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LIGHTING SYSTEM

K ELECTRICAL

SECTION
LIGHTING SYSTEM
LT B

E
CONTENTS
PRECAUTIONS ......................................................... 4
. Headlamp Relay-2 Circuit Inspection .................... 27 . F
Precautions for Supplemental Restraint System Headlamp (Low) Circuit Inspection ........................ 28 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Headlamp (High) Circuit Inspection ....................... 29 .
SIONER" ................................................................. 4
. High Beam Indicator Circuit Inspection ................. 31 . G
General Precautions for Service Operations ........... 4 . Lighting Switch Circuit Inspection .......................... 31 .
Wiring Diagrams and Trouble Diagnosis ................. 5 . Front Door Switch Circuit Inspection ..................... 33 .
HEADLAMP (FOR USA) ........................................... 6 . Headlamp Battery Saver Control Unit Circuit
H
Component Parts and Harness Connector Location 6 ..... Inspection .............................................................. 34
.
System Description ................................................. 6
. Lighting Switch (AUTO) System Inspection ........... 35 .
OUTLINE .............................................................. 6
. Optical Sensor System Inspection ......................... 36 .
BATTERY SAVER CONTROL ............................. 8 . Headlamp Relay System Inspection ...................... 38 . I
AUTO LIGHT OPERATION .................................. 8 . Tail Lamp Relay System Inspection ....................... 38 .
VEHICLE SECURITY SYSTEM ........................... 8 . Aiming Adjustment ................................................. 39.
XENON HEADLAMP ............................................ 9 . LOW BEAM AND HIGH BEAM .......................... 40 . J
Schematic ............................................................. 10
. Bulb Replacement ................................................. 41 .
Wiring Diagram -- H/LAMP -- ...............................11 . HEADLAMP (OUTER SIDE), FOR LOW BEAM 41 ...
Terminals and Reference Value for Headlamp Bat- HEADLAMP (INNER SIDE), FOR HIGH BEAM... 41
LT
tery Saver Control Unit .......................................... 17
. FRONT TURN SIGNAL AND PARKING (CLEAR-
Terminals and Reference Value for BCM .............. 18 . ANCE) LAMP ..................................................... 41 .
Work Flow ............................................................. 18
. Removal and Installation ....................................... 42 .
Preliminary Check ................................................. 19
. REMOVAL .......................................................... 42
. L
SETTING CHANGE FUNCTION FOR AUTO INSTALLATION .................................................. 42 .
LIGHT SYSTEM ................................................. 19 . Disassembly and Assembly ................................... 43 .
INSPECTION FOR POWER SUPPLY AND DISASSEMBLY .................................................. 43 . M
GROUND CIRCUIT ............................................ 19 . ASSEMBLY ........................................................ 43.
CONSULT-II Function for Auto Light System ........ 20 . HEADLAMP (FOR CANADA) - DAYTIME LIGHT
CONSULT-II BASIC OPERATION PROCEDURE SYSTEM - ................................................................. 44
.
... 21 Component Parts and Harness Connector Location 44 ...
WORK SUPPORT .............................................. 21 . System Description ................................................ 44.
DATA MONITOR ................................................ 22 . HEADLAMP OPERATION .................................. 45 .
ACTIVE TEST .................................................... 22
. BATTERY SAVER CONTROL ............................ 46 .
On Board Diagnosis .............................................. 22. AUTO LIGHT OPERATION ................................ 46 .
DIAGNOSIS ITEM .............................................. 22 . DAYTIME LIGHT OPERATION .......................... 46 .
SWITCH MONITOR ........................................... 23 . OPERATION ....................................................... 47.
Symptom Chart 1 .................................................. 24
. Schematic .............................................................. 48
.
HEADLAMP SYSTEM ........................................ 24 . Wiring Diagram -- DTRL -- .................................. 49 .
Symptom Chart 2 .................................................. 24
. Terminals and Reference Value for Headlamp Bat-
AUTO LIGHT SYSTEM ...................................... 24 . tery Saver Control Unit .......................................... 58 .
Power Supply and Ground Circuit Inspection ....... 25 . Terminals and Reference Value for BCM .............. 59 .
Headlamp Relay-1 Circuit Inspection .................... 26 . Terminals and Reference Value for Daytime Light

