phone INFINITI QX4 2001 Factory Service Manual

Schematic ................................................................255
Wiring Diagram - D/LOCK -.....................................256
Trouble Diagnoses...................................................261
MULTI-REMOTE CONTROL SYSTEM.......................270
Component Parts and Harness Connector
Location ...................................................................270
System Description ..................................................270
Schematic ................................................................273
Wiring Diagram - MULTI - .......................................274
Trouble Diagnoses...................................................277
ID Code Entry Procedure ........................................289
Remote Controller Battery Replacement.................293
THEFT WARNING SYSTEM.......................................294
Component Parts and Harness Connector
Location ...................................................................294
System Description ..................................................295
Schematic ................................................................298
Wiring Diagram - THEFT -.......................................300
Trouble Diagnoses...................................................306
SMART ENTRANCE CONTROL UNIT.......................319
Description ...............................................................319
Schematic ................................................................322
Smart Entrance Control Unit Inspection Table ........324
INTEGRATED HOMELINK TRANSMITTER...............325
Wiring Diagram - TRNSMT - ...................................325
Trouble Diagnoses...................................................326
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM -
NATS)...........................................................................328
Component Parts and Harness Connetor
Location ...................................................................328
System Description ..................................................329
System Composition ................................................329
Wiring Diagram - NATS -.........................................330
CONSULT-II .............................................................331
Trouble Diagnoses...................................................334
How to Replace IVIS (NATS) IMMU .......................347
INFINITI COMMUNICATOR (IVCS)............................348
Precaution ................................................................348
Communicator Response Center Telephone
Number for Technicians ...........................................348
Component Parts and Harness Connector
Location ...................................................................349System Description ..................................................350
Schematic ................................................................358
Wiring Diagram - IVCS -..........................................359
CONSULT-II .............................................................363
Trouble Diagnoses...................................................368
Trouble Diagnoses for Intermittent Incident ............377
Demonstration Mode ...............................................379
System Setting (When IVCS Unit is Replaced) ......381
NAVIGATION SYSTEM...............................................385
Component Parts Location ......................................385
System Description ..................................................386
Schematic ................................................................393
Wiring Diagram - NAVI - ..........................................394
Self-diagnosis Mode ................................................397
Confirmation/Adjustment Mode ...............................400
Setting Mode............................................................410
Trouble diagnoses ...................................................417
This Condition is Not Abnormal ...............................423
Program Loading .....................................................432
Initialization ..............................................................433
ELECTRICAL UNITS LOCATION...............................436
Engine Compartment ...............................................436
Passenger Compartment .........................................438
HARNESS LAYOUT....................................................440
How to Read Harness Layout .................................440
Outline......................................................................441
Main Harness...........................................................442
Engine Room Harness ............................................444
Engine Control Harness ..........................................446
Body Harness LH ....................................................448
Body Harness RH ....................................................449
Back Door Harness .................................................450
Engine and Transmission Harness..........................451
Room Lamp Harness...............................................452
Air Bag Harness ......................................................453
Front Door Harness .................................................454
Rear Door Harness..................................................455
BULB SPECIFICATIONS............................................456
Headlamp.................................................................456
Exterior Lamp ..........................................................456
Interior Lamp............................................................456
WIRING DIAGRAM CODES (CELL CODES).............457GI
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CONTENTS(Cont'd)
EL-3

PrecautionNBEL0177CAUTION:
IUse CONSULT-II to set the system ªDemonstration modeº if INFINITI Communicator needs to be
activated during service procedures. (For details of the demonstration mode, refer to EL-379.)
IMake sure to turn the demonstration mode OFF before returning the vehicle to the owner.
IIn the demonstration mode, no service from the Communicator Response Center is available.
Therefore, even if the customer encounters an emergency, no service will be dispatched.
IIf the theft warning system is activated for more than 7 seconds, INFINITI Communicator will dial
to the Communicator Response Center automatically. The operator will contact the customer to
confirm whether the vehicle has been stolen or not.
IWhen ªMaydayº emergency dialing is activated (if the system is not in the demonstration mode),
the Communicator Response Center operator will come online. If there is no emergency, the
operator will ask the occupant for the user password (option). Failure to provide the correct pass-
word results in a police response.
IIVCS unit memory includes VIN (Vehicle Identification Number) and other such vehicle specific
data. Therefore, the IVCS unit cannot be transferred to another vehicle. When the IVCS unit is
replaced, the new unit must be set up and programmed. The INFINITI Communicator system auto-
matically contacts the Communicator Response Center the first time the vehicle is started after a
phone number has been changed or a module (IVCS unit) is replaced. The VIN will be written in
the memory of the new unit by transmitting data from the Communicator Response Center. For
details, refer to ªSystem Settingº, EL-381.
IBefore servicing the vehicle, confirm that the VIN memorized by the IVCS unit is the same as the
VIN on the vehicle's identification plate.
Communicator Response Center Telephone
Number for Technicians
NBEL0178The Communicator Response Center telephone number for technicians is1-888-427-4812.
Whenever an INFINITI dealer technician dials the above number, the following information will be required by
the Communicator Response Center operator.
ICustomer name
IUnit ID number of old IVCS unit (For details, refer to EL-367.)
IUnit ID number of new IVCS unit
IVIN
IDealer name and code (For security purposes)
IDealer contact person (technician)
IDealer phone and fax numbers
INFINITI COMMUNICATOR (IVCS)
Precaution
EL-348

