1999 NISSAN PRIMERA light

2. If a filament is burned out, circuit tester registers 0 or 12 volts.
3. To locate burned out point, move probe to left and right along
filament. Test needle will swing abruptly when probe passes
the point.
Filament Repair
REPAIR EQUIPMENT
1. Conductive silver composition (Dupont No. 4817 or equiva-
lent)
2. Ruler 30 cm (11.8 in) long
3. Drawing pen
4. Heat gun
5. Alcohol
6. Cloth
REPAIRING PROCEDURE
1. Wipe broken heat wire and its surrounding area clean with a
cloth dampened in alcohol.
2. Apply a small amount of conductive silver composition to tip
of drawing pen.
Shake silver composition container before use.
3. Place ruler on glass along broken line. Deposit conductive
silver composition on break with drawing pen. Slightly over-
lap existing heat wire on both sides [preferably 5 mm (0.20
in)] of the break.
SEL265 Burned out point
12 volts
Burned out point
0 volts
SEL266
BE540 Heat wire
5 (0.20)
5 (0.20)Break
Ruler
Drawing penUnit: mm (in)
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER
Filament Check (Cont’d)
EL-214

Schematic
YEL184C
IGNITION SWITCH
ACC or ONBATTERY
FUSE
FUSEFUSE COMBINATION
SWITCH (LIGHT-
ING SWITCH): RHD models
: With steering wheel switch
: With daytime light system
: Without daytime light system
: With CD auto changer
CD AUTO
CHANGER
AUDIO
TWEETER
LHFRONT
SPEAKER
RHTWEETER
RHREAR
SPEAKER
LHREAR
SPEAKER
RHDONGLE
CONTROL
UNIT
.DAYTIME
LIGHT
CONTROL
UNITDT
SOURCE
SWITCH
SPIRAL
CABLE
FRONT
SPEAKER
LHCOMBINATION
METER
(SPEEDOMETER)
ROOF
ANTENNA
AUDIO STEERING
WHEEL SWITCH SEEK
UP
SWITCH
VOLUME
SWITCH
SEEK
DOWN
SWITCH
SPECIAL
SWITCH
NATS
IMMU
AUDIO
EL-218

YEL186C
BATTERY
OFF
1ST2NDCOMBINATION
SWITCH
(LIGHTING SWITCH)
FUSE BLOCK
(J/B): LHD models
: RHD models
: With daytime light system
: Without daytime light system
DAYTIME
LIGHT CONTROL
UNIT
FRONT
SPEAKER LHTWEETER
LH
REFER TO THE FOLLOWING
FUSE BLOCK - Junction Box (J/B)
FUSE BLOCK - Junction Box (J/B)AUDIO
FRONT
SPEAKER LH
AUDIO
Wiring Diagram—AUDIO—(Cont’d)
EL-220

System Description
The TCU has the following functions.
INTERIOR LAMP TIMER
The interior lamp timer is controlled by the TCU.
For further information, refer to“INTERIOR, SPOT, VANITY MIRROR AND LUGGAGE ROOM LAMPS”
(EL-130).
IGNITION KEY WARNING CHIME AND LIGHT WARNING CHIME
The ignition key and light warning chime are controlled by the TCU.
For further information, refer to“WARNING CHIME”(EL-180).
REAR WINDOW DEFOGGER TIMER
Ther rear window defogger and door mirror defogger system are controlled by the TCU.
For further information, refer to“REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER”
(EL-207).
POWER DOOR LOCK (Super Lock)
The power door lock (super lock) is controlled by the TCU.
For further information, refer to“POWER DOOR LOCK—Super Lock”(EL-265).
MULTI-REMOTE CONTROL SYSTEM
The multi-remote control system is controlled by the TCU.
For further information, refer to“MULTI-REMOTE CONTROL SYSTEM”(EL-296).
THEFT WARNING SYSTEM
The theft warning system is controlled by the TCU.
For further information, refer to“THEFT WARNING SYSTEM”(EL-311).
TIME CONTROL UNIT (TCU)
EL-306

FUNCTION

The TCU has the following control functions.
Item Details of control
Direction indicatorsSwitches the director indicators (Left, Right or All) when the combination switch or
hazard switch is operated.
Trailer direction indicator buzzer Sounds a buzzer during direction indicator operation when towing a trailer.
Light warning buzzerSounds warning buzzer when driver’s door is opened with light switch in the 1st or
2nd position and ignition switch“OFF”.
Ignition key warning buzzerSounds warning buzzer when driver’s door is opened with key in ignition and the
driver door lock knob is moved from the“unlock”position to the“lock”position.
Rear window defogger timerTurn off rear window defogger and door mirror heater, if equipped, about 15 minutes
after the rear window defogger switch is turned“ON”.
Battery saverShuts off interior lamp in 30 minutes if any door is left open when ignition switch is
“OFF”. The battery saver will reset if ignition switch is cycled or any door is opened
or closed.
Interior lamp timerKeep interior lamp illuminated for about 30 seconds when:

driver’s door is unlocked,

the ignition is switched off,

driver’s door is opened and then closed.
The timer is cancelled, and interior lamp turns off when:

driver’s door is locked, or

ignition switch is turned“ON”.
Theft warning
systemNormal operationMonitors doors, hood, boot lid, door locks, volumetric sensors (if not excluded), igni-
tion and glass break sensors (wagon) when armed.
Flashes the direction indicators and sounds the horn for 30 seconds in case one of
the monitored sensors is triggered.
Diagnostic mode Indicates the last three alarm triggers by flashing the direction indicators.
Central door lock Centrally locks and unlocks the vehicle
Super lock Activates and de-activates the super lock system.
TIME CONTROL UNIT (TCU)
System Description (Cont’d)
EL-307