Revision: 2004 October LT-1 2004 M45
Control Unit ............................................................ 59
. REAR TURN SIGNAL LAMP ............................ 101 .
Symptom Chart ...................................................... 61. Removal and Installation ...................................... 101 .
Power Supply and Ground Circuit Inspection ........ 61 . FRONT TURN SIGNAL LAMP .......................... 101 .
Headlamp Relay-1 Circuit Inspection .................... 64 . SIDE TURN SIGNAL LAMP .............................. 101 .
Headlamp Relay-2 Circuit Inspection .................... 64 . REAR TURN SIGNAL LAMP ............................ 101 .
Headlamp (Low) Circuit Inspection ........................ 65 . LIGHTING AND TURN SIGNAL SWITCH ............. 102 .
Headlamp LH (High) Circuit Inspection ................. 66 . Removal and Installation ...................................... 102 .
Headlamp RH (High) Circuit Inspection ................. 68 . Switch Circuit Inspection ...................................... 102 .
High Beam Indicator Circuit Inspection ................. 69 . HAZARD SWITCH .................................................. 103 .
Lighting Switch Circuit Inspection .......................... 70 . Removal and Installation ...................................... 103 .
Front Door Switch Circuit Inspection ..................... 71 . STOP LAMP ........................................................... 104
.
Headlamp Battery Saver Control Unit Circuit Wiring Diagram -- STOP/L -- ............................. 104 .
Inspection .............................................................. 73
. Bulb Replacement ................................................ 105.
Daytime Light Control Unit Circuit Inspection ........ 73 . STOP LAMP ..................................................... 105.
Aiming Adjustment ................................................. 74 . HIGH-MOUNTED STOP LAMP ........................ 105 .
Bulb Replacement ................................................. 74 . Removal and Installation ...................................... 105 .
Removal and Installation ....................................... 74 . STOP LAMP ..................................................... 105.
Disassembly and Assembly ................................... 74 . HIGH-MOUNTED STOP LAMP ........................ 105 .
HEADLAMP AIMING CONTROL ............................. 75 . BACK-UP LAMP .................................................... 106 .
Wiring Diagram -- H/AIM -- .................................. 75 . Wiring Diagram -- BACK/L -- ............................. 106 .
Removal and Installation ....................................... 77 . Bulb Replacement ................................................ 107.
Switch Circuit Inspection ....................................... 77 . Removal and Installation ...................................... 107 .
FRONT FOG LAMP ................................................. 78 . PARKING, LICENSE PLATE AND TAIL LAMPS ... 108 .
Component Parts and Harness Connector Location 78 ... Component Parts and Harness Connector Location .108
System Description ................................................ 78 . System Description .............................................. 108.
OUTLINE ............................................................ 78
. LIGHTING OPERATION BY LIGHTING SWITCH .108
BATTERY SAVER CONTROL ............................ 79 . BATTERY SAVER CONTROL .......................... 108 .
Schematic .............................................................. 80
. Schematic ............................................................ 110
.
Wiring Diagram -- F/FOG -- ................................. 81 . Wiring Diagram -- TAIL/L -- ................................ 111 .
Terminals and Reference Value for Headlamp Bat- Terminals and Reference Value for Headlamp Bat-
tery Saver Control Unit .......................................... 84 . tery Saver Control Unit ......................................... 116.
Terminals and Reference Value for BCM ............... 84 . Terminals and Reference Value for BCM ............. 116 .
Front Fog Lamps Do Not Illuminate (Both Sides) ... 85 CONSULT-II Function .......................................... 116 .
Front Fog Lamp Does Not Illuminate (One Side) ... 86 No Lamps Operate (Including Headlamps) .......... 117 .
Aiming Adjustment ................................................. 87 . No Parking, Side Marker, License and Tail Lamps
Bulb Replacement, Removal and Installation ........ 88 . Operate Properly .................................................. 118
.
TURN SIGNAL AND HAZARD WARNING LAMPS... 89 Battery Saver Control Does Not Operate Properly.121
Component Parts and Harness Connector Location 89 ... Bulb Replacement ................................................ 125.
System Description ................................................ 89 . LICENSE PLATE LAMP .................................... 125 .
TURN SIGNAL LAMP OPERATION ................... 89 . FRONT PARKING LAMP .................................. 125 .
HAZARD LAMP OPERATION ............................ 90 . FRONT SIDE MARKER LAMP ......................... 125 .
MULTI-REMOTE CONTROL SYSTEM OPERA- REAR COMBINATION LAMP ........................... 125 .
TION ................................................................... 90
. REAR SIDE MARKER LAMP ........................... 125 .
LOW TIRE PRESSURE WARNING CONTROL Removal and Installation ...................................... 126 .
SYSTEM ............................................................. 91
. LICENSE PLATE LAMP .................................... 126 .
Schematic .............................................................. 92
. FRONT PARKING LAMP .................................. 126 .
Wiring Diagram -- TURN -- .................................. 93 . FRONT SIDE MARKER LAMP ......................... 126 .
Turn Signal Lamps Do Not Operate ...................... 97 . REAR COMBINATION LAMP ........................... 127 .
Hazard Warning Lamps Do Not Operate ............... 97 . REAR SIDE MARKER LAMP ........................... 127 .
Front Turn Signal Lamp LH or RH Does Not Operate 99 ... INTERIOR ROOM LAMP ....................................... 128 .
Rear Turn Signal Lamp LH or RH Does Not Operate 99 ... System Description .............................................. 128.
LH and RH Turn Indicators Do Not Operate ........ 100 . OUTLINE .......................................................... 128
.
LH or RH Turn Indicator Does Not Operate ......... 100 . TIMER FUNCTION ........................................... 128 .
Electrical Components Inspection ....................... 101 . LAMP OUTPUT CONTROL FUNCTION .......... 129 .
COMBINATION FLASHER UNIT CHECK ........ 101 . AUTO OFF FUNCTION .................................... 129 .
Bulb Replacement ............................................... 101 . LIGHTS ON/OFF MODES ................................ 129 .
FRONT TURN SIGNAL LAMP ......................... 101 . Major Components and Their Functions .............. 131 .
Schematic ............................................................ 132
.
Wiring Diagram -- ROOM/L -- ............................ 133 .