System DescriptionNBEL0180OUTLINENBEL0180S01INFINITI Communicator system uses the Global Positioning Sys-
tem (GPS), cellular phone technology and the Communicator
Response Center to provide the following functions.
IOne touch ªInformationº dialing
IOne touch ªMaydayº emergency dialing
IAutomatic air bag inflation notification
IStolen vehicle tracking
IAlarm notification
IRemote door unlock
There are limitations to the INFINITI Communicator system. To
understand the system, read SYSTEM LIMITATIONS (EL-351)
thoroughly.
SYSTEM COMPOSITIONNBEL0180S02IThe INFINITI Communicator system is controlled by the IVCS
(In Vehicle Communication System) unit. System status (ªMay-
dayº-emergency dialing, or re-dialing, etc.) is displayed by the
indicators in the IVCS switch.
IThe INFINITI Communicator system can only make calls to the
Communicator Response Center and receive calls from the
center, unless the customer chooses to have the optional
handset install.
SEL099W
INFINITI COMMUNICATOR (IVCS)
System Description
EL-350

SYSTEM LIMITATIONSNBEL0180S03Service AreaNBEL0180S0301Depending on the cellular provider chosen, service is provided in
the 48 contiguous states. Service is not available in Alaska, Hawaii,
Canada, or Mexico. The Communicator Response Center will not
be able to locate the customer's vehicle outside of the continental
United States.
Inoperative if Cellular Phone is Inactive or InoperativeNBEL0180S0302INFINITI Communicator will be inoperative if the customer does not
have an active account with cellular provider, since INFINITI Com-
municator relies on the cellular network. When the INFINITI Com-
municator system is outside of cellular service, the ªNO SERVICEº
indicator will illuminate. If you try to activate INFINITI
Communicator, the REQUEST will be cancelled. Cellular phone
transmission may become temporarily disabled, or interrupted by
environmental factors like tunnels, bridges, or tall buildings. In such
cases, INFINITI Communicator will re-dial up to four times. After
several failed attempts, the system will quit dialing and return to
normal mode.
Inoperative if The System is in The Demonstraiton
Mode
NBEL0180S0303The INFINITI Communicator system remains in the demonstration
mode until the setup procedures are completed. If the system is
activated in this mode, the Communicator Response Center will
recognize this operation as a demonstration and will not provide
any service. The system can be changed to the demonstration
mode by using CONSULT-II to check the system operation. Do not
forget to turn off the demonstration mode after confirmation.
BatteryNBEL0180S0304Since INFINITI Communicator is powered by the vehicle's battery,
if the battery is removed, damaged or discharged, the system will
not work.
Inopertive if Cellular System is BusyNBEL0180S0305When INFINITI Communicator tries to contact the Communicator
Response Center, but the cellular network is busy, the system
attempts to re-dial for up to two hours. This time varies greatly
depending on the cellular network and cellular signal strength. The
system resets to ready when the system completes the re-dialing
attempts.
RoamingNBEL0180S0306If the customer's cellular provider does not have a roaming agree-
ment with the provider where the vehicle locates, it may not be
possible to use the lines of a different cellular provider. Therefore,
it is impossible that INFINITI Communicator will contact the Com-
municator Response Center.
Special Cellular FeaturesNBEL0180S0307Some cellular carriers offer custom phone numbers that are
assigned a Personal Identification Number (PIN). The cellular
phone user is required to enter the PIN anytime a phone call is
made. The INFINITI Communicator system is not compatible with
the PIN feature. A PIN requirement on the cellular phone will cause
the INFINITI Communicator system to be inoperative.
Other special features such as call waiting, voice mail, call
forwarding, etc. can interfere with INFINITI Communicator system
operation.
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INFINITI COMMUNICATOR (IVCS)
System Description (Cont'd)
EL-351

