2008 NISSAN TEANA key fob battery

BCS
DIAGNOSIS SYSTEM (BCM)
BCS-25
< FUNCTION DIAGNOSIS >
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INTELLIGENT KEY
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)INFOID:0000000003897053
BCM CONSULT-III FUNCTION
CONSULT-III performs the following functions via CAN communication with BCM.
WORK SUPPORT
Diagnosis mode Function Description
WORK SUPPORT Changes the setting for each system function.
SELF-DIAG RESULTS Displays the diagnosis results judged by BCM.
DATA MONITOR The BCM input/output signals are displayed.
ACTIVE TEST The signals used to activate each device are forcibly supplied from BCM.
Monitor item Description
REMO CONT ID CONFIR It can be checked whether Intelligent Key ID code is registered or not in this mode.
AUTO LOCK SETAuto door lock time can be changed in this mode.
 MODE 1: 1 minute
 MODE 2: 5 minutes
 MODE 3: 30 seconds
 MODE 4: 2 minutes
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side and passenger side) mode can be
changed to operate (WITH) or not operate (WITHOUT) in this mode.
ENGINE START BY I-KEYEngine start function mode can be changed to operate (WITH) or not operate (WITHOUT) in this
mode.
TRUNK/GLASS HATCH OPENBuzzer reminder function mode by trunk lid opener request switch can be changed to operate
(WITH) or not operate (WITHOUT) in this mode.
PANIC ALARM SETNOTE:
This item is displayed, but cannot be used.
PW DOWN SETNOTE:
This item is displayed, but cannot be used.
TRUNK OPEN DELAYTrunk button pressing on Intelligent Key button can be selected as per the following in this mode.
 MODE 1: Press and hold
 MODE 2: Press twice
 MODE 3: Press and hold, or press twice
LO-BATT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (WITH) or not operate (WITH-
OUT) in this mode.
ANTI KEY LOCK IN FUNCTIKey reminder function mode can be changed to operate (WITH) or not operate (WITHOUT) in this
mode.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following in this mode.
 LOCK ONLY: Door lock operation only
 UNLOCK ONLY: Door unlock operation only
 LOCK/UNLOCK: Lock/unlock operation
 OFF: Non-operational
ANS BACK I-KEY LOCKBuzzer reminder function (lock operation) mode by door request switch (driver side and passenger
side) can be selected from the following is this mode.
 Horn chirp: Sound horn
 Buzzer: Sound Intelligent Key warning buzzer
 OFF: Non-operational
ANS BACK I-KEY UNLOCKBuzzer reminder function (unlock operation) mode by door request switch can be changed to op-
erate (ON) or not operate (OFF) in this mode.
SHORT CRANKING OUTPUTStarter motor can operate during the times below.
70 msec
 100 msec
 200 msec

DLK-44
< FUNCTION DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (BCM)
SELF-DIAG RESULT
Refer to DLK-153, "DTCIndex".
DATA MONITOR
Monitor item Description
REMO CONT ID CONFIR It can be checked whether Intelligent Key ID code is registered or not in this mode.
AUTO LOCK SETAuto door lock time can be changed in this mode.
 MODE 1: 1 minute
 MODE 2: 5 minutes
 MODE 3: 30 seconds
 MODE 4: 2 minutes
LOCK/UNLOCK BY I-KEYDoor lock/unlock function by door request switch (driver side and passenger side) mode can be
changed to operate (WITH) or not operate (WITHOUT) in this mode.
ENGINE START BY I-KEYEngine start function mode can be changed to operate (WITH) or not operate (WITHOUT) in this
mode.
TRUNK/GLASS HATCH OPENBuzzer reminder function mode by trunk lid opener request switch can be changed to operate
(WITH) or not operate (WITHOUT) in this mode.
PANIC ALARM SETNOTE:
This item is displayed, but cannot be used.
PW DOWN SETNOTE:
This item is displayed, but cannot be used.
TRUNK OPEN DELAYTrunk button pressing on Intelligent Key button can be selected as per the following in this mode.
 MODE 1: Press and hold
 MODE 2: Press twice
 MODE 3: Press and hold, or press twice
LO-BATT OF KEY FOB WARNIntelligent Key low battery warning mode can be changed to operate (WITH) or not operate (WITH-
OUT) in this mode.
ANTI KEY LOCK IN FUNCTIKey reminder function mode can be changed to operate (WITH) or not operate (WITHOUT) in this
mode.
HAZARD ANSWER BACKHazard reminder function mode can be selected from the following in this mode.
 LOCK ONLY: Door lock operation only
 UNLOCK ONLY: Door unlock operation only
 LOCK/UNLOCK: Lock/unlock operation
 OFF: Non-operational
ANS BACK I-KEY LOCKBuzzer reminder function (lock operation) mode by door request switch (driver side and passenger
side) can be selected from the following is this mode.
 Horn chirp: Sound horn
 Buzzer: Sound Intelligent Key warning buzzer
 OFF: Non-operational
ANS BACK I-KEY UNLOCKBuzzer reminder function (unlock operation) mode by door request switch can be changed to op-
erate (ON) or not operate (OFF) in this mode.
SHORT CRANKING OUTPUTStarter motor can operate during the times below.
 70 msec
100 msec
200 msec
INSIDE ANT DIAGNOSIS This function allows inside key antenna self-diagnosis.
HORN WITH KEYLESS LOCKHorn reminder function mode by Intelligent Key button can be changed to operate (ON) or not op-
erate (OFF) in this mode.
Monitor Item Condition
REQ SW -DR Indicates [ON/OFF] condition of door request switch (driver side).
REQ SW -AS Indicates [ON/OFF] condition of door request switch (passenger side).
REQ SW -BD/TR Indicates [ON/OFF] condition of trunk lid opener request switch.
PUSH SW Indicates [ON/OFF] condition of push-button ignition switch.
IGN RLY2 -F/B Indicates [ON/OFF] condition of ignition relay 2.