Revision: 2004 October LT-2 2004 M45
Terminals and Reference Value for BCM ............ 139 . Rear LH, RH Door Control Unit ........................... 163 .
Terminals and Reference Value for Driver Door Con- Terminals and Reference Value for BCM ............ 163 . A
trol Unit (LCU) ..................................................... 140 . Work Flow ............................................................ 164
.
Work Flow ........................................................... 140 . Preliminary Check ............................................... 164.
Preliminary Check ............................................... 140 . INSPECTION FOR POWER SUPPLY AND B
SETTING CHANGE FUNCTION ...................... 140 . GROUND CIRCUIT .......................................... 164 .
INSPECTION FOR POWER AND GROUND CONSULT-II Function .......................................... 166 .
CIRCUIT ........................................................... 141. CONSULT-II BASIC OPERATION PROCEDURE
CONSULT-II Function ......................................... 142 . . 166 C
CONSULT-II BASIC OPERATION PROCEDURE DATA MONITOR .............................................. 167 .
. 142 ACTIVE TEST .................................................. 168 .
WORK SUPPORT ............................................ 143 . On Board Diagnosis ............................................ 168 . D
DATA MONITOR .............................................. 143 . DIAGNOSIS ITEM ............................................ 168 .
ACTIVE TEST .................................................. 144 . SWITCH MONITOR ......................................... 168 .
On Board Diagnosis ............................................ 144 . Step Lamp Does Not Illuminate/Does Not Go Off E
DIAGNOSIS ITEM ............................................ 144 . When Door Is Opened/Closed ............................. 169 .
SWITCH MONITOR ......................................... 145 . Bulb Replacement ............................................... 172 .
Symptom Chart ................................................... 146 . Removal and Installation ..................................... 172 .
Interior Lamp Illumination Switch System Inspec- ILLUMINATION ...................................................... 173. F
tion ...................................................................... 146
. System Description .............................................. 173.
Personal Lamp Switch System Inspection .......... 148 . LIGHTING OPERATION BY LIGHTING SWITCH 173 .
Door Switch System Inspection .......................... 149 . BATTERY SAVER CONTROL .......................... 173 . G
Key Switch System Inspection ............................ 151 . Schematic ............................................................ 174
.
Bulb Replacement ............................................... 152 . Wiring Diagram -- ILL -- ..................................... 175 .
MAP LAMP (FRONT PERSONAL LIGHT) AND Removal and Installation ..................................... 185 . H
CONSOLE LAMP (CONSOLE LIGHT) ............ 152 . ILLUMINATION CONTROL SWITCH ............... 185 .
PERSONAL LAMP (REAR PERSONAL LIGHT) 153 . GLOVE BOX LAMP .......................................... 185 .
Removal and Installation ..................................... 153 . Removal and Installation ..................................... 185 .
I
FRONT INTERIOR LAMP ................................ 153 . FRONT CIGARETTE LIGHTER ILLUMINATION 185 .
PERSONAL LAMP (REAR PERSONAL LIGHT) 153 . IGNITION KEY HOLE ILLUMINATION ............. 186 .
STEP LAMP ........................................................... 154 . VANITY MIRROR AND TRUNK ROOM LAMPS ... 187 .
Component Parts and Harness Connector Location 154 . Wiring Diagram -- INT/L -- ................................. 187 . J
System Description ............................................. 154 . Bulb Replacement ............................................... 188 .
POWER SUPPLY AND GROUND ................... 154 . VANITY MIRROR LAMP .................................. 188 .
OPERATING PROCEDURE ............................ 155 . TRUNK ROOM LAMP ...................................... 188 . LT
Schematic ........................................................... 156 . BULB SPECIFICATIONS ....................................... 189 .
Wiring Diagram -- STEP/L -- ............................. 157 . Headlamp ............................................................ 189
.
Terminals and Reference Value for Driver Door Con- Exterior Lamp ...................................................... 189
. L
trol Unit (LCU 01) ................................................ 163 . Interior Lamp/Illumination .................................... 189 .
Terminals and Reference Value for Passenger and

