease current value in increments of 0.20A
UP: Increase current value in increments of 0.02A
DOWN: Decrease current value in increments of 0.02A
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TF-24
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS FOR SYSTEM
TROUBLE DIAGNOSIS FOR SYSTEM
DTC C1201 CONTROLLER FAILUREINFOID:0000000001327444
DIAGNOSTIC PROCEDURE
 Check the following if “CONTROLLER FAILURE [C1201]” is displayed in self-diagnostic results of CON-SULT-III.
1.PERFORM SELF-DIAGNOSIS
With CONSULT-III1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode fo r “ALL MODE AWD/4WD” with CONSULT-III.
3. Touch “ERASE”.
4. Turn ignition switch “OFF” and wait at least 10 seconds.
5. Perform the self-diagnosis again.
Is the
“CONTROLLER FAILURE [C1201]” displayed?
YES >> Replace AWD control unit. Refer to TF-35.
NO >> INSPECTION END
DTC C1203 ABS SYSTEMINFOID:0000000001327445
DIAGNOSTIC PROCEDURE
 Check the following if “ABS SYSTEM [C1203]” is disp layed in self-diagnostic results of CONSULT-III.
1.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Perform self-diagnosis with ABS actuator and electric unit (control unit). Refer to BRC-26, "
Self-Diagnosis".
Is any malfunction detec ted by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
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 1 minute.
3. Make sure that ABS warning lamp turns OFF.
4. Perform erase self-diagnostic results. Refer to TF-21, "
CONSULT-III Function (ALL MODE AWD/4WD)".
5. Stop vehicle and turn ignition switch “OFF”.
6. Turn ignition switch “ON”.
7. Perform self-diagnosis.
Is the
“ABS SYSTEM [C1203]” displayed?
YES >> GO TO 3.
NO >> INSPECTION END
3.CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to TF-20, "
AWD Control Unit Input/Output Signal Reference
Va l u e".
OK or NG
OK >> GO TO 4.
NG >> Check AWD control unit pin terminals for dam age or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
4.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK >> INSPECTION END
NG >> Perform self-diagnosis with ABS actuator and electric unit (control unit) again. Refer to BRC-26,
"Self-Diagnosis".
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TROUBLE DIAGNOSIS FOR SYSTEMTF-25
< SERVICE INFORMATION >
CEF
G H
I
J
K L
M A
B
TF
N
O P
DTC C1204 4WD SOLENOIDINFOID:0000000001327446
CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
*: The values are changed by throttle opening and engine speed.
DIAGNOSTIC PROCEDURE
 Check the following if “4WD SOLENOID [C1204]” is di splayed in self-diagnostic results of CONSULT-III.
1.CHECK AWD SOLENOID SIGNAL
With CONSULT-III
1. Start engine.
2. Select “DATA MONITOR” mode for “A LL MODE AWD/4WD” with CONSULT-III.
3. Read out the value of “ETS SOLENOID”.
*: The values are changed by throttle opening and engine speed.
OK or NG
OK >> GO TO 6.
NG >> GO TO 2.
2.CHECK POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between AWD control unit harness connector ter- minal 9 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or replace damaged parts.
 10A fuse [No. 21, located in the fuse block (J/B)]
 Harness for short or open between battery and AWD control unit harness connector terminal 9
3.CHECK AWD SOLENOID CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
Monitored item [Unit] Condition Display value
ETS SOLENOID [A] Engine running At idle speed Approx. 0.000A
When depressing accelerator pedal Approx. 0.000 - 2.400A*
Condition Display value
Engine running At idle speed Approx. 0.000A
When depressing accelerator
pedal
Approx. 0.000 - 2.400A*
Connector Terminal Voltage (Approx.)
M92 9 - Ground Battery voltage
SDIA1884E
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TROUBLE DIAGNOSIS FOR SYSTEMTF-27
< SERVICE INFORMATION >
CEF
G H
I
J
K L
M A
B
TF
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O P
1. Turn ignition switch “OFF”.
2. Disconnect transfer assembly harness connector.
3. Check resistance between transfer assembly harness connector F43 terminals 1 and 2.
4. If NG, replace electric controlled coupling. Refer to TF-40, "
Dis-
assembly and Assembly".
DTC C1205 4WD ACTUATOR RLYINFOID:0000000001327447
CONSULT-III REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
DIAGNOSTIC PROCEDURE
 Check the following if “4WD ACTUATOR RLY [C1205]” is displayed in self-diagnostic results of CONSULT-
III.
1.CHECK AWD SOLENOID SYSTEM
Perform self-diagnosis. Refer to TF-21, "
CONSULT-III Function (ALL MODE AWD/4WD)".
Is the
“4WD SOLENOID [C1204]” displayed?
YES >> Perform trouble diagnosis for AWD solenoid. Refer to TF-25, "DTC C1204 4WD SOLENOID".
NO >> GO TO 2.
2.CHECK AWD ACTUATOR RELAY SIGNAL
With CONSULT-III
1. Turn ignition switch “ON”. (Do not start engine.)
2. Select “DATA MONITOR” mode for “A LL MODE AWD/4WD” with CONSULT-III.
3. Start engine and read out ON/OFF signal of “ETS ACTUATOR”.
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3.CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to TF-20, "
AWD Control Unit Input/Output Signal Reference
Va l u e".
OK or NG
OK >> GO TO 4.
NG >> Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
4.CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while. 1 - 2 : Approx. 2.45
Ω
SDIA2162E
Monitored item Condition Display value
ETS ACTUATOR [ON/OFF] Engine stopped (Ignition switch: ON) OFF
Engine running ON
Monitor item Condition Display value
ETS ACTUATOR Engine stopped (Ignition switch: ON) OFF
Engine running ON
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