Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Sentra 2000-2005 Approved Nissan Sentra 2002 BCS
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K ELECTRICAL
A
B
SECTION
BODY CONTROL SYSTEM C
D
E
CONTENTS
PRECAUTIONS ......................................................... 2
. DIAGNOSTIC ITEM DESCRIPTION .................... 5 . F
Precautions for Supplemental Restraint System CONSULT-II INSPECTION PROCEDURE ........... 6 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Schematic ................................................................ 7
.
SIONER" ................................................................. 2
. Smart Entrance Control Unit Inspection Table ......... 9 . G
Wiring Diagrams and Trouble Diagnosis ................. 2 . TIME CONTROL UNIT ............................................. 10 .
SMART ENTRANCE CONTROL UNIT ..................... 3 . Description (Without Power Door Locks) ............... 10 .
Description .............................................................. 3
. OUTLINE ............................................................ 10
.
H
OUTLINE .............................................................. 3
. INPUT/OUTPUT ................................................. 10 .
BATTERY SAVER CONTROL ............................. 3 . Schematic (Without Power Door Locks) ................ 11 .
INPUT/OUTPUT ................................................... 3 . Time Control Unit Inspection Table (Without Power
CONSULT-II ............................................................ 5
. Door Locks) ........................................................... 12
. I
DIAGNOSTIC ITEMS APPLICATION .................. 5 .
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BCS
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BCS-1
PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS002BU
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:
q To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
q Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harness connec-
tors.
Wiring Diagrams and Trouble Diagnosis EKS002BV
When you read wiring diagrams, refer to the following:
q GI-13, "How to Read Wiring Diagrams"
q PG-2, "POWER SUPPLY ROUTING"
When you perform trouble diagnosis, refer to the following:
q GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
q GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident"
Check for any Service bulletins before servicing the vehicle.
BCS-2
SMART ENTRANCE CONTROL UNIT
SMART ENTRANCE CONTROL UNIT PFP:28596
A
Description EKS002BW
OUTLINE
The smart entrance control unit totally controls the following body electrical system operations. B
q Warning chime
q Rear window defogger and door mirror defogger
q Power door locks C
q Remote keyless entry system
q Vehicle security system
q Interior lamp D
q Battery saver control
BATTERY SAVER CONTROL E
Interior Lamp/Map Lamp/Vanity Lamps
The lamps turn off automatically when the interior lamp, map lamp or/and vanity lamps are illuminated with the
ignition key in the OFF position, if the lamp remains lit by the door switch open signal or if the lamp switch is in F
the ON position for approximately 10 minutes.
After lamps are turned off by the battery saver system, the lamps illuminate again when:
q Driver's door is locked or unlocked,
G
q Door is opened or closed,
q Key is inserted into or removed from the ignition key cylinder.
Rear Window Defogger/Door Mirror Defogger H
Rear window defogger and door mirror defogger are turned off in approximately 15 minutes after the rear win-
dow defogger switch is turned on.
I
INPUT/OUTPUT
System Input Output
Door lock and unlock switch LH and RH J
Key switch (Insert)
Power door lock Door lock actuator
Door switches
Door key cylinder switch
BCS
Vehicle security lamp relay
Key switch (Insert)
Vehicle security horn relay
Ignition switch (ACC)
Interior lamp
Remote keyless entry Door switches
Remote keyless entry relay L
Front door unlock sensor LH
Door lock actuator
Keyfob signal
Trunk lid opener actuator
Key switch (Insert)
M
Ignition switch (ON)
Warning chime (located in smart entrance
Warning chime Lighting switch (1st or 2nd)
control unit)
Seat belt buckle switch LH
Front door switch LH
Rear window defogger and Ignition switch (ON)
Rear window defogger relay
door mirror defogger Rear window defogger switch
Ignition switch (ACC, ON)
Door switches
Hood switch Vehicle security lamp relay
Vehicle security Door lock/unlock switches Horn relay
Door key cylinder switch (lock/unlock) Security indicator lamp
Trunk lid key cylinder switch (unlock)
Door unlock sensors
BCS-3
SMART ENTRANCE CONTROL UNIT
System Input Output
Door switches
Front door unlock sensor LH
Interior lamp Interior lamp
Ignition switch (ON)
Key switch (Insert)
Ignition switch (ON)
Battery saver control for inte- Interior lamp
Door switches
rior lamp/map lamp/vanity Map lamp
Lamp switches
lamps Vanity lamps
Main power window and door lock/unlock switch
BCS-4
SMART ENTRANCE CONTROL UNIT
CONSULT-II EKS002BX
DIAGNOSTIC ITEMS APPLICATION A
Item (CONSULT-II Diagnosed system DATA MONITOR ACTIVE TEST WORK SUPPORT
screen terms)
DOOR LOCK Power door lock X X B
REAR DEFOGGER Rear window defogger X X
KEY WARN ALM Warning chime X X
C
LIGHT WARN ALM Warning chime X X
SEAT BELT ALM Warning chime X X
INT LAMP Interior lamps X X D
BATTERY SAVER Battery saver control for
X X
interior lamp
THEFT WAR ALM Vehicle security system X X X E
MULTI REMOTE ENT Remote keyless entry
X X X
system
F
X: Applicable
For diagnostic item in each control system, refer to the relevant pages for each system.
DIAGNOSTIC ITEM DESCRIPTION G
MODE Description
DATA MONITOR Input/output data in the smart entrance control unit can be read.
ACTIVE TEST Diagnostic Test Mode in which CONSULT-II drives some systems H
apart from the smart entrance control unit.