Revision: 2004 October LT-3 2004 M45
PRECAUTIONS

PRECAUTIONS PFP:00011

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AKS004D3

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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
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 harnesses or
harness connectors.
General Precautions for Service Operations AKS002EU

q Never work with wet hands.
q Xenon headlamp includes high voltage generating part. Be sure
to disconnect battery negative cable (negative terminal) or
power fuse before removing, installing, or touching the xenon
headlamp (including lamp bulb).
q Turn the lighting switch OFF before disconnecting and connect-
ing the connector.
q When turning the xenon headlamp on and while it is illuminated,
never touch the harness, bulb, and socket of the headlamp.
q When checking the headlamp on/off operation, check it on vehi- PKIA0183E
cle and with the power connected to the vehicle-side connector.
q Do not touch the headlamp bulb glass surface with bare hands or allow oil or grease to get on it. Do not
touch the headlamp bulb just after the headlamp is turned off, because it is very hot.
q Install the xenon headlamp bulb socket correctly. If it is installed
improperly, high-voltage leak or corona discharge may occur
that can melt the bulb, connector, and housing. Do not illuminate
the xenon headlamp bulb out of the headlamp housing. Doing
so can cause fire and harm your eyes.
q When the bulb has burned out, wrap it in a thick vinyl bag and
discard. Do not break the bulb.
q Leaving the bulb removed from the headlamp housing for long
period of time can deteriorate performance of the lens and
reflector (dirt, clouding). Always prepare a new bulb and have it
on hand when replacing the bulb. PKIA2246E

q When adjusting the headlamp aiming, turn the aiming adjusting
screw only in the tightening direction. (If it is necessary to turn the screw in loosening direction, first fully
loosen the screw, and then turn it in tightening direction.)
q Do not use organic solvent (paint thinner or gasoline) to clean lamps and to remove old sealant.