DLK-84
< COMPONENT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY
INTELLIGENT KEY
DescriptionINFOID:0000000003794893
The following functions are available when having and carrying electronic ID.
 Door lock/unlock
 Trunk lid open
 Engine start
Remote control entry function and panic alarm function have specific buttons.
Component Function CheckINFOID:0000000003794894
1.CHECK FUNCTION
Check remote keyless entry receiver (“RKE OPE COUN1”) in Data Monitor mode with CONSULT-III.
Is the inspection result normal?
YES >> Intelligent Key is OK.
NO >> Refer to DLK-84, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000003794895
1.CHECK INTELLIGENT KEY BATTERY
Check by connecting a resistance (approximately 300 Ω) so that the
current value becomes about 10 mA.
Is the measurement value within the specification?
YES >> Replace Intelligent Key.
NO >> Replace Intelligent Key battery. Refer to DLK-84, "
Com-
ponent Inspection".
Component InspectionINFOID:0000000003794896
1. REPLACE INTELLIGENT KEY BATTERY
1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.
2. Insert a flat-bladed screwdriver (A) wrapped with a cloth into the
slit of the corner and twist it to separate the upper part from the
lower part.
CAUTION:
 Never touch the circuit board or battery terminal.
 The key fob is water-resistant. However, if it does get wet,
immediately wipe it dry.
3. Replace the battery with new one.
Monitor item Condition
RKE OPE COUN1 Check that the numerical value is changing while operating on the Intelligent Key.
Standard : Approx. 2.5 - 3.0 V
OCC0607D
PIIB6221E

DLK-178
< SYMPTOM DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY LOW BATTERY WARNING DOES NOT OPERATE
INTELLIGENT KEY LOW BATTERY WARNING DOES NOT OPERATE
DescriptionINFOID:0000000003795034
NOTE:
 Before performing the diagnosis in the following procedure, check “Work Flow”. Refer to DLK-7, "
Work
Flow".
 Warning functions operating condition is extremely complicated, during operating confirmations, reconfirm
the list above twice in order to ensure proper operation. Refer to DLK-31, "
WARNING FUNCTION : System
Description".
Diagnosis ProcedureINFOID:0000000003795035
1.CHECK “LO- BATT OF KEY FOB WARN” SETTING IN “WORK SUPPORT”
Check “LO- BATT OF KEY FOB WARN” setting in “WORK SUPPORT”.
Refer to DLK-43, "
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Set “LO- BATT OF KEY FOB WARN” setting in “WORK SUPPORT”.
2.CHECK INTELLIGENT KEY BATTERY
Check Intelligent Key battery.
Refer to DLK-84, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3.CHECK COMBINATION METER DISPLAY
Check combination meter display.
Refer to DLK-93, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK INSIDE KEY ANTENNA
Check inside key antenna.
Refer to DLK-50, "
DTC Logic" (instrument center).
Refer to DLK-52, "
DTC Logic" (console).
Refer to DLK-54, "
DTC Logic" (trunk room).
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.CHECK KEY SLOT ILLUMINATION
Check key slot illumination.
Refer to DLK-88, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace the malfunctioning parts.
6.CONFIRM THE OPERATION
Confirm the operation again.
Is the result normal?
YES >> Check intermittent incident. Refer to GI-35, "Intermittent Incident".
NO >> GO TO 1.