REAR WINDOW DEFOGGER TIMER
The rear window defogger and door mirror defogger system are controlled by the TCU. With the ignition
switch in the ON or START position, power is supplied

to the rear window defogger relay

to TCU terminal
1

through 10A fuses [No.5, located in the fuse block (J/B)].
Ground is supplied to terminal

14of the rear window defogger switch through body groundsM6,M26and
M28.
When the rear window defogger switch is ON, ground is supplied

through terminal
16of the rear window defogger switch

to TCU terminal
3.
Terminal

13of the TCU then supplies ground to the rear window defogger relay.
With power and ground supplied, the rear window defogger relay is energized to operate rear window
defogger and door mirror defogger for about 15 minutes.
For further information, refer to REAR WINDOW DEFOGGER DOOR and MIRROR DEFOGGER (EL-207).
IGNITION KEY WARNING BUZZER
Ground is supplied to TCU terminal
6through front driver’s side door switch when switch is in OPEN
position from body ground.
With the key in the ignition switch in the ACC or OFF position, and locking the driver’s door from the inside,
the warning buzzer will sound.
LIGHT WARNING BUZZER
Power is supplied at all times

through 30A fusible link (letterg, located in the fuse and fusible link box) (LHD models)

through 15A fuse (No.66, located in the fuse and fusible link box) (RHD models)

to lighting switch terminal
11.
Power is supplied at all times

through 7.5A fuse [No.40, located in the fuse block (J/B)]

to warning buzzer terminal
1.
With the ignition switch in the ON or START position, power is supplied

through 7.5A fuse [No.12, located in the fuse block (J/B)]

to BCM terminal
29.
Ground is supplied to TCU terminal

6through front driver’s side door switch when switch is in OPEN
position from body ground.
With the ignition switch in the ACC or OFF position, the driver’s door OPEN, and the lighting switch in the
1st or 2nd position, the warning buzzer will sound.
INTERIOR LAMP TIMER
Power is supplied at all times

through 10A fuse [No.5, located in the fuse block (J/B)]

to interior lamp terminal
1
With the ignition switch in the ON or START position, power is supplied

through 10A fuse [No.26, located in the fuse block (J/B)]

to TCU terminal
1.
When the driver’s door is unlocked, a door is opened and then closed, or the ignition is turned from“ON”
to“Acc”or“LOCK”, ground is supplied to the interior lamp terminal

2for approximately 30 seconds.
The 30 seconds timer will be cancelled if the ignition switch is turned to“ON”, or the driver’s door is locked.
TIME CONTROL UNIT (TCU)
System Description (Cont’d)
EL-308

Checks
Once in Diagnostic Mode (and after identifying the last three alarm triggers in case a theft warning system
is equipped on the vehicle), the following inputs can be tested.
USER ACTION TCU Reaction COMPONENT TESTED
Driver’s door opened from closed
(all other doors closed)Hazards flash once Driver’s door open signal
Passenger or rear door opened from closed
(all other doors closed)Hazards flash once Door open signal for opened door
Driver’s door locked from unlocked Hazards flash once Driver’s door status signal
Passenger door locked from unlocked Hazards flash once Assist door status signal
Rear doors locked from unlocked (with ultra-
sonic model)Hazards flash once Rear doors status signal
Ultrasonics cancel switch is pressed (with ultra-
sonic model)Hazards flash once U/S cancel signal
Trunk or back door is opened from closed Hazards flash once Trunk open signal
Hood is opened from closed (with ultrasonic
model)Hazards flash once Hood open signal
Hazard switch is pressed from off Hazards flash once Hazard switch signal
Turn signal switch is moved to left from off Hazards flash once Left turn signal
Turn signal switch is moved to right from off Hazards flash once Right turn signal
Key turned to lock position in door Hazards flash once * Key cylinder lock switch signal
Lighting switch turned 1st position or 2nd posi-
tion from offHazards flash once Tail lamp signal
Key put in ignition from out Hazards flash once Key in detect signal
Central unlock/Trunk release switch is pressed Hazards flash once Central unlock/Trunk release signal
External trunk release switch pressed from off Hazards flash once External trunk release switch signal
*) Hazards may flash a second time because of Driver’s door status signal change. The min. delay time between flash actions is
100ms.
In case the system does not operate as described above, check the concerned circuit for open or short.
After completion, the Diagnostic Mode can be switched off by pressing the rear defogger switch or by turn-
ing the ignition to“ON”. The hazard lamp will flash at 3Hz for 3 seconds to confirm that Diagnostic Mode
has been switched off.
TIME CONTROL UNIT (TCU)
Trouble Diagnosis (Cont’d)
EL-310

Components Parts and Harness Connector
Location
NEL529 Door unlock sensor RH
Ultrasonic sub sensor
Door unlock sensor
Front door switch RH
Security indicator light
Hood switchRear door switch RH
Ultra sonic sensor
Theft warning horn
Rear door switch
Door unlock sensor LH
Door key cylinder
switch
Door unlock sensor
Front door switch LH
Ultrasonic
cancel switch
Time control unit
Theft warning horn relay
.
Door key cylinder switch
Door unlock sensor
Ultrasonic
sub sensorUltrasonic sensor
Ultrasonic cancel switch
.Trunk room/luggage
room lamp switchTime control unit
Hood switch
Theft
warning
horn
Trunk room/Luggange room lamp switch
THEFT WARNING SYSTEM
EL-311