Revision: 2004 October LT-4 2004 M45
PRECAUTIONS

Wiring Diagrams and Trouble Diagnosis AKS002EV

A
When you read wiring diagrams, refer to the following:
q Refer to GI-14, "How to Read Wiring Diagrams" in GI section
q Refer to PG-2, "POWER SUPPLY ROUTING" for power distribution circuit in PG section B
When you perform trouble diagnosis, refer to the following:
q Refer to GI-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES"GI-10, "HOW TO FOL-
LOW TEST GROUPS IN TROUBLE DIAGNOSES" in GI section C
q Refer to GI-26, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section

Revision: 2004 October LT-5 2004 M45
HEADLAMP (FOR USA)

HEADLAMP (FOR USA) PFP:26010

Component Parts and Harness Connector Location AKS002EW

PKIA6062E

System Description AKS002EX

The headlamp operation is controlled by the lighting switch which is built into the spiral cable and headlamp
battery saver control unit. And the headlamp battery saver system is controlled by the headlamp battery saver
control unit and BCM.
OUTLINE
Power is supplied at all times
q to headlamp relay-1 terminal 2,
q to headlamp relay-1 terminal 3
q through 20A fuse [No. 57, located in fuse, fusible link and relay block (J/B)],
q to headlamp relay-1 terminal 7
q through 20A fuse [No. 55, located in fuse, fusible link and relay block (J/B)],
q to headlamp relay-2 terminals 1 and 3
q through 15A fuse [No. 73, located in fuse, fusible link and relay block (J/B)],
q to headlamp battery saver control unit terminal 7
q through 10A fuse [No. 6, located in fuse block (J/B) No. 1], and
q to BCM terminal 105
q through 10A fuse [No. 3, located in fuse block (J/B) No. 1].
When the ignition switch is in the ON or START position,
power is supplied
q to headlamp battery saver control unit terminal 1

Revision: 2004 October LT-6 2004 M45
HEADLAMP (FOR USA)

q to BCM terminal 68
q through 10A fuse [No. 1, located in fuse block (J/B) No. 1]. A
When the ignition switch is in the ACC or ON position,
power is supplied
q to BCM terminal 60 B
q through 10A fuse [No. 21, located in fuse block (J/B) No. 1].
Ground is supplied
C
q to headlamp battery saver control unit terminals 4 and 11
q through grounds M25 and M115, and
q to BCM terminals 56 and 113 D
q through grounds M24 and M114.
Power Supply to Low Beam and High Beam
When lighting switch is in 2ND or PASS position, E
ground is supplied
q to headlamp relay-1 terminal 1 and headlamp relay-2 terminal 2 from headlamp battery saver control unit
terminals 2 and 8 F
q through headlamp battery saver control unit terminals 3 and 9
q through lighting switch terminals 12 and 8
q through grounds M25 and M115. G
Headlamp relays are energized and then power is supplied to headlamps.
Low Beam Operation H
When lighting switch is turned to the 2ND position and placed in LOW position,
power is supplied
q from headlamp relay-1 terminals 5 and 6 I
q to headlamp LH and RH terminals 3.
Ground is supplied
q to headlamp LH and RH terminals 4 J
q through grounds E24 and E42.
With power and ground supplied, low beam headlamps illuminate.
LT
High Beam Operation/Flash-to-Pass Operation
When lighting switch is turned to the 2ND position and placed in HIGH position or PASS position,
power is supplied L
q from headlamp relay-2 terminal 5
q to headlamp LH and RH terminals 1
q to combination meter terminal 9 for the HIGH BEAM indicator. M
Ground is supplied
q to headlamp LH terminal 2
q to combination meter terminal 10 for the HIGH BEAM indicator
q through lighting switch terminals 9 and 8
q through grounds M25 and M115,
q to headlamp RH terminal 2
q through lighting switch terminals 6 and 5
q through grounds M25 and M115.
With power and ground supplied, the high beams headlamps and the HIGH BEAM indicator illuminate.
NOTE:
The lamp will be force to turn off when the driver door is opened with the ignition switch in OFF or
ACC position. (Except when lighting switch is "AUTO" position)

