2003 NISSAN TEANA key

BL-94
INTELLIGENT KEY SYSTEM

*: Select “SELECTION FROM MENU”.
WORK SUPPORT
DOOR SW DR*Indicates [OPEN/CLOSE] condition of front door switch driver side from BCM via CAN communica-
tion line.
DOOR SW AS*Indicates [OPEN/CLOSE] condition of front door switch passenger side from BCM via CAN commu-
nication line.
DOOR SW RR* Indicates [OPEN/CLOSE] condition of rear door switch LH from BCM via CAN communication line.
DOOR SW RL* Indicates [OPEN/CLOSE] condition of rear door switch RH from BCM via CAN communication line.
DOOR BK SW* Indicates [OPEN/CLOSE] condition of back door switch from BCM via CAN communication line.
TRUNK SW*Indicates [OPEN/CLOSE] condition of trunk room lamp switch from BCM via CAN communication
line.
VEHICLE SPEED* Indicates [km/h] condition of vehicle speed.Monitor item Content
Monitor item Description
CONFIRM KEY FOB ID It can be checked whether Intelligent Key ID code is registered or not in this mode.
TAKE OUT FROM WINDOW
WARNTake away warning chime (from window) mode can be changed to operate (ON) or not operate
(OFF) with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.
LOW BAT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (ON) or not operate (OFF)
with this mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II
screen is touched.
HORN WITH KEYLESS LOCKHorn reminder function mode by Intelligent Key remote control button can be changed to operate
(ON) or not operate (OFF) with this mode. The operation mode will be changed when “CHANGE
SETT” on CONSULT-II screen is touched.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following with this mode. The operation
mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.

LOCK ONLY: Door lock operation only

UNLOCK ONLY: Door unlock operation only

LOCK/UNLOCK: Lock/Unlock operation

OFF: Non-operation
ANSWER BACK WITH I-KEY
LOCKHorn reminder function (lock operation) mode by door request switch (driver side, passenger side
and trunk) can be selected from the following with this mode. The operation mode will be
changed when “CHANGE SETT” on CONSULT-II screen is touched.

ON: Operation

OFF: Non-operation
ANSWER BACK WITH I-KEY
UNLOCKHorn reminder function (unlock operation) mode by door request switch can be changed to oper-
ate (ON) or not operate (OFF) with this mode.
AUTO RELOCK TIMERAuto door lock timer mode can select the following with this mode.

2 minutes

OFF: Non-operation
TRUNK/GLASS HATCH OPENHazard reminder function mode can be changed to operate (ON) or not operate (OFF) with this
mode. The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is
touched.
KEYLESS FUNCTIONRemote key less function mode (with other registered Intelligent Key is in the vehicle condition)
can be changed to operate (ON) or not operate (OFF) with this mode. The operation mode will
be changed when “CHANGE SETT” on CONSULT-II screen is touched.
TRUNK OPEN DELAYTrunk button's pressing time on Intelligent Key remote control button can be selected from the fol-
lowing with this mode. The operation mode will be changed when “CHANGE SETT” on CON-
SULT-II screen is touched.

0.5 second

1.5 second

OFF: Non-operation

INTELLIGENT KEY SYSTEM
BL-95
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ACTIVE TEST
ENGINE START BY I-KEYEngine start function mode can be changed to operate (ON) or not operate (OFF) with this mode.
The operation mode will be changed when “CHANGE SETT” on CONSULT-II screen is touched.
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side, passenger side and trunk) mode
can be changed to operate (ON) or not operate (OFF) with this mode. The operation mode will be
changed when “CHANGE SETT” on CONSULT-II screen is touched. Monitor item Description
Test item Description
DOOR LOCK/UNLOCKThis test is able to check door lock/unlock operation.

The all door lock actuators are unlocked and hazard warning lamps flash twice when “ALL
UNLK” on CONSULT-II screen is touched.

The all door lock actuators are locked and hazard warning lamps flash once when “LOCK” on
CONSULT-II screen is touched.
ANTENNAThis test is able to check Intelligent Key antenna operation.
When the following conditions are met, hazard warning lamps flash.

Inside key antenna (Instrument center lower) detects Intelligent Key, when “RM ANT1” on
CONSULT-II screen is touched.

Inside key antenna (Center console) detects Intelligent Key, when “RM ANT2” on CONSULT-II
screen is touched.

Inside key antenna (Trunk room) detects Intelligent Key, when “LAG ANT” on CONSULT-II
screen is touched.

Outside key antenna (Driver side) detects Intelligent Key, when “DR ANT” on CONSULT-II
screen is touched.

Outside key antenna (Passenger side) detects Intelligent Key, when “AS ANT” on CONSULT-II
screen is touched.

Outside key antenna (Rear bumper) detects Intelligent Key, when “BD ANT” on CONSULT-II
screen is touched.
OUTSIDE BUZZERThis test is able to check Intelligent Key warning buzzer (driver side/ trunk room) operation.
Intelligent Key warning buzzer (driver side/ trunk room) sounds when “ON” on CONSULT-II
screen is touched.
INSIDE BUZZERThis test is able to check Intelligent Key warning buzzer (combination meter) operation.

