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I BODY

B
SECTION
BODY, LOCK & SECURITY SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 3 . DOOR LOCK ...................................................... 21 . F
Precautions for Supplemental Restraint System Trouble Diagnoses ................................................ 22 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SYMPTOM CHART ............................................ 22 .
SIONER" ................................................................. 3
. MAIN POWER SUPPLY AND GROUND CIR- G
PREPARATION .......................................................... 4 . CUIT CHECK ..................................................... 23 .
Special Service Tools .............................................. 4 . DOOR SWITCH CHECK .................................... 24 .
Commercial Service Tools ....................................... 4 . KEY SWITCH (INSERT) CHECK ....................... 25 .
H
SQUEAK AND RATTLE TROUBLE DIAGNOSES..... 5 DOOR LOCK/UNLOCK SWITCH CHECK ......... 26 .
Work Flow ............................................................... 5
. FRONT DOOR KEY CYLINDER SWITCH
CUSTOMER INTERVIEW .................................... 5 . CHECK ............................................................... 28
.
DUPLICATE THE NOISE AND TEST DRIVE ...... 6 . DOOR LOCK ACTUATOR CHECK .................... 29 . BL
CHECK RELATED SERVICE BULLETINS .......... 6 . DOOR ....................................................................... 31
.
LOCATE THE NOISE AND IDENTIFY THE Front Door ............................................................. 31
.
ROOT CAUSE ..................................................... 6 . Rear Door .............................................................. 31
. J
REPAIR THE CAUSE .......................................... 6 . TRUNK LID OPENER .............................................. 33 .
CONFIRM THE REPAIR ...................................... 7 . Wiring Diagram -- TLID -- .................................... 33 .
Generic Squeak and Rattle Troubleshooting .......... 7 . REMOTE KEYLESS ENTRY SYSTEM .................... 34 .
K
INSTRUMENT PANEL ......................................... 7 . Component Parts and Harness Connector Location 34 ...
CENTER CONSOLE ............................................ 7 . System Description ................................................ 35 .
DOORS ................................................................ 7
. INPUTS .............................................................. 35
.
TRUNK ................................................................. 8
. OPERATED PROCEDURE ................................ 35 . L
SUNROOF/HEADLINING .................................... 8 . Schematic .............................................................. 37
.
OVERHEAD CONSOLE (FRONT AND REAR)..... 8 Wiring Diagram -- KEYLES -- .............................. 38 .
SEATS .................................................................. 8
. FIG. 1 .................................................................. 38
. M
UNDERHOOD ...................................................... 8 . FIG. 2 .................................................................. 40
.
Diagnostic Worksheet ............................................. 9 . FIG. 3 .................................................................. 41
.
POWER DOOR LOCK ..............................................11 . CONSULT-II Function (SMART ENTRANCE) ....... 43 .
Component Parts and Harness Connector Location ....11 CONSULT-II INSPECTION PROCEDURE ......... 43 .
System Description ............................................... 12 . CONSULT-II Application Items .............................. 44 .
OPERATION ...................................................... 12 . MULTI REMOTE ENT ........................................ 44 .
Schematic ............................................................. 13
. Trouble Diagnoses ................................................ 45 .
Wiring Diagram -- D/LOCK -- .............................. 14 . SYMPTOM CHART ............................................ 45 .
FIG. 1 .................................................................. 14
. KEYFOB BATTERY AND FUNCTION CHECK ... 47
FIG. 2 .................................................................. 16
. POWER SUPPLY AND GROUND CIRCUIT
FIG. 3 .................................................................. 17
. CHECK ............................................................... 48
.
FIG. 4 .................................................................. 18
. DOOR SWITCH CHECK .................................... 50 .
FIG. 5 .................................................................. 19
. KEY SWITCH (INSERT) CHECK ....................... 51 .
CONSULT-II Function (SMART ENTRANCE) ....... 20 . DOOR LOCK/UNLOCK SWITCH LH CHECK .... 52 .
CONSULT-II INSPECTION PROCEDURE ........ 20 . FRONT LH DOOR UNLOCK SENSOR CHECK 54 ...
CONSULT-II Application Items .............................. 21 . TRUNK LID OPENER ACTUATOR CHECK ...... 56 .