Revision: 2004 October LT-7 2004 M45
HEADLAMP (FOR USA)

BATTERY SAVER CONTROL
When the ignition switch is turned from ON (or START) to OFF (or ACC) positions while headlamps are illumi-
nated, the RAP signal is supplied to terminal 10 of the headlamp battery saver control unit from BCM terminal
135.
After counting 45 seconds by the RAP signal from the BCM to headlamp battery saver control unit, the ground
supply to both terminal 1 of headlamp relay-1 and terminal 2 of headlamp relay-2 from headlamp battery saver
control unit terminals 2 and 8 is terminated.
Then the headlamps are turned off.
The headlamps are turned off when front door (driver or passenger side) is opened even if 45 seconds have
not passed after ignition switch is turned from ON (or START) to OFF (or ACC) positions while headlamps are
illuminated.
When the lighting switch is turned from OFF to 2ND after headlamps are turned to OFF by the battery saver
control,
ground is supplied
q to headlamp battery saver control unit terminals 5 and 13 from lighting switch terminal 11
q to headlamp relay-1 terminal 1 and headlamp relay-2 terminal 2 from headlamp battery saver control unit
terminals 2 and 8
q through headlamp battery saver control unit terminals 3 and 9, and
q through lighting switch terminal 12.
Then headlamps illuminate again.
AUTO LIGHT OPERATION
The auto light control system has an optical sensor inside it that detects outside brightness.
When the lighting switch is in AUTO position, it automatically turns on/off the parking (clearance) lamps and
the headlamps in accordance with the ambient light. Sensitivity can be adjusted in four steps. For the details of
the setting, refer to LT-19, "SETTING CHANGE FUNCTION FOR AUTO LIGHT SYSTEM" .
When lighting switch is in "AUTO" position,
ground is supplied
q to BCM terminal 14
q from lighting switch terminal 42.
When ignition switch is turn to "ON" or "START" position and
Outside brightness is darker than prescribed level,
ground is supplied
q to headlamp relay-1 terminal 1
q to headlamp relay-2 terminal 2
q through headlamp battery saver control unit terminals 2 and 8
q through headlamp battery saver control unit terminals 4, 11, and
q to tail lamp relay terminal 1
q through headlamp battery saver control unit terminals 6 and 14
q through headlamp battery saver control unit terminals 4 and 11.
Then headlamp relay-1, 2 and tail lamp relay are energized, headlamps (low or high) and tail lamps are illumi-
nate according to switch position.
Shut Off Delay
When the lighting switch is in "AUTO" position and the ignition switch is turned from ON to OFF while the auto
light system is activated and the headlamps are illuminated, the shut off delay feature is activated for 45 sec-
onds. Headlamps lighting time can be adjusted from about 0 to 3 minutes. (This function is not applicable to
the tail lamps.)
Auto light shut off delay timer can be adjusted in seven steps. For the details of the setting, refer to LT-19,
"SETTING CHANGE FUNCTION FOR AUTO LIGHT SYSTEM" .
VEHICLE SECURITY SYSTEM
The vehicle security system will flash the high beams if the system is triggered. Refer to BL-126, "VEHICLE
SECURITY (THEFT WARNING) SYSTEM" .