Take away warning chime sounds when “TAKE OUT” on CONSULT-II screen is touched.

Ignition switch warning chime sounds when “KNOB” on CONSULT-II screen is touched.

Ignition key warning chime sounds when “KEY” on CONSULT-II screen is touched.
INDICATORThis test is able to check warning lamp operation.

“KEY” Warning lamp (Green) illuminates when “BLUE ON” on CONSULT-II screen is touched.

“KEY” Warning lamp (Red) illuminates when “RED ON” on CONSULT-II screen is touched.

“LOCK” Warning lamp illuminates when “KNOB ON” on CONSULT-II screen is touched.

“KEY” Warning lamp (Green) flashes when “BLUE IND” on CONSULT-II screen is touched.

“KEY” Warning lamp (RED) flashes when “BLUE IND” on CONSULT-II screen is touched.

“LOCK” Warning lamp flashes when “KNOB ON” on CONSULT-II screen is touched.

BL-96
INTELLIGENT KEY SYSTEM

Trouble Diagnosis Symptom ChartBIS000XC
ALL FUNCTIONS OF THE INTELLIGENT KEY ARE NOT OPERATING
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II. Refer to BL-94, "WORK
SUPPORT" .

Mechanical key is not inserted into ignition knob.

Ignition knob is not depressed.

All doors are closed.
REMOTE KEYLESS ENTRY FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II. Refer to BL-94, "WORK
SUPPORT" .

Mechanical key is not inserted into ignition knob.

Ignition knob is not depressed.

All doors are closed.
Symptom Diagnoses service procedure Reference page
All Intelligent Key function does not operate.1.Use CONSULT-II to check if the Intelligent Key has
been registeredBL-94
2.Check Intelligent Key unit power supply and ground
circuitBL-100
3. Check CAN communicationBL-100
4. Replace Intelligent Key unitBL-117
Symptom Diagnoses service procedure Reference page
Either one of the remote keyless entry function
do not operate.Replace Intelligent Key unitBL-117

INTELLIGENT KEY SYSTEM
BL-97
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DOOR LOCK FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II.

Mechanical key is not inserted into ignition knob.

Ignition knob is not depressed.

All doors are closed.
TRUNK OPEN FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II.

Mechanical key is not inserted into ignition knob.

Ignition knob is not depressed.
Symptom Diagnoses service procedure Reference page
Door lock/unlock do not operate using request
switch operated.1.Check Intelligent Key unit power supply and ground
circuitBL-100
2. Check CAN communicationBL-100
3. Check door switchBL-105
4. Check key switch (Intelligent Key unit input)BL-101
5. Check ignition knob switchBL-103
6. Replace Intelligent Key unitBL-117
Door lock/unlock does not operate when
request switch (driver side) is operate.1. Check door request switchBL-1092. Check outside key antennaBL-112
3. Replace Intelligent Key unitBL-117
Door lock/unlock does not operate when
request switch (passenger side) is operate.1. Check door request switchBL-1092. Check outside key antennaBL-112
3. Replace Intelligent Key unitBL-117
Symptom Diagnoses service procedure Reference page
Trunk open function does not operate when
trunk opener request switch is operated.1. Check door request switchBL-109

2. Check outside key antennaBL-112
3. Replace Intelligent Key unitBL-117

BL-98
INTELLIGENT KEY SYSTEM

HAZARD REMINDER FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II.

Key reminder function (ANSWER BACK FUNCTION) is ON when setting on CONSULT-II.

Mechanical key is not inserted into ignition knob.

Ignition knob is not depressed.

All doors are closed.
ENGINE START FUNCTION MALFUNCTION
Intelligent Key Operation Inspection
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II.

Mechanical key is not inserted into ignition knob.

There is one or more registered Intelligent Key in the detection area of inside key antenna.
Mechanical Key Operation Inspection
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.
Symptom Diagnoses service procedure Reference page
Hazard lamps do not flash during door lock
operation using Intelligent Key. (regardless of
whether Intelligent Key remote controller button
or request switch operation is used)1. Check key reminder settingBL-94
2. Replace BCMBCS-16
3. Replace Intelligent Key unitBL-117
Symptom Diagnoses service procedure Reference page
Ignition knob can not turn
This illuminate KEY warning lamp on com-
bination meter in red when ignition knob is
pressed.1. Check inside key antennaBL-114
2. Replace Intelligent Key unitBL-117
This illuminate KEY warning lamp on com-
bination meter in green when ignition knob
is pressed.Check steering lock unitBL-115
Ignition knob turns even without both Intelli-
gent Key and mechanical key.Replace steering lock unit —
This is not illuminate KEY warning lamp on
combination meter when ignition knob is
pressed.1. Check ignition knob switchBL-103
2. Check key switch (Intelligent Key unit input)BL-101
3. Replace Intelligent Key unitBL-117

INTELLIGENT KEY SYSTEM
BL-99
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If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Registered mechanical key is used.

