2003 NISSAN TEANA change key battery

BCM (BODY CONTROL MODULE)
BCS-13
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CONSULT-II Function (BCM)BKS001UK
CONSULT-II can display each diagnostic item using the diagnostic test mode shown following.
CONSULT-II BASIC OPERATION
Refer to GI-34, "CONSULT-II Start Procedure" .
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.
ITEMS OF EACH PART
NOTE:
CONSULT-II will only display systems the vehicle possesses.
×:Applicable
NOTE:
This item is displayed, but should not be used.BCM diagnostic test item Check item, diagnostic test mode Content
Inspection by partWORK SUPPORT Changes setting of each function.
SELF-DIAGNOSIS RESULTS BCM performs self-diagnosis of CAN communication.
DATA MONITOR Displays the input data of BCM in real time.
CAN DIAG SUPPORT MNTRThe result of transmit/receive diagnosis of CAN communication
can be read.
ACTIVE TEST Gives a drive signal to a load to check the operation.
ECU PART NUMBER ECM part number can be read.
CONFIGURATION (Not be used.)
CONSULT-II display System and itemDiagnostic test mode (Inspection by part)
WORK
SUPPORTSELF−
DIAG
RESULTSDATA
MONITORCAN
DIAG
SUP-
PORT
MNTRACTIVE
TESTECU
PA R T
NUMBERCON-
FIGU-
RATION
BCM BCM×× × ×
×
NOTE
DOOR LOCK Power door lock system×××
REAR DEFOGGER Rear window defogger××
BUZZER Warning chime××
INT LAMP Room lamp timer×××
MULTI REMOTE ENTRemote keyless entry
system×××
HEAD LAMP Headlamp×××
WIPER Wiper×××
FLASHERTurn signal lamp
Hazard lamp××
AIR CONDITONERBlower fan switch signal
A/C switch signal×
INTELLIGENT KEY Intelligent Key system×
COMB SW Combination switch×
IMMU NATS××
BATTERY SAVER Room lamp battery saver×× ×
TRUNK Trunk lid opener××
SIGNAL BUFFER Oil pressure switch××
PANIC ALARM Panic alarm×

