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K ELECTRICAL

B
SECTION
LIGHTING SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 3 . BACK-UP LAMP ...................................................... 22 . F
Precautions for Supplemental Restraint System Wiring Diagram -- BACK/L -- ............................... 22 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- QG18DE ............................................................. 22
.
SIONER" ................................................................. 3
. QR25DE ............................................................. 23
. G
Wiring Diagrams and Trouble Diagnosis ................. 3 . FRONT FOG LAMP ................................................. 24 .
COMBINATION SWITCH ........................................... 4 . System Description ................................................ 24 .
Check ...................................................................... 4
. FOG LAMP OPERATION ................................... 24 .
H
Replacement ........................................................... 5
. Wiring Diagram -- F/FOG -- ................................. 25 .
HEADLAMP (FOR USA) ........................................... 6 . Aiming Adjustment ................................................. 26 .
System Description ................................................. 6 . TURN SIGNAL AND HAZARD WARNING LAMPS... 27
LOW BEAM OPERATION .................................... 6 . System Description ................................................ 27 . I
HIGH BEAM OPERATION/FLASH-TO-PASS TURN SIGNAL OPERATION ............................. 27 .
OPERATION ........................................................ 6 . HAZARD LAMP OPERATION ............................ 27 .
VEHICLE SECURITY SYSTEM ........................... 6 . REMOTE KEYLESS ENTRY SYSTEM OPERA- J
Wiring Diagram -- H/LAMP -- ................................ 7 . TION ................................................................... 28
.
Trouble Diagnoses .................................................. 8 . Wiring Diagram -- TURN -- .................................. 30 .
Bulb Replacement ................................................... 8 . Trouble Diagnoses ................................................ 32 . LT
Aiming Adjustment .................................................. 8 . Electrical Components Inspection ......................... 32 .
LOW BEAM .......................................................... 9. COMBINATION FLASHER UNIT CHECK .......... 32 .
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT ILLUMINATION ........................................................ 33 .
SYSTEM -- .............................................................. 10
. System Description ................................................ 33 . L
Component Parts and Harness Connector Location 10 ... Wiring Diagram -- ILL -- ....................................... 34 .
System Description ............................................... 10 . INTERIOR, MAP, VANITY AND TRUNK ROOM
HEADLAMP OPERATION ................................. 10 . LAMPS ..................................................................... 36
. M
DAYTIME LIGHT OPERATION ...........................11 . System Description ................................................ 36 .
OPERATION (FOR CANADA) ........................... 12 . WITHOUT POWER DOOR LOCKS ................... 36 .
VEHICLE SECURITY SYSTEM ......................... 12 . WITH POWER DOOR LOCKS ........................... 36 .
Schematic ............................................................. 13
. Wiring Diagram -- INT/L -- ................................... 38 .
Wiring Diagram -- DTRL -- .................................. 14 . WITHOUT POWER DOOR LOCKS ................... 38 .
Trouble Diagnoses ................................................ 17 . WITH POWER DOOR LOCKS ........................... 39 .
DAYTIME LIGHT CONTROL UNIT INSPECTION CONSULT-II Function (SMART ENTRANCE) ....... 41 .
TABLE ................................................................ 17
. "INT LAMP"/"BATTERY SAVER" ........................ 41 .
Bulb Replacement ................................................. 18 . CONSULT-II Application Items (With Power Door
Aiming Adjustment ................................................ 18 . Locks) .................................................................... 42
.
PARKING, LICENSE AND TAIL LAMPS ................. 19 . "INT LAMP" ........................................................ 42.
Wiring Diagram -- TAIL/L -- ................................. 19 . "BATTERY SAVER" ............................................ 43 .
STOP LAMP ............................................................ 21
. Trouble Diagnoses for Interior Lamp Timer (With
Wiring Diagram -- STOP/L -- ............................... 21 . Power Door Locks) ................................................ 44 .
DIAGNOSTIC PROCEDURE 1 (SYMPTOM:
INTERIOR LAMP TIMER DOES NOT OPERATE

Revision: July 2005 LT-1 2005 Sentra
PROPERLY) ....................................................... 44
. BULB SPECIFICATIONS .........................................49 .
Bulb Specifications .................................................49
.
HEADLAMP ........................................................49
.
EXTERIOR LAMP ...............................................49 .
INTERIOR LAMP ................................................49 .

