ignition INFINITI FX35 2008 Service Manual

SRS-22
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Diagnosis results previously stored in the memory are displayed on the CONSULT-III screen. The stored
results are not erased until memory erasing is executed.
 “TROUBLE DIAG RECORD”
With TROUBLE DIAG RECORD, diagnosis results previ ously erased by a reset operation can be displayed
on the CONSULT-III screen.
 “ECU DISCRIMINATED NO.”
The diagnosis sensor unit for each vehicle model is assigned with its own, individual classification number.
This number will be displayed on the CONSULT-III scr een, as shown. When replacing the diagnosis sensor
unit, refer to the part number for the compatibility. Af ter installation, replacement with a correct unit can be
checked by confirming this classification number on the CONSULT-III screen.
After repair, make sure the discriminated number of diagnosis sensor unit installed to vehicle are same.
Refer to SRS-44, "
Removal and Installation".
HOW TO CHANGE SELF-DIAGNOSIS MODE WITH CONSULT-III
From User Mode to Diagnosis Mode
After selecting “AIR BAG” on the “SELECT SYSTEM” screen, User mode automatically changes to Diagnosis
mode.
From Diagnosis Mode to User Mode
To return to User mode from Diagnosis mode, touch “BACK” key of CONSULT-III until “SELECT SYSTEM”
appears, then diagnosis mode automat ically changes to User mode.
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
 “SELF-DIAG [CURRENT]”
A current self-diagnostic result is displayed on the CONSULT-III screen in real time.
After the malfunction is repaired completely, no malfunction is detected on “SELF-DIAG [CURRENT]”.
 “SELF-DIAG [PAST]” Return to the “SELF-DIAG [CURRENT]” CONSULT-III screen by touching “BACK” key of CONSULT-III and
select “SELF-DIAG [CURRENT]” in SELECT DIAG MODE. Touch “ERASE” in “SELF-DIAG [CURRENT]”
mode.
NOTE:
If the memory of the malfunction in “SELF-DIAG [P AST]” is not erased, the User mode shows the system
malfunction by the operation of the warning lamp even if the malfunction is repaired completely.
 “TROUBLE DIAG RECORD”
The memory of “TROUBLE DI AG RECORD” cannot be erased.
Self-Diagnosis Function (Without CONSULT-III)INFOID:0000000001524166
 The reading of these results is accomplished “User mode” and “Diagnosis mode”.
 After a malfunction is repaired, turn ignition switch ON. Diagnosis mode returns to the User mode. At that
time, the self-diagnostic result is cleared.
HOW TO CHANGE SELF-DIAGNOSIS MODE WITHOUT CONSULT-III
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TROUBLE DIAGNOSISSRS-23
< SERVICE INFORMATION >
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HOW TO ERASE SELF-DIAGNOSIS RESULTS
After a malfunction is repaired, turn ignition swit ch OFF for at least one second, then back ON. Diagnosis
mode returns to the User mode. At that time, the self-diagnostic result is cleared.
SRS Operation CheckINFOID:0000000001524167
DIAGNOSTIC PROCEDURE
Checking Air Bag Operation by Using “AIR BAG” Warning Lamp — User Mode
1. Turn ignition switch from OFF to ON, and make sure that the air bag warning lamp blinks.
2. Compare the SRS air bag warning lamp blinking pattern with the
examples.
Warning lamp examples
BF-1845D
“AIR BAG” warning lamp operation — User mode
— SRS condition Reference item
 No malfunction is detected.
 No further action is necessary. —
 The system is malfunctioning and needs to be repaired as indicated. Go to
SRS-24, "
Trouble Diagnosis
with CONSULT-III" or SRS-28,
"Trouble Diagnosis without CON-
SULT-III".
SHIA0011E
SHIA0012E
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TROUBLE DIAGNOSISSRS-29
< SERVICE INFORMATION >
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Inspecting SRS Malfunctioning Parts by Using “AIR BAG” Warning Lamp — Diagnosis Mode
NOTE:
SRS will not enter Diagnosis mode if no malfunction is detected in User mode.
1. Turn ignition switch ON.
2. After “AIR BAG” warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
3. Wait more than 3 seconds.
4. Repeat the steps 1 to 3 twice. (Perform three times in all.)
5. Turn ignition switch ON.
SRS is now in Diagnosis mode.
“AIR BAG” warning lamp operates in Diagnosis mode as follows:
WARNING LAMP FLASH CODE CHART
PHIA0532E
SHIA0028E
PHIA1242E
PHIA1243E
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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
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TROUBLE DIAGNOSISSRS-33
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Replace 10A fuse [No. 14, located in fuse block (J/B)] and turn ignition switch ON.
Does the meter fuse blow again?
YES >> Repair or replace the related harness.
NO >> INSPECTION END
3.CHECK HARNESS CONNECTION BETWEEN DIAGNO SIS SENSOR UNIT AND COMBINATION METER
Disconnect diagnosis sensor unit connec tor and turn ignition switch ON.
Does AIR BAG warning lamp turn ON?
YES >> Replace diagnosis sensor unit.
NO >> Replace combination meter assembly.
Passenger Seatbelt Warning System (Seatbelt reminder).
1.CHECK THE SYSTEM 1
Check seatbelt warning lamp function.
Seatbelt warning lamp turns ON in the following conditions.
 Driver seatbelt is fastened.
 Occupant is on passenger seat.
 Passenger seatbelt is not fasten.
OK or NG
OK >> GO TO 2.