BL-2 Check Door Lock Actuator Output Signal ............... 39
Check Door Lock Actuator Circuit .......................... 40
(DRIVER SIDE AND REAR LH) .......................... 40
(PASSENGER SIDE AND REAR RH) ................. 41
Check Door Unlock Sensor .................................... 42
FUEL FILLER LID OPENER ..................................... 44
Component Part and Harness Connector Location ... 44
Wiring Diagram –F/LID– ......................................... 45
REMOTE KEYLESS ENTRY SYSTEM ..................... 46
Component Parts and Harness Connector Location ... 46
System Description ................................................. 46
INPUTS ............................................................... 46
OPERATED PROCEDURE ................................. 47
CAN Communication System Description .............. 48
CAN Communication Unit ....................................... 48
Schematic ............................................................... 49
Wiring Diagram — KEYLES— ................................ 50
FIG. 1 ................................................................... 50
FIG. 2 ................................................................... 51
FIG. 3 ................................................................... 52
Terminals and Reference Value for BCM ................ 53
Terminals and Reference Value for IPDM E/R ........ 54
CONSULT-II Function (BCM) .................................. 54
CONSULT-II START PROCEDURE .................... 54
CONSULT-II APPLICATION ITEMS .................... 54
Work Flow ............................................................... 56
Trouble Diagnosis Symptom Chart ......................... 56
Check Key Fob Battery and Function ..................... 57
Check ACC Switch ................................................. 58
Check Door Switch ................................................. 59
CHECK DOOR SWITCH (EXCEPT TRUNK
ROOM LAMP SWITCH) ...................................... 59
CHECK TRUNK ROOM LAMP SWITCH ............ 61
Check Key Switch ................................................... 63
Check Hazard Function .......................................... 64
Check Map Lamp and Ignition Keyhole Illumination
Function .................................................................. 64
ID Code Entry Procedure ....................................... 64
KEY FOB ID SET UP WITH CONSULT-II ........... 64
KEY FOB ID SET UP WITHOUT CONSULT-II .... 66
Key Fob Battery Replacement ................................ 67
INTELLIGENT KEY SYSTEM ................................... 68
Component Parts and Harness Connector Location ... 68
System Description ................................................. 70
DOOR LOCK/UNLOCK, TRUNK OPEN FUNC-
TION .................................................................... 70
REMOTE KEYLESS ENTRY FUNCTIONS ......... 71
ENGINE START FUNCTION ............................... 72
WARNING AND ALARM FUNCTION .................. 73
CHANGE SETTINGS FUNCTION ....................... 76
INTELLIGENT KEY REGISTRATION .................. 76
STEERING LOCK UNIT REGISTRATION .......... 77
CAN Communication System Description .............. 77
CAN Communication Unit ....................................... 77
Schematic ............................................................... 78
Wiring Diagram — I/KEY— .................................... 80
Terminals and Reference Value for Intelligent Key
Unit ......................................................................... 88
Terminals and Reference Value for Steering Lock Unit .......................................................................... 90
Terminals and Reference Value for BCM ................ 90
Diagnosis Procedure ............................................... 91
WORK FLOW ...................................................... 91
ENGINE START FUNCTION DIAGNOSTIC
PROCEDURE ...................................................... 92
CONSULT-II Functions (INTELLIGENT KEY) ......... 93
CONSULT-II Inspection Procedure ......................... 93
BASIC OPERATION ............................................ 93
CONSULT-II Application Items ................................ 93
SELF-DIAGNOSTIC RESULTS ........................... 93
DATA MONITOR .................................................. 93
WORK SUPPORT ............................................... 94
ACTIVE TEST ...................................................... 95
Trouble Diagnosis Symptom Chart ......................... 96
ALL FUNCTIONS OF THE INTELLIGENT KEY
ARE NOT OPERATING ....................................... 96
REMOTE KEYLESS ENTRY FUNCTION MAL-
FUNCTION .......................................................... 96
DOOR LOCK FUNCTION MALFUNCTION ......... 97
TRUNK OPEN FUNCTION MALFUNCTION ....... 97
HAZARD REMINDER FUNCTION MALFUNC-
TION .................................................................... 98
ENGINE START FUNCTION MALFUNCTION .... 98
WARNING CHIME FUNCTION MALFUNCTION ... 99
Check CAN Communication System ....................100
Check Intelligent Key Unit Power Supply and
Ground Circuit .......................................................100
Check Key Switch (Intelligent Key Unit Input) .......101
Check Key Switch (BCM Input) .............................102
Check Ignition knob Switch ...................................103
Check Door Switch ...............................................105
CHECK DOOR SWITCH (EXCEPT TRUNK
ROOM LAMP SWITCH) .....................................105
CHECK TRUNK ROOM LAMP SWITCH ...........107
Check Door Request Switch .................................109
Check Intelligent Key Warning Buzzer .................. 111
Check Outside Key Antenna .................................112
Check Inside Key Antenna ....................................114
Check Steering Lock Unit ......................................115
Check Headlamp Function ....................................117
Removal and Installation of Intelligent Key Unit ....117
REMOVAL ..........................................................117
INSTALLATION ..................................................117
Intelligent Key Battery Replacement .....................117
DISASSEMBLY AND ASSEMBLY OF INTELLI-
GENT KEY .........................................................117
INTELLIGENT KEY BATTERY INSPECTION ...118
DOOR ......................................................................119
Fitting Adjustment .................................................119
FRONT DOOR ...................................................119
REAR DOOR .....................................................119
STRIKER ADJUSTMENT ..................................120
Removal and Installation of Front Door ................120
REMOVAL ..........................................................120
INSTALLATION ..................................................120
Removal and Installation of Rear Door .................120
REMOVAL ..........................................................121

BL-56
REMOTE KEYLESS ENTRY SYSTEM

Work FlowBIS000WN
1. Check the symptom and customer's requests.
2. Understand outline of system. Refer to BL-46, "
System Description" .
3. Confirm that power door lock system operates normally.
Refer to BL-21, "
POWER DOOR LOCK SYSTEM" .
4. Repair or replace any malfunctioning parts.
Refer to BL-56, "
Trouble Diagnosis Symptom Chart" .
5. Does remote keyless entry system operate normally? If Yes, GO TO 6. If No, GO TO 4.
6. INSPECTION END
Trouble Diagnosis Symptom ChartBIS000WO
NOTE:

Always check the “Work Flow” before troubleshooting. Refer to BL-56, "Work Flow" .