Revision: July 2005 LT-2 2005 Sentra
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EKS006AD

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 harnesses or
harness connectors. F
Wiring Diagrams and Trouble Diagnosis EKS00385

When you read wiring diagrams, refer to the following: G
q GI-15, "How to Read Wiring Diagrams"
q PG-3, "POWER SUPPLY ROUTING" for power distribution circuit
When you perform trouble diagnosis, refer to the following: H
q GI-11, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"
q GI-27, "How to Perform Efficient Diagnosis for an Electrical Incident"
Check for any Service bulletins before servicing the vehicle. I

Revision: July 2005 LT-3 2005 Sentra
COMBINATION SWITCH

COMBINATION SWITCH PFP:25567

Check EKS00386

LEL576

Revision: July 2005 LT-4 2005 Sentra
COMBINATION SWITCH

Replacement EKS00387

A
For removal and installation of spiral cable, refer to SRS-43,
"Removal and Installation" .
q Each switch can be replaced without removing switch base.
B

D
CEL501

q To remove switch base, remove switch base attaching screws. E

CEL406
H

q Before installing the steering wheel, align the steering wheel
guide pins with the screws which secure the combination switch I
as shown in the figure.

SEL151V

Revision: July 2005 LT-5 2005 Sentra
HEADLAMP (FOR USA)

HEADLAMP (FOR USA) PFP:26010

System Description EKS0069V

The headlamps are controlled by the lighting switch which is built into the combination switch.
Power is supplied at all times
q to lighting switch terminal 5
q through 15A fuse (No. 39, located in the fuse and fusible link box), and
q to lighting switch terminal 8
q through 15A fuse (No. 40, located in the fuse and fusible link box).
LOW BEAM OPERATION
When the lighting switch is turned to headlamp "ON" (2ND) position, "LOW BEAM" (B), power is supplied
q from lighting switch terminal 10
q to terminal LO of the LH headlamp, and
q from lighting switch terminal 7
q to terminal LO of the RH headlamp.
Ground is supplied
q to RH and LH headlamp terminal E
q through body grounds E7 and E37.
With power and ground supplied, the headlamps will illuminate.
HIGH BEAM OPERATION/FLASH-TO-PASS OPERATION
When the lighting switch is turned to headlamp "ON" (2ND) position, "HIGH BEAM" (A) or "FLASH TO PASS"
(C) position, power is supplied
q from lighting switch terminal 9
q to terminal HI of the LH headlamp, and
q from lighting switch terminal 6
q to terminal HI of the RH headlamp, and
q to combination meter terminal 2 (with tachometer), 12 (without tachometer) for the high beam indicator.
Ground is supplied
q to combination meter terminal 3 (with tachometer), 14 (without tachometer)
q through body grounds M28 and M54.
With power and ground supplied, the high beams and the high beam indicator illuminate.
VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-65, "VEHICLE
SECURITY (THEFT WARNING) SYSTEM" .

Revision: July 2005 LT-6 2005 Sentra
HEADLAMP (FOR USA)

Wiring Diagram -- H/LAMP -- EKS0069W

WKWA0634E

Revision: July 2005 LT-7 2005 Sentra
HEADLAMP (FOR USA)

