Page 1554 of 2395

SEL532V
PRELIMINARY CHECKNBEL0184S021. Turn ignition switch ON.
2. Check ªMAYDAYº, ªINFORMATIONº, ªREDIALº and ªNO SER-
VICEº indicator lamps operation.
SEL516V
IIf no malfunction is detected, indicator lamps will turn off after
the bulb check (self-diagnosis) is terminated for about 30 sec-
onds or more.
NOTE:
IBulb check (self-diagnosis) is not performed unless the ignition
switch has been turned off for at least 3 minutes.
IBulb check is not performed during contact with Communica-
tor Response Center.
SEL517V
IIf the system detects malfunctions, both ªMAYDAYº and
ªINFORMATIONº indicator lamps remain illuminated. Perform
self-diagnosis using CONSULT-II and repair or replace the sys-
tem. Refer to ªHow to Perform Self-diagnosisº, EL-364.
NOTE:
For details of indicator lamps operation, refer to ªINDICATOR
LAMPS OPERATIONº, EL-354.
SYMPTOM CHART 1 (CONSULT-II SELF-DIAGNOSIS
ITEM)
NBEL0184S03
Detected items
(Screen items)Description Service procedure
CONNECTION ERROR
[GPS ANTENNA]Connection error between GPS antenna and IVCS unit.Go to GPS ANTENNA CHECK,
EL-376.
CELLULAR PHONE
[TWB ERROR]Communication error between CPU in the IVCS unit and
transceiverReplace IVCS unit.
MEMORY ERROR Inner memory error of the IVCS unit Replace IVCS unit.
CONNECTION ERROR
[AIR BAG]Connection error between air bag diagnosis sensor unit
and IVCS unit.Go to AIR BAG DIAGNOSIS SEN-
SOR COMMUNICATION CHECK,
EL-376.
CONNECTION ERROR [IVMS or
S/ENT]Connection error between smart entrance control unit
and IVCS unit.
If this error occurs, alarm notification and auto door
unlock may not operate.Go to SMART ENTRANCE CON-
TROL UNIT COMMUNICATION
CHECK, EL-376.
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INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-369
Page 1555 of 2395