Always check key fob battery before replacing key fob.
Symptom Diagnoses/service procedureReference
page
All function of remote keyless entry system do not
operate.1. Check key fob battery and function.BL-57
2. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning.BL-64
3. Replace BCM.BCS-16
The new ID of key fob cannot be entered.1. Check key fob battery and function.BL-57
2. Check key switch.BL-63
3. Check door switch.BL-59
4. Check ACC switch.BL-58
5. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning.BL-64
6. Replace BCM.BCS-16
Door lock or unlock does not function with key fob.
(Power door lock system is “OK”.)1. Check key fob battery and function.BL-57
2. Replace key fob. Refer to ID Code Entry Procedure.
NOTE:
If the result of key fob function check with CONSULT-II is OK, key
fob is not malfunctioning.BL-64
3. Replace BCM.BCS-16
Hazard reminder does not activate properly when
pressing lock or unlock button of key fob.1. Check hazard reminder mode.*
*: Hazard reminder mode can be changed.
First check the hazard reminder setting.BL-54
2. Check hazard function.BL-64
3. Replace BCM.BCS-16
Auto door lock operation does not activate properly.
(All other remote keyless entry system function is
OK.)1. Check auto door lock operation mode.*
*: Auto door lock operation mode can be changed.
First check the auto door lock operation setting.BL-54
2. Replace BCM.BCS-16
Map lamp and ignition keyhole illumination opera-
tion does not activate properly.1. Check map lamp and ignition keyhole illumination operation.BL-64
2. Replace BCM.BCS-16

BL-70
INTELLIGENT KEY SYSTEM

System DescriptionBIS000WZ

The Intelligent Key system is a system that makes it possible to lock and unlock the door locks (door lock
function) and start the engine (engine start function) by carrying around the Intelligent Key, which operates
based on the results of electrical key-ID verification using two-way communications between the Intelli-
gent Key and the vehicle

Operation of the remote control buttons on the Intelligent Key also provides the same functions as the
remote keyless entry system. (Remote keyless entry functions)

As an ignition key warning function, when a door lock is locked or unlocked with request switch or remote
controller button operation, the hazard lamps flash and the Intelligent Key warning buzzer sounds.

Even if the Intelligent Key battery runs down, the door locks can be locked and unlocked and the engine
started with the mechanical key built into the Intelligent Key.

If an Intelligent Key is lost, a new Intelligent Key can be registered. A maximum of 4 Intelligent Keys can
be registered.

It has been made possible to diagnose the system, change the function setting and register an Intelligent
Key with the CONSULT-II.
DOOR LOCK/UNLOCK, TRUNK OPEN FUNCTION
Operation Description

When the driver door, passenger door, or trunk open request switch is pressed, Intelligent Key unit sends
a request signal from the outside key antenna corresponding to the pressed request switch, key-ID verifi-
cation is performed using two-way communication with Intelligent Key, and if ID is successfully verified, a
door lock/unlock request signal is sent to BCM using CAN communication to lock/unlock the door lock.

When door is locking, door is unlocked, when door is unlocking, door is locked.

When door lock is locked/unlocked by door request switch operation, hazard lamps flash and Intelligent
Key warning buzzer sounds.

With the locking operation of door request switch, door lock actuators of all door are locked.

When trunk open request switch is pushed, trunk lid is opened.
Operation Condition
Auto Door Lock Function
After the door request switch in the driver or passenger door is operated and the vehicle door locks are
unlocked, all the doors are automatically locked unless the mechanical key is inserted into the ignition knob,
the ignition knob is pressed, any door request switch is pressed, any one of the doors is opened, or an Intelli-
gent Key remote control button is operated within 2 minutes.
Hazard Reminder Function
The hazard lamps are flashed when the door lock is locked or unlocked by door request switch operation.
When ignition switch ON or any door is opened, key reminder function is not operate.
Request switch operation Operating conditions
Request switch (Driver side) When all the conditions below are met

All doors are closed (for lock operation)

Remove mechanical key from ignition key cylinder (key switch: OFF)

Ignition knob is not press (ignition knob switch: OFF)

The Intelligent Key is in the outside key antenna detection area for the door for which
the door request switch was operated. Request switch (passenger side)
Request switch (trunk lid)When all the conditions below are met

The Intelligent Key is in the antenna detection area for the outside key antenna (rear
bumper).