Revision: 2004 October LT-8 2004 M45
HEADLAMP (FOR USA)

XENON HEADLAMP
Xenon type headlamp is adopted to the low beam headlamps. Xenon bulbs do not use a filament. Instead, A
they produce light when a high voltage current is passed between two tungsten electrodes through a mixture
of xenon (an inert gas) and certain other metal halides. In addition to added lighting power, electronic control
of the power supply gives the headlamps stable quality and tone color. B
Followings are some of the many advantages of the xenon type headlamp.
q The light produced by the headlamps is white color approximating to sunlight that is easy on the eyes.
q Light output is nearly double that of halogen headlamps, affording increased area of illumination. C
q The light features a high relative spectral distribution at wavelengths to the human eye is most sensitive,
which means that even in the rain, more light is reflected back from the road surface toward the vehicle,
for added visibility. D
q Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load.

Revision: 2004 October LT-9 2004 M45
HEADLAMP (FOR USA)

Schematic AKS002EY

TKWA0516E

Revision: 2004 October LT-10 2004 M45
HEADLAMP (FOR USA)

Wiring Diagram -- H/LAMP -- AKS002EZ

TKWA0517E

Revision: 2004 October LT-11 2004 M45
HEADLAMP (FOR USA)

TKWA0518E

Revision: 2004 October LT-12 2004 M45
HEADLAMP (FOR USA)

TKWA0519E

Revision: 2004 October LT-13 2004 M45
HEADLAMP (FOR USA)

TKWA0520E

Revision: 2004 October LT-14 2004 M45
HEADLAMP (FOR USA)

TKWA0521E

Revision: 2004 October LT-15 2004 M45
HEADLAMP (FOR USA)

TKWA0522E

Revision: 2004 October LT-16 2004 M45
HEADLAMP (FOR USA)

Terminals and Reference Value for Headlamp Battery Saver Control Unit AKS002F0

A
Terminal Wire
Item Operation or condition Reference value
No. color

Ignition switch ON or OFF or ACC Approx. 0V
1 W/B Ignition switch B
START ON or START Battery voltage
More than 45 seconds after ignition
OFF Battery voltage
switch is turned OFF or ACC C
Ignition switch or
(with lighting switch ACC Within 45 seconds after ignition
2 W/PU Headlamp relay out 1 Approx. 0V
except OFF or 1ST) switch is turned OFF or ACC
ON or START Approx. 0V D
Headlamps illuminate by auto light control. Approx. 0V
1ST 2.4V
Lighting switch E
3 R/B Headlamp switch 1 PASS or 2ND Approx. 0V
Headlamps illuminate by auto light control. Approx. 0V
4 B Ground -- Approx. 0V
F
OFF Battery voltage
5 L Tail lamp switch 1 Lighting switch
1ST or 2ND Approx. 0V
More than 45 seconds after ignition G
OFF Battery voltage
switch is turned OFF or ACC
Ignition switch or
(with lighting switch ACC Within 45 seconds after ignition
6 LG/B Tail lamp relay out 1 Approx. 0V
1ST or 2ND) switch is turned OFF or ACC H
ON or START Approx. 0V
Headlamps illuminate by auto light control. Approx. 0V
I
7 Y/G Battery power supply -- Battery voltage
More than 45 seconds after ignition
OFF Battery voltage
switch is turned OFF or ACC
Ignition switch or J
(with lighting switch ACC With 45 seconds after ignition
8 W/PU Headlamp relay out 2 Approx. 0V
except OFF or 1ST) switch is turned OFF or ACC
ON or START Approx. 0V
LT
Headlamps illuminate by auto light control. Approx. 0V
1ST 2.4V
Lighting switch
9 R/B Headlamp switch 2 PASS or 2ND Approx. 0V L
Headlamps illuminate by auto light control. Approx. 0V
OFF or ACC (After more than 45 seconds
Battery voltage M
10 Y/R RAP input signal Ignition switch with ignition switch turned OFF or ACC)
ON or START Approx. 0V
11 B Ground -- Approx. 0V
OFF Battery voltage
13 L Tail lamp switch 2 Lighting switch
1ST or 2ND Approx. 0V
More than 45 seconds after ignition
OFF Battery voltage
switch is turned OFF or ACC
Ignition switch or
(with lighting switch ACC Within 45 seconds after ignition
14 LG/B Tail lamp relay out 2 Approx. 0V
1ST or 2ND) switch is turned OFF or ACC
ON or START Approx. 0V
Headlamps illuminate by auto light control. Approx. 0V