IThe vehicle location data is calculated using GPS.
IThe vehicle ignition switch must be turned to the ON position
to obtain the vehicle location. (This is because the system is
in the sleep mode when the ignition switch is OFF.)
IOnce this function starts up, regardless of the ignition switch
position, the system keeps transmitting the vehicle location
until the cancel signal is transmitted from the Communicator
Response Center.
IWhile this function is operating, the operator can covertly moni-
tor what is happening inside the vehicle through the hands-free
microphone.
Alarm NotificationNBEL0180S0405IWhen theft warning system sounds an alarm for more than 7
seconds because of improper access, the alarm signal is
transmitted from the smart entrance control unit to the IVCS
unit, and the system executes automatic dialing to the Com-
municator Response Center.
If the alarm is reset before 7 seconds has elapsed, the
INFINITI Communicator will not place a call to the Communi-
cator Response Center.
IThis function operates regardless of ignition switch position.
IWhile this function is operating, the operator can covertly moni-
tor what is happening inside the vehicle through the hands-free
microphone.
Remote Door UnlockNBEL0180S0406IWhen the door is locked with the key inside the vehicle, the
door can be unlocked by contacting the Communicator
Response Center. (Proof that the person calling is the owner
must be received by the Communicator Response Center.)
IWhen the ignition key is in the ªOFFº position, the system is in
the sleep mode. Therefore, back door outside handle must be
pulled to wake up the system.
ITo perform remote door unlock, call the Communicator
Response Center and follow the operator's instructions.
NOTE:
IWhen the system contacts the Communicator Response
Center, data including the vehicle location is transmitted
to the Communicator Response Center.
ICommunication with the Communicator Response Center
is not completed until the completion signal is transmitted
from the Communicator Response Center. (Any calls to
the Communicator Response Center can only be termi-
nated by Communicator Response Center.)
IFunctions other than alarm notification and remote door
unlock operate while the ignition switch is ON and only for
three minutes after the switch is turned OFF.
IOnce a call to the Communicator Response Center is
made, the communication continues regardless of the
ignition key switch position.
IAll the voice communication with the Communicator
Response Center is made through the hands-free tele-
phone.
IWhen the INFINITI Communicator system is activated, the
handset does not function.
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INFINITI COMMUNICATOR (IVCS)
System Description (Cont'd)
EL-353

DATA TRANSMITTINGNBEL0180S05When contact to the Communicator Response Center is made,
vehicle sends electrical data including type of activation (i.e., emer-
gency call or alarm notification), vehicle location, time, etc.
SLEEP/WAKE UP CONTROLNBEL0180S063 minutes after the ignition switch is turned OFF, the system goes
into the SLEEP MODE to save battery power supply. Communica-
tion with Communicator Response Center is not available in the
SLEEP MODE.
To wake up the system, perform either of the following operations.
ITurn Ignition switch ON.
IPull back door outside handle for more than 10 seconds.
(Operation for door unlock function)
SEL532V
INDICATOR LAMPS OPERATIONNBEL0180S07The system status is displayed as below by the indicator lamps.
Indicator Condition Description
MAYDAYBlinks.System is trying to acquire an available cellu-
lar channel by ªMaydayº switch operation.
Lights up.
(See NOTE.)System is connected to a cellular channel and
is communicating information to the Commu-
nicator Response Center.
INFORMA-
TIONBlinks.System is trying to acquire an available cellu-
lar channel by ªInformationº switch operation.
Lights up.
(See NOTE.)System is connected to a cellular channel and
is communicating information to the Commu-
nicator Response Center.
REDIALLights up. Re-dialing
Blinks. Waiting for re-dial
NO SERVICE Lights up.Out of CELLULAR PHONE service area or
signal is too weak.
NOTE:
IWhen connection to Communicator Response Center by
re-dial ends in failure, all the indicators are turned off.
IAll indicators illuminate for up to 30 seconds or more
when ignition switch is turned from OFF to ON and the
system performs a self check.
IIf both of MAYDAY and INFORMATION indicators do not
turn off 30 seconds or more after the ignition switch is
turned to ON, the system is malfunctioning.
AUTOMATIC RE-DIAL/AUTO RESET TO READYNBEL0180S08IWhen INFINITI Communicator tries to contact the Communi-
cator Response Center, but the cellular network is busy, the
system attempts to dial for up to 2 hours. This time varies
INFINITI COMMUNICATOR (IVCS)
System Description (Cont'd)
EL-354