Trouble Diagnoses EKS0069X

Symptom Possible cause Repair order
LH headlamp does not operate. 1. Bulb 1. Check bulb.
2. Grounds E7 and E37 2. Check grounds E7 and E37.
3. 15A fuse 3. Check 15A fuse (No. 40, located in fuse and fusible link
4. Lighting switch box.) Verify battery positive voltage is present at termi-
nal 8 of lighting switch.
4. Check lighting switch.
RH headlamp does not operate. 1. Bulb 1. Check bulb.
2. Grounds E7 and E37 2. Check grounds E7 and E37.
3. 15A fuse 3. Check 15A fuse (No. 39, located in fuse and fusible link
4. Lighting switch box). Verify battery positive voltage is present at termi-
nal 5 of lighting switch.
4. Check lighting switch.
LH high beam does not operate, but 1. Bulb 1. Check bulb.
LH low beam operates. 2. Open in LH high beam circuit 2. Check R/B wire between lighting switch and LH head-
3. Lighting switch lamp for an open circuit.
3. Check lighting switch.
LH low beam does not operate, but 1. Bulb 1. Check bulb.
LH high beam operates. 2. Open in LH low beam circuit 2. Check R/Y wire between lighting switch and LH head-
3. Lighting switch lamp for an open circuit.
3. Check lighting switch.
RH high beam does not operate, 1. Bulb 1. Check bulb.
but RH low beam operates. 2. Open in RH high beam circuit 2. Check Y wire between lighting switch and RH head-
3. Lighting switch lamp for an open circuit.
3. Check lighting switch.
RH low beam does not operate, but 1. Bulb 1. Check bulb.
RH high beam operates. 2. Open in RH low beam circuit 2. Check PU wire between lighting switch and RH head-
3. Lighting switch lamp for an open circuit.
3. Check lighting switch.
High beam indicator does not work. 1. Bulb 1. Check bulb in combination meter.
2. Grounds M28 and M54 2. Check grounds M28 and M54.
3. Open in high beam circuit 3. Check R/B wire between lighting switch and combina-
tion meter for an open circuit.

Bulb Replacement EKS006AN

The headlamp is a semi-sealed beam type which uses a replaceable
halogen bulb. The bulb can be replaced from the engine compart-
ment side without removing the headlamp body.
q Grasp only the plastic base when handling the bulb. Never
touch the glass envelope.
1. Disconnect the negative battery cable.
2. Disconnect the harness connector from the back side of the
headlamp bulb.
3. Turn the bulb counterclockwise and pull the bulb straight out of
the headlamp assembly. WKIA1133E
Installation is in the reverse order of removal.
CAUTION:
Do not leave headlamp reflector without bulb for a long period of time. Dust, moisture, smoke, etc.
entering headlamp body may affect the performance of the headlamp. Remove headlamp bulb from
the headlamp reflector just before a replacement bulb is installed.
Aiming Adjustment EKS006AO

For details, refer to the regulations in your own country.

Revision: July 2005 LT-8 2005 Sentra
HEADLAMP (FOR USA)

NOTE:
By regulation, no means for horizontal adjustment is provided from the factory on a finished vehicle. A
Horizontal aim will only be serviced in the case of headlamp replacement. After initial aim is set on the
replacement headlamp, access to the horizontal adjusting screw must be prevented by installation of
the headlamp aim locking cap that is provided with the replacement headlamp assembly.
B
Before performing aiming adjustment, check the following.
1. Inflate all tires to correct pressures.
2. Place vehicle on flat surface.
C
3. See that the vehicle is unloaded (except for full levels of coolant, engine oil and fuel, and spare tire, jack,
and tools). Have the driver or equivalent weight placed in the driver's seat.
LOW BEAM D
1. Turn headlamp low beam on.
2. Use adjusting screw to perform aiming adjustment.
CAUTION: E
Do not tighten adjusting screw beyond a torque of 1.67 N-m (17
kg-cm, 14.8 in-lb) or damage may occur.
F

G
WEL569A

WKIA1134E

If the vehicle front body has been repaired and/or the headlamp assembly has been replaced, check aiming.
Use the aiming chart shown in the figure.
q Basic illuminating area for adjustment should be within the range shown on the aiming chart.
Adjust headlamps accordingly.

Revision: July 2005 LT-9 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM -- PFP:26010