WORK SUPPORT for THEFT WAR ALM The recorded trigger signal when vehicle security system was
activated can be checked. I
WORK SUPPORT for MULTI REMOTE ENT ID code of keyfob can be registered and erased.
J
BCS
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BCS-5
SMART ENTRANCE CONTROL UNIT
CONSULT-II INSPECTION PROCEDURE
1. Turn the ignition switch "OFF".
2. Connect "CONSULT-II" to the data link connector.
LAT136
3. Turn ignition switch "ON".
4. Touch "START".
PBR455D
5. Touch "SMART ENTRANCE".
LEL642
6. Perform each diagnostic item according to "DIAGNOSTIC
ITEMS APPLICATION". Refer to BCS-5, "DIAGNOSTIC ITEMS
APPLICATION" .
LEL643
BCS-6
SMART ENTRANCE CONTROL UNIT
Schematic EKS002BY
A
B
C
D
E
F
G
H
I
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BCS
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WKWA0113E
BCS-7
SMART ENTRANCE CONTROL UNIT
LEL120A
BCS-8
SMART ENTRANCE CONTROL UNIT
Smart Entrance Control Unit Inspection Table EKS002BZ
A
Terminal Wire Voltage
Connections Operated condition
No. color (Approx.)
2 G/R Rear window defogger relay OFF ON (Ignition key is in "ON" position) 0V 12V
B
Horn relay and vehicle security When panic alarm is operated using Keyfob or when alarm
4 SB 12V 0V
lamp relay is activated
7 OR/B Remote keyless entry relay When doors are locked using Keyfob 12V 0V C
When interior lamp is operated using Keyfob (Lamp switch
8 R/Y Interior lamp 0V 12V
in "DOOR" position)
10 PU Power source (Fuse) -- 12V D
11 W/L Power source (C/B) -- 12V
12 P/B Trunk lid opener actuator ON (Open) OFF (Closed) 0V 12V
E
13 L/R Driver door lock actuator Free 0V
Passenger and rear doors lock Door lock & unlock switch
14 W/R Unlocked 12V
actuators
F
Free 0V
15 R/B Door lock actuators Door lock & unlock switch
Locked 12V
16 B Ground -- -- G
17 R/B Battery saver (Interior lamp) Battery saver does not operate Operate 12V 0V
19 W/G Horn relay When doors are locked using Keyfob with horn chirp mode 12V 0V
H
21 P Ignition switch (ACC, ON) "ACC" or "ON" position 12V
22 W/B Seat belt buckle switch LH Unfasten Fasten (Ignition key is in "ON" position) 0V 5V
23 GY Door lock & unlock switches Neutral Locks 5V 0V I
27 P/B Hood switch ON (Open) OFF (Closed) 0V 5V
28 R/W Other door switches OFF (Closed) ON (Open) 5V 0V
29 R Front door switch LH OFF (Closed) ON (Open) 5V 0V J
30 W/L Door key cylinder unlock switch OFF (Neutral) ON (Unlocked) 5V 0V
31 GY/R Vehicle security indicator Goes off Illuminates 12V 0V
BCS
32 L/W Ignition key switch (Insert) Key inserted Key removed from IGN key cylinder 12V 0V
33 G Ignition switch (ON,START) Ignition key is in "ON" or "START" position 12V
Combination switch (Lighting L
34 R/G 1ST, 2ND positions: ON OFF 12V 0V
switch)
35 PU/R Door lock & unlock switches Neutral Unlocks 5V 0V
36 Y/G Door unlock sensor LH Driver door: Locked Unlocked 5V 0V M
37 Y Door unlock sensor RH Passenger door: Locked Unlocked 5V 0V
38 R/B Trunk room lamp switch ON (Open) OFF (Closed) 0V 12V
Air control (Rear window defog-
39 G/B OFF ON 5V 0V
ger switch)
41 LG/R Door key cylinder lock switch OFF (Neutral) ON (Locked) 5V 0V
42 L/OR Trunk lid key cylinder switch OFF (Neutral) ON (Unlock) 5V 0V
BCS-9
TIME CONTROL UNIT
TIME CONTROL UNIT PFP:28491
Description (Without Power Door Locks) EKS002C0
OUTLINE
The time control unit totally controls the following body electrical system operations.
q Warning chime
q Rear window defogger
INPUT/OUTPUT
System Input Output
Key switch (Insert)
Ignition switch (ON)
Warning chime Lighting switch (1st or 2nd) Warning chime (located in time control unit)
Seat belt buckle switch LH
Front door switch LH
Ignition switch (ON)
Rear window defogger Rear window defogger relay
Rear window defogger switch
BCS-10
TIME CONTROL UNIT
Schematic (Without Power Door Locks) EKS002C1
A
B
C
D
E
F
G
H
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BCS
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LEL553
BCS-11
TIME CONTROL UNIT
Time Control Unit Inspection Table (Without Power Door Locks) EKS002C2
Terminal Wire Voltage
Connections Operated condition
No. color (Approx.)
1 W/B Seat belt buckle switch LH Unfasten Fasten (Ignition key is in "ON" position) 0V 5V
2 R Front door switch LH OFF (Closed) ON (Open) 5V 0V
Air control (Rear window defog-
3 G/B OFF ON 5V 0V
ger switch)
4 L/W Ignition key switch (Insert) Key inserted Key removed from IGN key cylinder 12V 0V
Combination switch (Lighting
5 R/G 1ST, 2ND positions: ON OFF 12V 0V
switch)
7 PU Power source (Fuse) -- 12V
8 B Ground -- --
9 G Ignition switch (ON, START) Ignition key is in "ON" or "START" position 12V
10 G/R Rear window defogger relay OFF ON (Ignition key is in "ON" position) 0V 12V
BCS-12
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