INFINITI QX4 2001 Factory Service Manual

ªDATA MONITORº MODENBEL0183S04How to Perform Data MonitorNBEL0183S0401
SEL444W
Data Monitor Item ChartNBEL0183S0402
Mode Monitor item Description
GPS MONITORAVAILABLE GPS The number of GPS satellites captured by GPS antenna
DATE Date of Greenwich mean time
GMT TIME Greenwich mean time (Different from local time)
LAT. Latitude
LONG. Longitude
DOPIndex of precision (an index of location status of GPS satellites. The
smaller the value is, the higher the positioning precision is.)
SWITCH MONITORMAYDAY ªMAYDAYº emergency switch condition
INFORMATION ªINFORMATIONº switch condition
DR HANDLE Back door handle switch condition
INFINITI COMMUNICATOR (IVCS)
CONSULT-II (Cont'd)
EL-366

SEL445W
ªREGISTERED DATAº MODENBEL0183S05
Item Description
UNIT IDID number of the IVCS unit. ID number is unique to
each unit and differs for each unit.
CELLULAR PHONE # Ð
VIN #Vehicle Identification Number. When the IVCS unit is
replaced, VIN # is written in the memory of the
replaced unit by transmitting data from the Communi-
cator Response Center.
NOTE:
No data can be changed in this CONSULT-II mode.
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INFINITI COMMUNICATOR (IVCS)
CONSULT-II (Cont'd)
EL-367

Trouble DiagnosesNBEL0184WORK FLOWNBEL0184S01
SEL101WA
*1: EL-364
*2: EL-369*3: EL-369
*4: EL-370*5: EL-379
WARNING:
IWhenever possible, set the system to ªDemonstration
modeº if INFINITI Communicator system needs to be acti-
vated during service procedures. (For details of the dem-
onstration mode, refer to EL-379.)
IIf you activate the INFINITI Communicator system (when
the system is not in the demonstration mode), the Com-
municator Response Center operator may dispatch police.
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses
EL-368

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

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

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

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

IVCS SWITCH CHECK=NBEL0184S07
1 CHECK IVCS SWITCH INPUT SIGNAL
1. Turn ignition switch ªONº.
2. Select ªSWITCH MONITORº in ªDATA MONITORº mode.
3. Check each switch signal.
Condition:
When MAYDAY/INFORMATION switch is pushed:
MAYDAY/INFORMATION ON
When MAYDAY/INFORMATION switch is released:
MAYDAY/INFORMATION 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©IVCS switch is OK.
NG©GO TO 2.
2 CHECK IVCS SWITCH.
1. Disconnect IVCS switch.
2. Check continuity between IVCS switch terminals.
SEL374X
OK or NG
OK©Check the following.
IIVCS switch ground circuit
IHarness for open or short between IVCS switch and IVCS unit
NG©Replace IVCS switch assembly.
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INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-373

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

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