Component Parts and Harness Connector Location EKS006A0

LEL556

System Description EKS006A1

The headlamp system for Canada vehicles contains a daytime light control unit. This unit activates the high
beam headlamps at approximately half illumination whenever the engine is running. If the parking brake is
applied before the engine is started, daytime lights will not be illuminated. The daytime lights will illuminate
once the parking brake is released. Thereafter, the daytime lights will continue to operate when the parking
brake is applied. If the daytime light control unit receives a ground signal from the generator, the daytime lights
will not be illuminated. The daytime lights will illuminate once a battery positive voltage signal is sent to the
daytime light control unit from the generator.
Power is supplied at all times
q through 15A fuse (No. 39, located in the fuse and fusible link box)
q to daytime light control unit terminal 2 and
q to lighting switch terminal 5
q through 15A fuse (No. 40, located in the fuse and fusible link box)
q to daytime light control unit terminal 3 and
q to lighting switch terminal 8.
With the ignition switch in the ON or START position, power is supplied
q through 10A fuse (No. 10, located in the fuse block [J/B])
q to daytime light control unit terminal 12.
With the ignition switch in the START position, power is supplied
q through 10A fuse (No. 21, located in the fuse block [J/B])
q to daytime light control unit terminal 1.
Ground is supplied
q to daytime light control unit terminal 9
q through body grounds E7 and E37.
HEADLAMP OPERATION
Low Beam Operation
When the lighting switch is turned to headlamp "ON" (2ND) position, "LOW BEAM" (B) position, power is sup-
plied
q from lighting switch terminal 7
q to RH headlamp terminal LO.
Ground is supplied
q to RH headlamp terminal E
q through body grounds E7 and E37.
Also, when the lighting switch is moved to headlamp "ON" (2ND) position, "LOW BEAM" (B) position, power is
supplied
q from lighting switch terminal 10
q to LH headlamp terminal LO.
Ground is supplied

Revision: July 2005 LT-10 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

q to LH headlamp terminal E
q from daytime light control unit terminal 7 A
q through daytime light control unit terminal 9
q through body grounds E7 and E37.
B
With power and ground supplied, the low beam headlamps illuminate.
High Beam Operation/Flash-to-pass Operation
When the lighting switch is moved to headlamp "ON" (2ND) position, "HIGH BEAM" (A) or "FLASH TO PASS" C
(C) position, power is supplied
q from lighting switch terminal 6
q to RH headlamp terminal HI, and D
q from lighting switch terminal 9
q to daytime light control unit terminal 5, and
q to combination meter terminal 2 (with tachometer), 12 (without tachometer) for the high beam indicator E
q through daytime light control unit terminal 6
q to LH headlamp terminal HI.
F
Ground is supplied in the same manner as low beam operation.
For the combination meter, ground is supplied
q to terminal 3 (with tachometer), 14 (without tachometer)
G
q through body grounds M28 and M54.
With power and ground supplied, the high beam headlamps and high beam indicator illuminate.
DAYTIME LIGHT OPERATION H
With the engine running and the lighting switch in the "OFF" or parking lamp (1ST) position and parking brake
released, power is supplied
q to daytime light control unit terminal 3 I
q through daytime light control unit terminal 6
q to LH headlamp terminal HI
J
q through LH headlamp terminal E
q to daytime light control unit terminal 7
q through daytime light control unit terminal 8 LT
q to RH headlamp terminal HI.
Ground is supplied
q to RH headlamp terminal E L
q through body grounds E7 and E37.
Because the high beam headlamps are wired in series during daytime light operation, they operate at half illu-
mination. M

Revision: July 2005 LT-11 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

OPERATION (FOR CANADA)
The headlamps' high beams automatically turn on after starting the engine with the lighting switch in the "OFF"
or parking lamp (1st) position. All other lighting switch functions operate the same as conventional light sys-
tems.
Engine With engine stopped With engine running
OFF 1ST 2ND OFF 1ST 2ND
Lighting switch
A B C A B C A B C A B C A B C A B C
High beam X X O X X O O X O * * O * * O O X O
Headlamp
Low beam X X X X X X X O X X X X X X X X O X
Front parking and tail lamp X X X O O O O O O X X X O O O O O O
License and instrument illumina-
X X X O O O O O O X X X O O O O O O
tion lamp

q A: "HIGH BEAM" position
q B: "LOW BEAM" position
q C: "FLASH TO PASS" position
q O: Lamp ON
q X: Lamp OFF
q : Lamp on at half brightness
q *: When starting the engine with the parking brake released, the daytime light will come ON.
When starting the engine with the parking brake applied, the daytime light will not come ON. Once the parking brake is released, the
daytime light will come ON. Thereafter, the daytime light will continue to operate when the parking brake is applied. If the daytime light
control unit receives a ground signal from the generator, the daytime light will not come ON. The daytime light will come ON when
battery voltage is sent to the daytime light control unit from the generator (engine is running).

VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-65, "VEHICLE
SECURITY (THEFT WARNING) SYSTEM" .