Do not keep 2 or more keys together. Remove the key you use from the key ring to prevent trouble.
WARNING CHIME FUNCTION MALFUNCTION
NOTE:

Before performing the diagnosis in the following table, check “Diagnosis Procedure”. Refer to BL-91,
"Diagnosis Procedure" .

Make sure that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis,
and check each symptom.

If the following “symptoms” are detected, check systems shown in the “Diagnoses service procedure” col-
umn in this order.
Conditions of Vehicle (Operating Conditions)

Intelligent key function (I-KEY FUNCTION) is ON when setting on CONSULT-II.

Each warning chime function is ON when setting on CONSULT-II.
Symptom Diagnoses service procedure Reference page
Ignition knob can not turn1. Check key switch (BCM input)BL-102
2. Replace BCMBCS-16
Symptom Diagnoses service procedure Reference page
Ignition switch return forgotten warning
does not sound.
(When Intelligent Key used)1. Check ignition knob switchBL-103
2. Replace Intelligent Key unitBL-117
3. Replace combination meterDI-25
Ignition key warning chime does not
sound.
(When mechanical key used)1. Check key switch (Intelligent Key unit input)BL-1012. Check key switch (BCM input)BL-102
3. Check door switchBL-105
4. Replace Intelligent Key unitBL-117
5. Replace combination meterDI-25
Ignition knob OFF position warning
chime (for inside vehicle) does not
sound.1. Check ignition knob switchBL-103
2. Replace Intelligent Key unitBL-117
3. Replace combination meterDI-25
Ignition knob OFF position warning
chime (for outside vehicle: after door
open/closed) does not sound.1. Check ignition knob switchBL-103
2. Check Intelligent Key warning buzzerB L - 111
3. Replace Intelligent Key unitBL-117
Intelligent Key take out warning chime
(when door open/closed) does not
sound.1. Check door switchBL-1052. Check inside key antennaBL-114
3. Check Intelligent Key warning buzzerB L - 111
4. Replace Intelligent Key unitBL-117
Intelligent Key take out warning chime
(through window) does not sound 1. Check inside key antennaBL-1142. Check Intelligent Key warning buzzerB L - 111
3. Replace Intelligent Key unitBL-117
4. Replace combination meterDI-25
Door lock non-operation warning does
not sound.1. Check Intelligent Key warning buzzerB L - 111
2. Replace Intelligent Key unitBL-117

BL-100
INTELLIGENT KEY SYSTEM

Check CAN Communication SystemBIS000XD
1. CHECK SELF-DIAGNOSTIC RESULTS
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
With CONSULT-II

Connect CONSULT-II, and turn ignition switch ON.

Touch “INTELLIGENT KEY” on “SELECT SYSTEM” screen.

Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.

Check display content in self-diagnostic results.
Displayed U1000?
Yes >> Inspection END.
No >> GO TO LAN-3, "
Precautions When Using CONSULT-II" .
Check Intelligent Key Unit Power Supply and Ground CircuitBIS000XE
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition knob LOCK position.
2. Disconnect Intelligent Key unit connector.
3. Check voltage between Intelligent Key unit connector and
ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key power supply circuit.
2. CHECK GROUND CIRCUIT
Check continuity between Intelligent Key unit connector M31 termi-
nal 12 (B) and ground.
OK or NG
OK >> Power supply and ground circuits are normal.
NG >> Repair or replace the Intelligent Key unit ground circuit.
ConnectorTerminal
(Wire color)Ignition knob position
M31(+) (–) OFF ACC ON
6 (G)
Ground0V 0V Battery voltage
11
(Y/B)Battery voltage Battery voltage Battery voltage
PIIB8793E
12 (B) - Ground : Continuity should exist.
MIIB0361E

INTELLIGENT KEY SYSTEM
BL-101
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Check Key Switch (Intelligent Key Unit Input)BIS000XF
1. CHECK KEY SWITCH
With CONSULT-II
Display “KEY SW” on DATA MONITOR screen, and check if ON-
OFF display is linked to insertion of mechanical key in ignition knob.
OK or NG
OK >> Key switch is OK.
NG >> GO TO 2.
2. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
1. Remove mechanical key from ignition knob.
2. Disconnect key switch connector.
3. Check voltage between key switch connector M20 terminal 3 (Y/B) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch power supply circuit.
3. CHECK KEY SWITCH OPERATION
Check continuity between key switch connector M20 terminal 3 and
8.
OK or NG
OK >> GO TO 4.
NG >> Replace key cylinder assembly (built-in key switch).KEY SW:
When key is inserted in ignition knob : ON
When key is removed in ignition knob : OFF
PIIB1359E
3 (Y/B) - Ground : Battery voltage
PIIB0938E
Connector Terminal Condition Continuity
M20 3 8Insert mechanical key
into ignition knob.Ye s
Remove mechanical key
from ignition knob.No
PIIB0942E