IDX INFINITI QX4 2001 Factory Service Manual

MEL870L
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INFINITI COMMUNICATOR (IVCS)
Wiring Diagram Ð IVCS Ð (Cont'd)
EL-361

SEL331X
CONSULT-IINBEL0183CONSULT-II INSPECTION PROCEDURENBEL0183S011. Turn ignition switch ªOFFº.
2. Insert UEN99A program card in to CONSULT-II.
3. Connect CONSULT-II to the data link connector.
SEL762W
4. Turn ignition switch ªONº.
5. Touch ªSTARTº.
SEL763W
6. Touch ªIVCSº.
SEL763W
7. Perform each diagnostic item according to the item application
chart as follows:
8. When CONSULT-II inspection is terminated, follow the proce-
dure shown below.
a. Touch ªBACKº key of CONSULT-II until ªSELECT SYSTEMº
appears, then turn off CONSULT-II.
b. Turn ignition switch to OFF position.
c. Disconnect CONSULT-II DDL connector.
NOTE:
If the DDL connector is disconnected before turning ignition
switch to ªOFFº position, INFINITI communicator may not
operate properly.
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INFINITI COMMUNICATOR (IVCS)
CONSULT-II
EL-363

SEL442W
IIf trouble codes are displayed with ªTIME = 0º, repair/replace
the system according to ªSYMPTOM CHART 1 (SELF-DIAG-
NOSIS ITEM)º, EL-369.
IIn this case, both ªMAYDAYº and ªINFORMATIONº indicator
lamps illuminate for more than 30 seconds while the ignition
switch is in the ON position.
NOTE:
The time data in CONSULT-II ªSELF-DIAG RESULTSº mode
displays the number of ignition switch cycles without the
same malfunctioning occurring.
SEL443W
IIf trouble codes are displayed with ªTIME=1orgreaterº, it
means that the trouble code is historical data. So no further
diagnosis is required.
NOTE:
If trouble codes are displayed with ªTIME=1orgreaterº even
though the INFINITI Communicator has never been serviced.
Intermittent incidents may occur. Check the system, refer to
ªTrouble Diagnoses for Intermittent Incidentº, EL-377.
IIf the system does not detect any trouble, the IVCS indicators
will turn off after bulb check (self-diagnosis) is completed while
the ignition switch is in the ON position.
NOTE:
IThe trouble codes cannot be erased by CONSULT-II.
IAfter 50 ignition cycles, the trouble codes are no longer
displayed in the CONSULT-II ªSELF-DIAG RESULTSº
mode.
IThe IVCS unit does not count the ignition switch cycles
unless the ignition switch is OFF for more than 3 minutes
between each ignition switch cycle.
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INFINITI COMMUNICATOR (IVCS)
CONSULT-II (Cont'd)
EL-365

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

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

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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IDX
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-371

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

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

TELEPHONE STEERING SWITCH CHECK=NBEL0184S14
1 CHECK POWER SUPPLY FOR STEERING SWITCH
Check power supply for steering switch.
Does horn work?
Ye s©Check the following.
I10A fuse (No. 54, located in fuse and fusible link box)
IHorn relay
IHarness for open or short
No©GO TO 2.
2 CHECK STEERING SWITCH SUB-HARNESS
1. Remove driver's air bag module. For removal procedure, refer to RS section.
2. Check steering switch sub-harness for open or short and ground screw.
For details of the harness circuit, refer to ªSTEERING SWITCHº, EL-30.
OK or NG
OK©Check harness for open or short between telephone steering switch and IVCS unit. If the
circuit is OK, replace telephone steering switch.
NG©Replace or repair the harness.
Trouble Diagnoses for Intermittent IncidentNBEL0185DESCRIPTIONNBEL0185S01An intermittent incident may be occurring if all of the following conditions exist.
IBoth ªMAYDAYº emergency and ªINFORMATIONº indicators have shown that the system is malfunction-
ing.
ICONSULT-II self-diagnosis result screen indicates a trouble code with ªTIME=1orgreaterº.
IThe INFINITI Communicator system has not been previously serviced.
To find out the cause of a malfunction, follow the procedures shown below.
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IDX
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont'd)
EL-377

Demonstration ModeNBEL0186DESCRIPTIONNBEL0186S01By setting up the system in the demonstration mode, automatic
dialing operation can be confirmed by ªMAYDAYº emergency and
ªINFORMATIONº switch operation.
Automatic dialing in this mode is connected to the demonstration
center of Communicator Response Center, and is different from the
normal service.
When the contract with Communicator Response Center is not
concluded, all the INFINITI Communicator operations are con-
nected to the demonstration center.
Connection to Communicator Response Center in this mode will
not be charged by Communicator Response Center nor will the call
be handled as an emergency.
SEL453W
SYSTEM OPERATION CHECKNBEL0186S021. Touch ªCONFIGURATIONº.
SEL454W
2. Touch ªDEMO MODEº.
SEL455W
3. Touch ªONº. Now, the system is in demonstration mode. (To
return to normal mode, touch ªOFFº.)
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IDX
INFINITI COMMUNICATOR (IVCS)
Demonstration Mode
EL-379