Revision: July 2005 LT-12 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

Schematic EKS006A2

WKWA0526E

Revision: July 2005 LT-13 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

Wiring Diagram -- DTRL -- EKS006A3

WKWA1628E

Revision: July 2005 LT-14 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

LEL592
D

WKWA0076E

Revision: July 2005 LT-15 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

LEL593

WKWA0528E

Revision: July 2005 LT-16 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

LEL594
D
Trouble Diagnoses EKS006A4

DAYTIME LIGHT CONTROL UNIT INSPECTION TABLE
Terminal Wire Voltage E
Item Condition
No. color (Approx. values)
1 B/Y Start signal When turning ignition switch to ST Battery voltage
F
When turning ignition switch to ON from ST Less than 1V

G
When turning ignition switch to OFF Less than 1V

H
2 R Power source When turning ignition switch to ON Battery voltage

I
When turning ignition switch to OFF Battery voltage

3 R/W Power source When turning ignition switch to ON Battery voltage J

When turning ignition switch to OFF Battery voltage
LT

4 PU Lighting switch When turning lighting switch to headlamp ON (2ND) posi- Battery voltage
(Low beam) tion, LOW BEAM L
5 R/B Lighting switch When turning lighting switch to HIGH (A) Battery voltage
(High beam)
When turning lighting switch to FLASH TO PASS Battery voltage
M
6 R/L LH high beam When turning lighting switch to HIGH (A) Battery voltage
When releasing parking brake with engine running and turn- Battery voltage
ing lighting switch to OFF (daytime light operation)
CAUTION:
Block wheels and ensure selector lever is in N or P
position.

7 R/G LH headlamp When lighting switch is turned to headlamp ON (2ND) posi- 1V or less
control (ground) tion, LOW BEAM
When releasing parking brake with engine running and turn- Half battery voltage
ing lighting switch OFF (daytime light operation)
CAUTION:
Block wheels and ensure selector lever is in N or P
position.

Revision: July 2005 LT-17 2005 Sentra
HEADLAMP (FOR CANADA) -- DAYTIME LIGHT SYSTEM --

Terminal Wire Voltage
Item Condition
No. color (Approx. values)
8 Y RH high beam When turning lighting switch to HIGH (A) Battery positive volt-
age
When releasing parking brake with engine running and turn- Half battery voltage
ing lighting switch OFF (daytime light operation)
CAUTION:
Block wheels and ensure selector level is in N or P
position.

9 B Ground -- --
10 LG Parking brake When parking brake is released Battery voltage
switch
When parking brake is applied 1.5V or less
11 Y/R Generator When turning ignition switch ON 4.6V or less

When engine is running Battery voltage

When turning ignition switch OFF 1V or less

12 G Power source When turning ignition switch ON Battery voltage

When turning ignition switch to ST Battery voltage

When turning ignition switch OFF 1V or less

Bulb Replacement EKS006A5

Refer to LT-8, "Bulb Replacement" .
Aiming Adjustment EKS006A6

Refer to LT-8, "Aiming Adjustment" .