Revision: July 2005 BL-1 2005 Sentra
HAZARD REMINDER CHECK ........................... 57 . DOOR KEY CYLINDER SWITCH CHECK .........89 .
HORN REMINDER CHECK ............................... 59 . TRUNK LID KEY CYLINDER SWITCH CHECK...90
INTERIOR LAMP OPERATION CHECK ............ 60 . DOOR LOCK/UNLOCK SWITCH CHECK ..........91 .
ID Code Entry Procedure ...................................... 61 . HORN AND HEADLAMP ALARM CHECK .........93 .
KEYFOB ID SET UP WITH CONSULT-II ........... 61 . Electrical Components Inspection ..........................95 .
KEYFOB ID SET UP WITHOUT CONSULT-II .... 63 . VEHICLE SECURITY LAMP RELAY ..................95 .
Keyfob Battery Replacement ................................. 64 . NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM
VEHICLE SECURITY (THEFT WARNING) SYSTEM 65 ... -- NATS) ...................................................................96
.
Component Parts and Harness Connector Location 65 ... Component Parts and Harness Connector Location ...96
System Description ................................................ 67 . System Description ................................................97 .
DESCRIPTION ................................................... 67 . System Composition ..............................................97 .
POWER SUPPLY AND GROUND ...................... 67 . Wiring Diagram -- NATS -- ...................................98 .
INITIAL CONDITION TO ACTIVATE THE SYS- CONSULT-II ...........................................................99
.
TEM .................................................................... 68
. CONSULT-II INSPECTION PROCEDURE .........99 .
VEHICLE SECURITY SYSTEM ACTIVATION ... 68 CONSULT-II DIAGNOSTIC TEST MODE FUNC-
VEHICLE SECURITY SYSTEM ALARM OPER- TION ................................................................. 100
.
ATION ................................................................. 69
. HOW TO READ SELF-DIAGNOSTIC RESULTS.100
VEHICLE SECURITY SYSTEM DEACTIVATION 69 ... NVIS (NATS) SELF-DIAGNOSTIC RESULTS
PANIC ALARM OPERATION .............................. 69 . ITEM CHART .................................................... 101 .
Schematic .............................................................. 71
. Trouble Diagnoses ............................................... 102 .
Wiring Diagram -- VEHSEC -- ............................. 72 . WORK FLOW ................................................... 102 .
FIG. 1 .................................................................. 72
. SYMPTOM MATRIX CHART 1 (SELF-DIAGNO-
FIG. 2 .................................................................. 73
. SIS RELATED ITEM) ........................................ 103 .
FIG. 3 .................................................................. 74
. SYMPTOM MATRIX CHART 2 (NON SELF-
FIG. 4 .................................................................. 75
. DIAGNOSIS RELATED ITEM) .......................... 103 .
CONSULT-II Function (SMART ENTRANCE) ....... 77 . DIAGNOSTIC SYSTEM DIAGRAM .................. 104 .
CONSULT-II INSPECTION PROCEDURE ......... 77 . DIAGNOSTIC PROCEDURE 1 ......................... 104 .
CONSULT-II Application Item ................................ 78 . DIAGNOSTIC PROCEDURE 2 ......................... 105 .
THEFT WAR ALM .............................................. 78 . DIAGNOSTIC PROCEDURE 3 ......................... 109 .
Trouble Diagnoses ................................................. 80 . DIAGNOSTIC PROCEDURE 4 ......................... 110 .
PRELIMINARY CHECK ...................................... 80 . DIAGNOSTIC PROCEDURE 5 ......................... 111 .
SYMPTOM CHART ............................................ 81 . DIAGNOSTIC PROCEDURE 6 ......................... 112 .
POWER SUPPLY AND GROUND CIRCUIT DIAGNOSTIC PROCEDURE 7 ......................... 114 .
CHECK ............................................................... 82
. How to Replace NVIS (NATS) IMMU ................... 115 .
DOOR AND TRUNK ROOM LAMP SWITCH BODY (ALIGNMENT) ............................................. 116 .
CHECK ............................................................... 83
. Alignment ............................................................. 116
.
SECURITY INDICATOR LAMP CHECK ............. 86 . ENGINE COMPARTMENT ............................... 117 .
FRONT DOOR UNLOCK SENSOR CHECK ...... 88 . UNDERBODY ................................................... 120 .