INTELLIGENT KEY BATTERY
DLK-245
< ON-VEHICLE REPAIR >[WITH INTELLIGENT KEY SYSTEM]
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INTELLIGENT KEY BATTERY
Removal and InstallationINFOID:0000000003795148
1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.
2. Insert a flat-bladed screwdriver (A) wrapped with a cloth into the
slit of the corner and twist it to separate the upper part from the
lower part.
CAUTION:
 Never touch the circuit board or battery terminal.
 The key fob is water-resistant. However, if it does get wet,
immediately wipe it dry.
3. Replace the battery with new one.
4. Align the tips of the upper and lower parts, and then push them
together until it is securely closed.
CAUTION:
 When replacing battery, keep dirt, grease, and other for-
eign matter off the electrode contact area.
 After replacing the battery, check that all Intelligent Key
functions work normally.
PIIB6221E
Battery replacement :Coin-type lithium battery
(CR2025)
PIIB6222E

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-143
< ECU DIAGNOSIS >[XENON TYPE]
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ST/INHI RLYIgnition switch ON Off
At engine cranking INHI → ST
The status of starter relay or starter control relay cannot be recognized by
the battery voltage malfunction, etc. when the starter relay is ON and the
starter control relay is OFFUNKWN
DETENT SWIgnition switch ON Press the selector button with se-
lector lever in P position
 Selector lever in any position oth-
er than POff
Release the selector button with selector lever in P position On
S/L RLY -REQNone of the conditions below are present Off
 Open the driver door after the ignition switch is turned OFF (for a few
seconds)
 Press the push-button ignition switch when the steering lock is activat-
edOn
S/L STATESteering lock is activated LOCK
Steering lock is deactivated UNLOCK
[DTC: B210A] is detected UNKWN
DTRL REQNOTE:
The item is indicated, but not monitored.Off
OIL P SWIgnition switch OFF, ACC or engine running Open
Ignition switch ON Close
HOOD SWClose the hood Off
Open the hood On
HL WASHER REQNot operating Off
Headlamp washer operating On
THFT HRN REQNot operating Off
Horn is activated with vehicle security (theft warning) system On
HORN CHIRPNot operating Off
 Door locking with Intelligent Key (horn chirp mode)
 Door locking with key fob (horn chirp mode)On
CRNRNG LMP REQNOTE:
The item is indicated, but not monitored.Off Monitor Item Condition Value/Status

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
EXL-315
< ECU DIAGNOSIS >[HALOGEN TYPE]
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ST/INHI RLYIgnition switch ON Off
At engine cranking INHI → ST
The status of starter relay or starter control relay cannot be recognized by
the battery voltage malfunction, etc. when the starter relay is ON and the
starter control relay is OFFUNKWN
DETENT SWIgnition switch ON Press the selector button with se-
lector lever in P position
 Selector lever in any position oth-
er than POff
Release the selector button with selector lever in P position On
S/L RLY -REQNone of the conditions below are present Off
 Open the driver door after the ignition switch is turned OFF (for a few
seconds)
 Press the push-button ignition switch when the steering lock is activat-
edOn
S/L STATESteering lock is activated LOCK
Steering lock is deactivated UNLOCK
[DTC: B210A] is detected UNKWN
DTRL REQNOTE:
The item is indicated, but not monitored.Off
OIL P SWIgnition switch OFF, ACC or engine running Open
Ignition switch ON Close
HOOD SWClose the hood Off
Open the hood On
HL WASHER REQNot operating Off
Headlamp washer operating On
THFT HRN REQNot operating Off
Horn is activated with vehicle security (theft warning) system On
HORN CHIRPNot operating Off
 Door locking with Intelligent Key (horn chirp mode)
 Door locking with key fob (horn chirp mode)On
CRNRNG LMP REQNOTE:
The item is indicated, but not monitored.Off Monitor Item Condition Value/Status

INL-10
< FUNCTION DIAGNOSIS >
INTERIOR ROOM LAMP BATTERY SAVER SYSTEM
Component Parts Location
INFOID:0000000003774545
Component DescriptionINFOID:0000000003774546
1. Personal lamp 2. Request switch 3. Step lamp
4. Door switch 5. Door lock/unlock switch 6. Key slot
7. Map lamp 8. Vanity mirror lamp 9. Remote keyless entry receiver
10. BCM 11. Trunk room lamp switch 12. Trunk room lamp
A. Over the glove box B. Behind the combination meter C. Trunk lid lock assembly
D. Trunk room upward
JPLIA1127ZZ
Part Description
BCMOperates the interior room lamp battery saver depending on the vehicle condition to
cut the interior room lamp power supply.
Remote keyless entry receiver Receives the lock/unlock signal from keyfob.
 Transmits the lock/unlock signal to BCM.