Revision: July 2005 LT-18 2005 Sentra
PARKING, LICENSE AND TAIL LAMPS

PARKING, LICENSE AND TAIL LAMPS PFP:26550
A
Wiring Diagram -- TAIL/L -- EKS0038K

WKWA1629E

Revision: July 2005 LT-19 2005 Sentra
PARKING, LICENSE AND TAIL LAMPS

WKWA1630E

Revision: July 2005 LT-20 2005 Sentra
STOP LAMP

STOP LAMP PFP:26550
A
Wiring Diagram -- STOP/L -- EKS0038L

WKWA1631E

Revision: July 2005 LT-21 2005 Sentra
BACK-UP LAMP

BACK-UP LAMP PFP:26550

Wiring Diagram -- BACK/L -- EKS006A7

QG18DE

WKWA1632E

Revision: July 2005 LT-22 2005 Sentra
BACK-UP LAMP

QR25DE
A

WKWA1633E

Revision: July 2005 LT-23 2005 Sentra
FRONT FOG LAMP

FRONT FOG LAMP PFP:26150

System Description EKS006AF

Power is supplied at all times
q through 15A fuse (No. 43, located in the fuse and fusible link box)
q to front fog lamp relay terminal 5.
With the lighting switch in headlamp "ON" (2ND) position, "LOW BEAM" (B) position, power is supplied
q through 15A fuse (No. 39, located in the fuse and fusible link box)
q to lighting switch terminal 5
q through terminal 7 of the lighting switch
q to front fog lamp relay terminal 1.
FOG LAMP OPERATION
The front fog lamp switch is built into the combination switch. The lighting switch must be in headlamp "ON"
(2ND) position and "LOW BEAM" (B) position for fog lamp operation.
With the front fog lamp switch in the ON position ground is supplied
q to front fog lamp relay terminal 2
q through the front fog lamp switch
q to body grounds E7 and E37.
The front fog lamp relay is energized and power is supplied
q from front fog lamp relay terminal 3
q to terminal + of each front fog lamp.
Ground is supplied to terminal - of each front fog lamp through body grounds E7 and E37.
With power and ground supplied, the front fog lamps illuminate.

Revision: July 2005 LT-24 2005 Sentra
FRONT FOG LAMP

Wiring Diagram -- F/FOG -- EKS006AG

WKWA0024E

Revision: July 2005 LT-25 2005 Sentra
FRONT FOG LAMP

Aiming Adjustment EKS006AH

Before performing aiming adjustment, make sure of the following.
1. Inflate all tires to correct pressure.
2. Place vehicle on level ground.
3. See that vehicle is unloaded (except for full levels of coolant,
engine oil and fuel, and spare tire, jack, and tools). Have the
driver or equivalent weight placed in driver's seat.

WKIA1135E

Adjust aiming in the vertical direction by turning the adjusting screw.
1. Set the distance between the screen and the center of the fog
lamp lens as shown.

MEL327G

2. Turn front fog lamps ON.
3. Adjust front fog lamps so that the top edge of the high intensity
zone is 100 mm (3.94 in) below the height of the fog lamp cen-
ters as shown.
q When performing adjustment, if necessary, cover the head-
lamps and opposite fog lamp.

LEL636

Revision: July 2005 LT-26 2005 Sentra
TURN SIGNAL AND HAZARD WARNING LAMPS

TURN SIGNAL AND HAZARD WARNING LAMPS PFP:26120
A
System Description EKS0038Q

TURN SIGNAL OPERATION
With the hazard switch in the OFF position and the ignition switch in the ON or START position, power is sup- B
plied
q through 10A fuse [No. 26, located in the fuse block (J/B)]
q to hazard switch terminal 2 C
q through terminal 1 of the hazard switch
q to combination flasher unit terminal B
q through terminal L of the combination flasher unit D
q to turn signal switch terminal 1.
Ground is supplied
q to combination flasher unit terminal E E
q through body grounds M28 and M54.
LH Turn F
When the turn signal switch is moved to the LH position, power is supplied
q from turn signal switch terminal 3
q to front combination lamp LH terminal 3 G
q to combination meter terminal 35 (with tachometer) or 40 (without tachometer)
q to rear combination lamp LH terminal 2.
Ground is supplied H
q to the front combination lamp LH terminal 1
q through body grounds E7 and E37, and
I
q to the rear combination lamp LH terminal 4
q through body grounds B13 and B19, and
q to combination meter terminal 12 (with tachometer) or 39 (without tachometer) J
q through body grounds M28 and M54.
With power and ground supplied, the combination flasher unit controls the flashing of the LH turn signal lamps.
LT
RH Turn
When the turn signal switch is moved to the RH position, power is supplied
q from turn signal switch terminal 2 L
q to front combination lamp RH terminal 3
q to combination meter terminal 4 (with tachometer) or 41 (without tachometer)
q to rear combination lamp RH terminal 2. M
Ground is supplied
q to the front combination lamp RH terminal 1
q through body grounds E7 and E37, and
q to the rear combination lamp RH terminal 4
q through body grounds B13 and B19, and
q to combination meter terminal 12 (with tachometer) or 39 (without tachometer)
q through body grounds M28 and M54.
With power and ground supplied, the combination flasher unit controls the flashing of the RH turn signal
lamps.
HAZARD LAMP OPERATION
Power is supplied at all times
q through 15A fuse [No. 5, located in the fuse block (J/B)]
q to hazard switch terminal 3.
With the hazard switch in the ON position, power is supplied