Revision: July 2005 BL-2 2005 Sentra
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EIS0014O

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
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. C
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. D
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. E
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. F

Revision: July 2005 BL-3 2005 Sentra
PREPARATION

PREPARATION PFP:00002

Special Service Tools EIS0014P

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.) Description
Tool name
-- Locating the noise
(J-39570)
Chassis ear

SIIA0993E

-- Repairing the cause of noise
(J-43980)
Nissan Squeak and Rattle kit

SIIA0994E

-- Used to test keyfobs
(J-43241)
Remote Keyless Entry Tester

LEL946A

Commercial Service Tools EIS0014Q

Tool name
Description
(Kent-Moore No.)
Engine ear Locating the noise
(J-39565)

SIIA0995E

Revision: July 2005 BL-4 2005 Sentra
SQUEAK AND RATTLE TROUBLE DIAGNOSES

SQUEAK AND RATTLE TROUBLE DIAGNOSES PFP:00000
A
Work Flow EIS0046R

SBT842
G

CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diag- H
nostic Worksheet during the interview to document the facts and conditions when the noise occurs and any
customer's comments; refer to BL-9, "Diagnostic Worksheet" . This information is necessary to duplicate the
conditions that exist when the noise occurs.
BL
q The customer may not be able to provide a detailed description or the location of the noise. Attempt to
obtain all the facts and conditions that exist when the noise occurs (or does not occur).
q If there is more than one noise in the vehicle, be sure to diagnose and repair the noise that the customer
J
is concerned about. This can be accomplished by test driving the vehicle with the customer.
q After identifying the type of noise, isolate the noise in terms of its characteristics. The noise characteristics
are provided so the customer, service adviser and technician are all speaking the same language when
defining the noise. K
q Squeak --(Like tennis shoes on a clean floor)
Squeak characteristics include the light contact/fast movement/brought on by road conditions/hard sur-
faces = higher pitch noise/softer surfaces = lower pitch noises/edge to surface = chirping. L
q Creak--(Like walking on an old wooden floor)
Creak characteristics include firm contact/slow movement/twisting with a rotational movement/pitch
dependent on materials/often brought on by activity. M
q Rattle--(Like shaking a baby rattle)
Rattle characteristics include the fast repeated contact/vibration or similar movement/loose parts/missing
clip or fastener/incorrect clearance.
q Knock --(Like a knock on a door)
Knock characteristics include hollow sounding/sometimes repeating/often brought on by driver action.
q Tick--(Like a clock second hand)
Tick characteristics include gentle contacting of light materials/loose components/can be caused by driver
action or road conditions.
q Thump--(Heavy, muffled knock noise)
Thump characteristics include softer knock/dead sound often brought on by activity.
q Buzz--(Like a bumble bee)
Buzz characteristics include high frequency rattle/firm contact.
q Often the degree of acceptable noise level will vary depending upon the person. A noise that you may
judge as acceptable may be very irritating to the customer.
q Weather conditions, especially humidity and temperature, may have a great effect on noise level.

Revision: July 2005 BL-5 2005 Sentra
SQUEAK AND RATTLE TROUBLE DIAGNOSES

DUPLICATE THE NOISE AND TEST DRIVE
If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or location of the noise. This information can be used to
duplicate the same conditions when you confirm the repair.
If the noise can be duplicated easily during the test drive, to help identify the source of the noise, try to dupli-
cate the noise with the vehicle stopped by doing one or all of the following:
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle "twist".
5) At idle, apply engine load (electrical load, half-clutch on M/T model, drive position on A/T model).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.
q Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.
q If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the
vehicle body.
CHECK RELATED SERVICE BULLETINS
After verifying the customer concern or symptom, check ASIST for Technical Service Bulletins (TSBs) related
to that concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.
LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE
1. Narrow down the noise to a general area.To help pinpoint the source of the noise, use a listening tool
(Chassis Ear: J-39570, Engine Ear: J-39565 and mechanic's stethoscope).
2. Narrow down the noise to a more specific area and identify the cause of the noise by:
q removing the components in the area that you suspect the noise is coming from.
Do not use too much force when removing clips and fasteners, otherwise clips and fasteners can be bro-
ken or lost during the repair, resulting in the creation of new noise.
q tapping or pushing/pulling the component that you suspect is causing the noise.
Do not tap or push/pull the component with excessive force, otherwise the noise will be eliminated only
temporarily.
q feeling for a vibration with your hand by touching the component(s) that you suspect is (are) causing the
noise.
q placing a piece of paper between components that you suspect are causing the noise.
q looking for loose components and contact marks.
Refer to BL-7, "Generic Squeak and Rattle Troubleshooting" .
REPAIR THE CAUSE
q If the cause is a loose component, tighten the component securely.
q If the cause is insufficient clearance between components:

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