NOTE:
After replacing IVCS unit, set up the replaced IVCS unit. Refer
to ªSystem Setting (When IVCS Unit is Replaced.)º in EL-381.
SYMPTOM CHART 2 (BASED ON SYMPTOM)NBEL0184S04Before referencing this chart, confirm the operation of the indicator
lamps. Refer to ªPRELIMINARY CHECKº in EL-369. If the indica-
tors show the system is malfunctioning, perform the self-diagnosis
using CONSULT-II.
Symptom Diagnoses/service procedure Reference page
ªMAYDAYº, ªINFORMATIONº, ªRE-DIALº,
ªNO SERVICEº indicator lamps do not illu-
minate when ignition switch is turned to ON
position. (Bulb check is NG.)1. Power supply and ground circuit for IVCS unit check EL-371
2. Indicator lamps check EL-372
Mayday/Information call does not operate.1. IVCS switch check EL-373
2. INFINITI Communicator operation check in demonstration
modeEL-379
Remote door unlocking function does not
operate.1. Back door handle switch check EL-374
2. Remote door unlock function check EL-374
3. INFINITI Communicator operation check in demonstration
modeEL-379
Stolen vehicle tracking function does not
operate.1. Stolen vehicle tracking setting check
(Check whether the function is disabled or not.)EL-375
2. INFINITI Communicator operation check in demonstration
modeEL-379
Alarm notification function does not oper-
ate.1. Alarm notification setting check
(Check whether the function is disabled or not.)EL-375
2. INFINITI Communicator operation check in demonstration
modeEL-379
Hands free telephone cannot be operated
by using steering switch.
(Cellular phone operates properly by using
handset.)1. Telephone steering switch check EL-377
No sounds related to the telephone are
heard from Front RH speaker. (If the audio
does not operate properly, check the audio
system.)1. Check harness for open or short between IVCS unit and
audio unit.Ð
The ªNO SERVICEº indicator lamp is not
turned off. (Even if a contract with tele-
phone carrier has not been made, the indi-
cator lamp remains illuminated.)1. Make sure the vehicle is in an area with cellular service. Ð
2. Check cellular phone antenna feeder cable connection. Ð
Cellular phone does not operate properly.1. Check hand set connector connection. Ð
2. Check hand set. Ð
No sound is transmitted to the other party
by hands free telephone.1. Check harness for open or short between IVCS unit and
microphone.Ð
2. Replace microphone. (IVCS switch assembly) Ð
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-370
Page 1556 of 2395
SEL976VA
POWER SUPPLY AND GROUND CIRCUIT FOR IVCS
UNIT CHECK
NBEL0184S05Main Power Supply Circuit CheckNBEL0184S0501
Terminal Ignition switch
(+) (þ) OFF ACC ON
18 GroundBattery volt-
ageBattery volt-
ageBattery volt-
age
2 Ground 0V 0VBattery volt-
age
If NG, check the following:
I15A fuse [No. 4, located in fuse and fusible link box]
I7.5A fuse [No. 11, located in fuse block (J/B)]
IHarness for open or short between fuse and IVCS unit
SEL519VB
Ground Circuit CheckNBEL0184S0502
Terminals Continuity
17 - Ground Yes
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INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-371
Page 1557 of 2395
INDICATOR LAMPS CHECK=NBEL0184S06
1 CHECK POWER SUPPLY FOR INDICATOR LAMPS
Check voltage between IVCS switch terminal 1 and ground.
SEL372X
OK or NG
OK©GO TO 2.
NG©Check the following.
I15A fuse [No. 4, located in fuse block (J/B)]
IHarness for open or short between fuse and IVCS switch
2 CHECK INDICATOR LAMPS
1. Disconnect IVCS unit connector (Control unit connector).
2. Apply ground to IVCS switch each terminal and check illumination.
SEL373X
OK or NG
OK©Check harness for open or short between indicators and IVCS unit.
NG©Replace IVCS switch assembly.
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-372
Page 1559 of 2395

BACK DOOR HANDLE SWITCH CHECK=NBEL0184S08
1 CHECK BACK DOOR HANDLE SWITCH INPUT SIGNAL
1. Turn ignition switch ON.
2. Select ªSWITCH MONITORº in ªDATA MONITORº mode.
3. Check the switch operation.
Condition:
When back door handle switch is pushed:
DR HANDLE ON
When back door handle switch is released:
DR HANDLE OFF
NOTE:
When CONSULT-II ªDATA MONITORº mode is operating, INFINITI Communicator does not dial to Communicator
Response Center when the switches are operated.
OK or NG
OK©Back door handle switch is OK.
NG©GO TO 2.
2 CHECK BACK DOOR HANDLE SWITCH
1. Disconnect back door handle switch connector.
2. Check continuity between back door handle switch terminals 1 and 2.
SEL375X
OK or NG
OK©Check the following.
IBack door handle switch ground circuit
IHarness for open or short between back door handle switch and IVCS unit
NG©Replace back door handle switch.
REMOTE DOOR UNLOCK FUNCTION CHECK
(CONSULT-II ªFUNCTION CHECKº MODE)
NBEL0184S09DescriptionNBEL0184S0901ªRemote door unlock functionº can be checked using CONSULT-
II. Driver side door can be unlocked according to the commands to
the smart entrance control unit by the IVCS unit.
NOTE:
Before performing the function check, confirm that power door lock
system operates properly.
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-374
Page 1560 of 2395