When the Intelligent Key is detection for the Inside Key antenna, but another Intelli-
gent Key is detected for the outside key antenna.
Vehicle operation Hazard lamp
Door unlock operation Twice
Door lock operationOnce

BL-74
INTELLIGENT KEY SYSTEM

Operation Condition
Warning and alarm names Operating conditions (when all the conditions below are met)
Ignition knob return forgotten warn-
ing

The ignition switch is in the ACC, OFF, or LOCK position (knob pressed)

The driver door is opened.
Ignition key warning
(When mechanical key used)

The mechanical key is inserted in the ignition knob (key switch: ON)

The ignition switch is in the ACC, OFF, or LOCK position.

The driver door is opened
Ignition knob OFF position warning
(for inside car: when door closed)

The ignition switch is in the OFF or LOCK position (knob pressed)

In the above state, when the ignition switch is changed from ON to OFF and 1 second
passes. (However, this warning is not issued if the mechanical key is inserted in the igni-
tion knob, ignition knob is turned except OFF position or ignition or ignition knob is not
pushed.)
Ignition knob OFF position warning
(for outside car: when door opened/
closed)

The ignition switch is in the OFF or LOCK position (knob pressed)

In the above state, when the ignition switch is changed from ON to OFF and 1 second
passes. (However, this warning is not issued if the mechanical key is inserted in the igni-
tion knob, ignition knob is turned except OFF position or ignition or ignition knob is not
pushed.)

Driver door open → closed
Warning for take out of Intelligent
Key to outside the car (when door
open/closed)
When Any of the Following Conditions Are Met

When the ignition knob is pressed in so that it can be rotated (or has been rotated), if any
of the doors has been opened, when all the doors are closed, the Intelligent Key unit
compares the key-ID with that of the Intelligent Key using the inside key antenna, if the
results of the comparison are NG (the Intelligent Key is not found)

When the ignition knob is pressed in so that it can be rotated (or has been rotated), if any
of the doors is open, the Intelligent Key unit compares the key-ID with that of the Intelli-
gent Key every 5 seconds using the inside key antenna, if the results of the comparison
are NG (the Intelligent Key is not found)
NOTE:
However, this warning is not issued if the mechanical key is inserted in the ignition knob.
Warning for take out of Intelligent
Key to outside the car (from win-
dow)When the ignition knob is pressed in so that it can be rotated (or has been rotated), if the
vehicle speed is less than 5 km per hour, the Intelligent Key unit compares the key-ID with
that of the Intelligent Key every 30 seconds using the inside key antenna, if the results of
the comparison are NG (the Intelligent Key is not found)
Note: The factory setting for this function is OFF.
Door lock non-operation warningWhen any of the following conditions are met

When the Intelligent Key is inside the car and the ignition knob is not pressed, when an
attempt is made to lock a door lock with a door request switch
NOTE:
This warning is issued even if the Intelligent Key is not in the out side key antenna detec-
tion area corresponding to the door request switch was operated.

When the ignition knob is pressed, when an attempt is made to lock a door lock with a
door request switch
NOTE:
This warning is only issued if the Intelligent Key is in the out side key antenna detection
area corresponding to the door request switch was operated.

When any of the doors is open, when an attempt is made to lock a door lock with a door
request switch
NOTE:
This warning is only issued if the Intelligent Key is in the out side key antenna detection
area corresponding to the door request switch was operated.
Intelligent Key low battery pre-
warningThis warning is issued when it is detected that the battery in the Intelligent Key has been
used up.