Revision: July 2005 LT-27 2005 Sentra
TURN SIGNAL AND HAZARD WARNING LAMPS

q through terminal 1 of the hazard switch
q to combination flasher unit terminal B
q through terminal L of the combination flasher unit
q to hazard switch terminal 4.
Ground is supplied
q to combination flasher unit terminal E
q through body grounds M28 and M54.
Power is supplied
q through terminal 5 of the hazard switch
q to front combination lamp LH terminal 3
q to combination meter terminal 35 (with tachometer) or 40 (without tachometer)
q to rear combination lamp LH terminal 2.
Power is supplied
q through terminal 6 of the hazard switch
q to front combination lamp RH terminal 3
q to combination meter terminal 4 (with tachometer) or 41 (without tachometer)
q to rear combination lamp RH terminal 2.
Ground is supplied
q to each front combination lamp terminal 1
q through body grounds E7 and E37, and
q to each rear combination lamp terminal 4
q through body grounds B13 and B19, and
q to combination meter terminal 12 (with tachometer) or 39 (without tachometer)
q through body grounds M28 and M54.
With power and ground supplied, the combination flasher unit controls the flashing of the hazard warning
lamps.
REMOTE KEYLESS ENTRY SYSTEM OPERATION
Power is supplied at all times
q through 15A fuse [No. 5, located in the fuse block (J/B)]
q to remote keyless entry relay terminals 1, 6 and 3.
When the remote keyless entry system is triggered through the smart entrance control unit, ground is supplied
to remote keyless entry relay terminal 2.
Refer to BL-34, "REMOTE KEYLESS ENTRY SYSTEM" .
The remote keyless entry relay is energized.
Power is supplied
q through terminal 5 of the remote keyless entry relay
q to front combination lamp LH terminal 3
q to combination meter terminal 35 (with tachometer) or 40 (without tachometer)
q to rear combination lamp LH terminal 2.
Power is supplied
q through terminal 7 of the remote keyless entry relay
q to front combination lamp RH terminal 3
q to combination meter terminal 4 (with tachometer) or 41 (without tachometer)
q to rear combination lamp RH terminal 2.
Ground is supplied
q to each front combination lamp terminal 1
q through body grounds E7 and E37, and
q to each rear combination lamp terminal 4
q through body grounds B13 and B19, and

Revision: July 2005 LT-28 2005 Sentra
TURN SIGNAL AND HAZARD WARNING LAMPS

q to combination meter terminal 12 (with tachometer) or 39 (without tachometer)
q through body grounds M28 and M54. A
With power and ground supplied, the smart entrance control unit controls the flashing of the hazard warning
lamps.
B

Revision: July 2005 LT-29 2005 Sentra
TURN SIGNAL AND HAZARD WARNING LAMPS

Wiring Diagram -- TURN -- EKS0038R

WKWA1634E

Revision: July 2005 LT-30 2005 Sentra
TURN SIGNAL AND HAZARD WARNING LAMPS

WKWA1635E

Revision: July 2005 LT-31 2005 Sentra
TURN SIGNAL AND HAZARD WARNING LAMPS

Trouble Diagnoses EKS0038S

Symptom Possible cause Repair order
Turn signal and hazard warning 1. Hazard switch 1. Check hazard switch.
lamps do not operate. 2. Combination flasher unit 2. Refer to combination flasher unit check.
3. Open in combination flasher unit 3. Check wiring to combination flasher unit for open circuit.
circuit
Turn signal lamps do not operate 1. 10A fuse 1. Check 10A fuse [No. 26, located in fuse block (J/B)].
but hazard warning lamps operate. 2. Hazard switch Turn ignition switch ON and verify battery positive volt-
age is present at terminal 2 of hazard switch.
3. Turn signal switch
2. Check hazard switch.
4. Open in turn signal switch circuit
3. Check turn signal switch.
4. Check the wire between combination flasher unit termi-
nal L and turn signal switch terminal 1 for open circuit.
Hazard warning lamps do not oper- 1. 15A fuse 1. Check 15A fuse [No. 5, located in fuse block (J/B)]. Ver-
ate but turn signal lamps operate. 2. Hazard switch ify battery positive voltage is present at terminal 3 of
hazard switch.
3. Open in hazard switch circuit
2. Check hazard switch.
3. Check the wire between combination flasher unit termi-
nal L and hazard switch terminal 4 for open circuit.
Front turn signal lamp LH or RH 1. Bulb 1. Check bulb.
does not operate. 2. Grounds E7 and E3

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