SEL450W
How to perform function check.
1. Lock the doors with door lock/unlock switch on driver's door
trim.
2. Touch ªFUNCTION CHECKº.
3. Touch ªDOOR UNLOCKº.
SEL451W
4. Touch ªSTARTº. Then driver side door will be unlocked.
IIf the door cannot be unlocked using CONSULT-II, check har-
ness for open or short between smart entrance control unit
terminal 20 and IVCS unit terminal 32.
STOLEN VEHICLE TRACKING/ALARM NOTIFICATION
SETTING CHECK (CONSULT-II ªCONFIGURATIONº
MODE)
NBEL0184S10
1 CHECK SYSTEM SETTING
1. Turn ignition switch ON.
2. Select ªVHCL TRACKINGº or ªALARM NOTIFICATIONº in ªCONFIGURATIONº mode.
3. Check the function setting.
SEL452W
ION shows the function is activated.
IOFF shows the function is deactivated.
Does the system setting comply with the customer's contract?
NOTE:
Setting of ªVEHICLE TRACKINGº must be ON at all times.
OK or NG
OK©System setting is OK.
NG©If either setting is OFF, contact the Communicator Response Center at 1-888-427-4812
to verify the system setting.
NOTE:
Whenever dialing the above number, some information about the vehicle will be
required by the operator. For details, refer to EL-348.
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INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-375
Page 1561 of 2395

GPS ANTENNA CHECK=NBEL0184S11
1 CHECK VOLTAGE FOR GPS ANTENNA
1. Disconnect GPS feeder cable connector from IVCS unit.
2. Turn ignition switch ON.
3. Check voltage at IVCS unit GPS feeder cable terminal.
SEL106W
Does approx. 5V exist?
Ye s©Replace GPS antenna.
No©Replace IVCS unit.
AIR BAG DIAGNOSES SENSOR UNIT
COMMUNICATION CHECK
NBEL0184S12
1 AIR BAG OPERATION CHECK
Turn ignition switch ON and check air bag warning lamp operation. (For details, refer to RS-38.)
Does air bag warning lamp operate properly?
Ye s©Check harness connector connection between air bag diagnosis sensor unit and IVCS
unit.
No©Check supplemental restraint system. Refer to RS-29.
SMART ENTRANCE CONTROL UNIT COMMUNICATION
CHECK
NBEL0184S13
1 CHECK SMART ENTRANCE CONTROL UNIT OPERATION
Check the system related smart entrance control unit operation. (e.g.: power door lock, power window)
Does the system operate properly?
Ye s©Check harness for open or short between smart entrance control unit and IVCS unit.
No©Check smart entrance control unit. Refer to ªSMART ENTRANCE CONTROL UNITº in
the Service Manual. (EL-324)
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-376
Page 1568 of 2395

SEL460W
6. Touch ªOKº.
7. Carry out the next system setting or contact Communicator
Response Center and information them that data has been
updated or the IVCS unit has been replaced. For details, refer
to EL-381.
NOTE:
Whenever the phone number is updated or the IVCS unit is
replaced, the INFINITI Communicator system automatically
contacts the Communicator Response Center the first time the
vehicle is started.
SEL461W
PHONE SET UPNBEL0187S041. Touch ªCONFIGURATIONº.
2. Touch ªPHONE SET UPº.
SEL716W
3. Touch ªWRITEº or ªREWRITEº.
IIf no data is previously memorized, the display shows ªThis
unit has no required data programmedº.
SEL463W
IIf NAM (Number Assignment Module) data is previously
memorized, the display shows the current NAM data.
ITo erase the NAM, touch ªERASEº.
SEL464W
4. Input new NAM data.
ISYS ID (Carrier system ID number) Ð Available number: 0 to
32765
IGR ID (Group ID mark) Ð Available number: 0 to 15
IOVERLOAD CLASS (Access overload class) Ð Available
number: 0 to 15
ISECURITY CODE (User security code)
IUNLOCK CODE
IINIT PAGE CH (Initial paging channel)
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INFINITI COMMUNICATOR (IVCS)
System Setting (When IVCS Unit is Replaced) (Cont'd)
EL-383