NG >> Check the followings.  Harness between air bag diagnosis sensor unit and combination meter.
 Seatbelt buckle switch (passenger side) circuit.
 Seatbelt buckle switch (passenger side).If these are OK, replace air bag diagnosis sensor unit.
2.CHECK THE SYSTEM 2
Check seatbelt warning lamp function.
Seatbelt warning lamp turns OFF in the following conditions.
 Driver seatbelt is fastened.
 Occupant is on passenger seat.
 Passenger seatbelt is fastened.
OK or NG
OK >> System is OK.
NG >> Check the followings.  Seatbelt buckle switch (passenger side) circuit.
 Seatbelt buckle switch (passenger side).
If these are OK, replace air bag diagnosis sensor unit.
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SRS-34
< SERVICE INFORMATION >
DRIVER AIR BAG MODULE
DRIVER AIR BAG MODULE
Removal and InstallationINFOID:0000000001327764
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 driver air bag module.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Remove the side lids.
2. Remove the right and left side TORX bolts (A).
3. Lift up the driver air bag module.
4. Disconnect the air bag harness connector, and remove the driv-
erair bag module.
NOTE:
 For installing / removing driver air bag module connector,insert thin screwdriver wrapped in tape into notch, lift lock and
remove connector.
 Install connector with lock raised, and push lock into connec- tor.
 After installing the connector, make sure that the lock is pushed securely into it.
CAUTION:
PHIA0685E
1. Driver air bag module 2. Steering wheel 3. TORX bolt (LH/RH)
4. Side lid (LH/RH)
JMHIA0367ZZ
PHIA0308E
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SRS-36
< SERVICE INFORMATION >
SPIRAL CABLE
SPIRAL CABLE
Removal and InstallationINFOID:0000000001327765
WARNING:
 Before servicing SRS, turn ignition switch OFF, disconnect both ba ttery cables and wait at least 3
minutes.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Remove driver air bag module. Refer to SRS-34, "Removal and Installation".
2. Disconnect steering switch harness connector.
3. Set the steering wheel in the neutral position.
4. Removal steering wheel. Refer to PS-10, "
Removal and Installation".
5. Remove steering column covers. Refer to IP-11, "
Removal and Installation".
6. Loosen the spiral cable fixing screws, and then remove the spiral cable. CAUTION:
 Do not disassemble spiral cable.
 Do not apply lubricant to the spiral cable.
 Do not make an impact to the spiral cable by dro pping etc. Replace the spiral cable if it has been
dropped or sustained an impact.
7. Disconnect the horn switch connec tor, and then the spiral cable
connector.
CAUTION:
 Do not tap or bump the steering wheel.
 Also, with the steering li nkage disconnected the cable
may snap by turning the st eering wheel beyond the lim-
ited number of turns.
8. Remove the wiper washer switch and lighting switch from the spiralcable.
INSTALLATION
Install in the reverse order of removal.
PHIA1336E
1. Steering wheel 2. Spiral cable 3. Driver air bag module connector
4. Screw 5. Wiper and washer switch 6. Lighting and turn signal switch
7. Steering column assembly 8. Steering column cover (upper) 9. Steering column cover (lower)
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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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SRS-40
< SERVICE INFORMATION >
SIDE CURTAIN AIR BAG MODULE
SIDE CURTAIN AIR BAG MODULE
Removal and InstallationINFOID:0000000001327767
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 th e side curtain air bag module.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Remove headlining. Refer to EI-43, "Component Parts Location".
2. Disconnect side curtain air bag connector. NOTE:
 For installing / removing side curtain air bag module connec-
tor, insert thin screwdriver wrapped in tape into notch, lift lock
and remove connector.
 Install connector with lock raised, and push lock into connec- tor.
 After installing the connector, make sure that the lock is
pushed securely into it.
3. Remove side curtain air bag module fixing bolts, and then remove the side curtain air bag module.
CAUTION:
 Always place the side curtain ai r bag module with the warning
label facing upward.
 Do not disassemble side cu rtain air bag module.
 Do not insert any foreign object s (screwdriver, etc.) into air
bag module connector.
1. Side curtain air bag Inflator 2. Side curtain air bag 3. Bolt
4. Assist grip bracket 5. Bolt (There is no torque control)
PHIA0656E
PHIA0953J
PHIA0317E
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SRS-42
< SERVICE INFORMATION >
CRASH ZONE SENSOR
CRASH ZONE SENSOR
Removal and InstallationINFOID:0000000001327768
WARNING:
 Before servicing SRS, turn ignition switch OFF, disconnect both ba ttery cables and wait at least 3
minutes.
 Do not use air tools or el ectric tools for servicing.
REMOVAL
1. Remove front grille. Refer to EI-22, "Component Parts Location".
2. Remove crash zone sensor connector.
3. Remove crash zone sensor fixing nuts.
CAUTION:
 Replace crash zone sensor if it has b een dropped or sustained an impact.
 Do not disassemble crash zone sensor.
 Do not use old fixing nuts afte r removal; replace with new nuts.
 Replace the crash zone sensor of deployed SRS dr iver air bag and deployed SRS front passenger air
bag.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
 Be careful not to damage the crash zone sensor harness.
 After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
 In case that malfunction is detected by the air ba g warning lamp, reset by the self-diagnosis function
and delete the memory by CONSULT −III.
 In case that malfunction is still de tected after the above operation, perform self-diagnosis to repair
malfunctions. Refer to SRS-23, "
SRS Operation Check".
PHIA0316E
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