BL-76
INTELLIGENT KEY SYSTEM

CHANGE SETTINGS FUNCTION
The settings for each function can be changed with the CONSULT-II or Intelligent Key operation.
Changing Settings With the Intelligent Key
Intelligent Key remote controller button and door request switch operations change the engine startup function
settings (startup enabled/disabled) for each Intelligent Key independently.
Settings Change Procedure
1. With the ignition switch is in the LOCK position (ignition knob not pressed), hold down both the LOCK and
UNLOCK remote control buttons on the Intelligent Key at the same time for at least 10 seconds (The yard-
stick is that the Intelligent Key LED flashes 20 times.)
2. Within 5 seconds of releasing the Intelligent Key remote controller buttons, press the driver door request
switch.
3. The KEY warning lamp in combination meter lights up for 3 seconds (engine starting enabled → starting
disabled: lights up red, engine starting disabled → flashes green). This completes the settings change.
Changing Settings Using CONSULT-II
The settings for the Intelligent Key system functions can be changed using CONSULT-II (WORK SUPPORT).
Refer to BL-94, "
WORK SUPPORT" .
NOTE:
Once a function setting is changed, it will remain effective even if the battery is disconnected.
INTELLIGENT KEY REGISTRATION
Intelligent Key-ID registration is performed using the CONSULT-II. Up to 4 can be registered.
CAUTION:

After a new Intelligent Key-ID is registered, be sure to check the function.

When registering an additional Intelligent Key-ID, take any Intelligent Keys already registered and
Intelligent Keys for any other vehicles out of the vehicle before starting.
CONSULT-II can be used to check and delete Intelligent Key-IDs.
For future information, see the CONSULT-II Operation Manual NATS.
Door lock non-operation warning× × ××××××××××
Intelligent Key low battery warning×××××× Warning and alarm functions
Intelligent Key
Key switch
Ignition knob switch
Intelligent Key unit ignition switch ACC position input signal
Intelligent Key unit ignition switch ON position input signal
Door switch
Door request switch
Door lock actuator
Inside key antenna
Outside key antenna (Driver, Passenger)
Outside key antenna (rear bumper)
Intelligent Key warning buzzer
Intelligent Key unit
CAN communication system
BCM
Combination meter

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

PARKING, LICENSE PLATE AND TAIL LAMPS
LT-197
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to unified meter and A/C amp. terminal 21.
With the ignition switch in the ON or START position, power is supplied

to ignition relay (located in IPDM E/R),

through 10A fuse [No. 1, located in fuse block (J/B)]

to BCM terminal 38,

through 10A fuse [No. 14, located in fuse block (J/B)]

to combination meter terminal 8,

through 10A fuse [No. 12, located in fuse block (J/B)]

to unified meter and A/C amp. terminal 22.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 6, located in fuse block (J/B)]

to BCM terminal 11.
Ground is supplied

to BCM terminal 52

to combination meter terminals 10, 11 and 12, and

to unified meter and A/C amp. terminals 29 and 30

through grounds M71 and M72,

to IPDM E/R terminals 38 and 60

through grounds E1 and E31.
PARKING, LICENCE PLATE AND TAIL LAMPS OPERATION
When the lighting switch is in 1ST position, BCM detects the LIGHTING SWITCH 1ST POSITION (ON) by
BCM combination switch reading function. And then, BCM sends position light request signal (ON) through
CAN communication.
When receiving position light request signal (ON), IPDM E/R turns ON tail lamp relay in IPDM E/R. And then,
parking, license plate and tail lamps go ON. IPDM E/R supplies power

through IPDM E/R terminal 22

to front combination lamp RH and LH terminals 7

to license plate lamp RH and LH terminals 1 and

to rear combination lamp RH and LH terminals 3.
Ground is supplied at all times

to front combination lamp RH and LH terminals 4

through grounds E1 and E31,

to license plate lamp RH and LH terminals 2

through grounds B214 and B217,

to rear combination lamp RH and LH terminals 2

through grounds M71 and M72 (with rear view camera)

through grounds B16 and B17 (without rear view camera).
With power and ground supplied, the parking, license plate and tail lamps illuminate.
Unified meter and A/C amp. receives position light request signal (ON) through CAN communication, make tail
lamp indicator go ON in combination meter.
COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
EXTERIOR LAMP BATTERY SAVER CONTROL
When any of the 1ST/2ND position with exterior lamp ON, the ignition switch is turned to OFF. The driver's
door is opened to get out of the car and then closed, BCM turns OFF exterior lamp with door lock operation of
the remote keyless entry system or Intelligent Key system in order to prevent battery from running by forget-
ting about turning OFF the exterior lamp.
This setting can be changed by CONSULT-II. Refer to LT- 1 9 , "
WORK SUPPORT" .