Revision: 2004 October LT-17 2004 M45
HEADLAMP (FOR USA)

Terminals and Reference Value for BCM AKS002F1

Measuring condition
Terminal Wire
Item Ignition Reference value
No. color Operation or condition
switch
ON Battery voltage
3 R/L Tail lamp signal ON Lighting switch: 1st
OFF Approx. 0V
Light is applied to
Battery voltage
Lighting switch: optical sensor.
5 W/PU Headlamp relay control signal ON
AUTO Light is not applied to
Approx. 0V
optical sensor.
Light is applied to
Battery voltage
optical sensor.
11 LG/B Tail lamp relay control signal ON Light switch: AUTO
Light is not applied to
Approx. 0V
optical sensor.
AUTO Approx. 0V
14 Y/L Lighting switch AUTO signal ON Lighting switch
OFF 8V
17 BR/Y Data link RX -- -- --
18 P Data link TX -- -- --
Communication signal TX
30 PU -- -- --
(BCM-AV: Transmission)
Communication signal RX
31 LG -- -- --
(AV-BCM: Receiving)

Front door switch (Passenger Front door switch ON (open) Approx. 0V
37 LG OFF (Passenger side)
side) signal OFF (close) Battery voltage
Light is applied to optical sensor. 3V or more
52 G/R Auto light sensor signal ON
Light is not applied to optical sensor. Approx. 0V
56 B Ground -- -- Approx. 0V
58 Y/B Auto light sensor ground ON -- Approx. 0V
59 SB Auto light sensor power supply ON -- 5V or more
60 L/OR Ignition switch ACC or ON ACC -- Battery voltage
68 W/B Ignition switch ON or START ON -- Battery voltage
105 Y/L Battery power supply OFF -- Battery voltage
113 B Ground -- -- Approx. 0V
When headlamp battery saver timer is oper-
135 Y/G RAP output signal OFF Approx. 0V
ated

Front door switch (Driver side) Front door switch ON (open) Approx. 0V
142 R/Y OFF (Driver side) signal
signal OFF (close) Battery voltage

Work Flow AKS002F2

1. Confirm the symptom or customer complaint.
2. Understand system description. Refer to LT-6, "System Description" .
3. Perform the preliminary check. Refer to LT-19, "Preliminary Check" .
4. Find the cause of malfunction following the symptom chart and repair or replace as necessary. Refer to
LT-24, "Symptom Chart 1" (for headlamp system) or LT-24, "Symptom Chart 2" (for auto light system).
5. Does the headlamp system or the auto light system operate normally? If YES, GO TO 6. If NO, GO TO 4.
6. INSPECTION END

Revision: 2004 October LT-18 2004 M45
HEADLAMP (FOR USA)

Preliminary Check AKS002F3

SETTING CHANGE FUNCTION FOR AUTO LIGHT SYSTEM A
q Setting for each operation can be changed using CONSULT-II and a display unit.

G
SKIA3782E

INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
H
1. CHECK FUSE
Check if any of the following fuses in BCM are blown.
I
Unit Power source Fuse No.
Battery 3
BCM Ignition switch ACC or ON position 21 J
Ignition switch ON or START position 1
Refer to LT-11, "Wiring Diagram -- H/LAMP --" .
LT
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
2, "POWER SUPPLY ROUTING" . L

Revision: 2004 October LT-19 2004 M45
HEADLAMP (FOR USA)

2. CHECK BCM POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check voltage between BCM harness connector M4 terminals
and ground.
Terminals Ignition switch position
(+)
Terminal (-) OFF ACC ON
Connector
(Wire color)
Battery Battery Battery
105 (Y/L) PKIA5127E

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