SEL100W
HANDSETNBEL0180S10NOTE:
IIf an optional handset is installed, INFINITI Communicator can
be used as a normal cellular phone.
IIf INFINITI Communicator is activated when INFINITI Commu-
nicator system's cellular phone is in use, the current phone
transmission will be cut and INFINITI Communicator will dial
the Communicator Response Center. The cellular handset will
be disabled, and communication with the Communicator
Response Center operator will be carried out through the
hands-free microphone.
IAfter communication with Communicator Response Center is
finished, the handset last number memory will be erased.
IWhile INFINITI Communicator is activated, the handset
becomes inoperative and all communication with the operator
is accomplished via the hands-free phone. When an activation
is terminated, the handset will be unlocked.
SEL588VA
TEL SWITCHNBEL0180S11When any of the TEL switches is pressed, the TEL switch which is
combined with the multiplex transmitting unit sends operational
commands to the IVCS unit. TEL switch has following three func-
tions.
IVolume adjust
IPlacing re-dial call
IPlacing memorized call (The telephone numbers are stored in
the handset. A maximum of 6 memories are operative.)
VOLUME SwitchNBEL0180S1103Voice volume from the front RH speaker can be adjusted by using
the VOLUME switch.
SEND/END Switch Operation (Without Navigation
System)
NBEL0180S1101IWhen a call is received, press SEND/END switch to permit
conversation.
IAt the completion of the conversation, press the SEND/END
switch to terminate the call.
ITo re-dial the last phone number, press SEND/END switch.
MEMORY Switch Operation (Without Navigation
System)
NBEL0180S1102IA maximum of 6 telephone numbers which stored in the
memory of the handset can be dialed by MEMORY switch
operation.
IThe last phone number is erased if the ignition switch is turned
off or if the INFINITI Communicator system has been activated.
IFor the procedure to input telephone numbers, refer to the
handset operation manual.
ITo select memory 1 to 6, push MEMORY switch A or B. Every
push on the switch changes the memory as follows.
SWITCH A: Memory 1,2,3,OFF
SWITCH B: Memory 4,5,6,OFF
INFINITI COMMUNICATOR (IVCS)
System Description (Cont'd)
EL-356

APPLICATION ITEMSNBEL0183S02
Mode DescriptionReference
page
SELF DIAG RESULTS Displays the result of self-diagnosis. EL-364
DATA MONITORTwo modes, ªGPS MONITORº and ªSWITCH MONITORº can be selected in this
mode.
IDisplays current data related to GPS in ªGPS MONITORº mode.
IDisplays IVCS switch and outside door handle switch condition in ªSWITCH
MONITORº mode.EL-366
FUNCTION CHECKIn this mode, ªRemote door unlock functionº can be checked using CONSULT-II.
Door can be unlocked according to the commands to the smart entrance control
unit by the IVCS unit. This check verifies communication circuit between smart
entrance control unit and IVCS unit.EL-374
REGISTERED DATADisplays the following data registered in the IVCS unit. In this mode the data can-
not be re-written.
IUnit ID
ICellular phone number
IVIN (Vehicle Identification Number)EL-367
CONFIGURATION
(See Note.)In this mode, the system can be set up in the demonstration mode to confirm sys-
tem operation.EL-379
Various data related to both the Communicator Response Center contract and cel-
lular provider can be written/updated in this mode.
IPhone number
INAM (Number Assignment Module)
IStolen vehicle tracking setting (Default should always be on.)
IAlarm notification setting (Default should always be on.)EL-381
ECU PART NUMBER Displays the part number of the IVCS unit. Ð
NOTE:
Data must not be rewritten without prior approval from the
customer.
SEL440W
ªSELF-DIAG RESULTSº MODENBEL0183S03How to Perform Self-diagnosisNBEL0183S03011. Touch ªSELF-DIAG RESULTSº.
2. Touch ªSTARTº.
SEL441W
3. If no malfunction is detected, CONSULT-II will show ªNO DTCº.
INFINITI COMMUNICATOR (IVCS)
CONSULT-II (Cont'd)
EL-364

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