control INFINITI M35 2007 Factory Service Manual

LT-2Revision: 2007 April2007 M35/M45 ACTIVE TEST ..................................................... 58
CONSULT-II Functions (IPDM E/R) ........................ 59
CONSULT-II BASIC OPERATION ....................... 59
DATA MONITOR .................................................. 59
ACTIVE TEST ..................................................... 59
Headlamp High Beam Does Not Illuminate (Both
Sides) ..................................................................... 60
Headlamp High Beam Does Not Illuminate (One
Side) ....................................................................... 63
High Beam Indicator Lamp Does Not Illuminate ..... 64
Headlamp Low Beam Does Not Illuminate (Both
Sides) ..................................................................... 65
Headlamp Low Beam Does Not Illuminate (One
Side) ....................................................................... 68
Headlamps Do Not Turn OFF ................................. 70
General Information for Xenon Headlamp Trouble
Diagnosis ................................................................ 71
Caution: .................................................................. 71
Xenon Headlamp Trouble Diagnosis ...................... 71
Aiming Adjustment .................................................. 72
PREPARATION BEFORE ADJUSTING .............. 72
LOW BEAM AND HIGH BEAM ........................... 72
ADJUSTMENT USING AN ADJUSTMENT
SCREEN (LIGHT/DARK BORDERLINE) ............ 73
Bulb Replacement .................................................. 73
HEADLAMP (INNER) HIGH BEAM ..................... 73
HEADLAMP (OUTER) LOW BEAM .................... 74
PARKING LAMP .................................................. 74
FRONT TURN SIGNAL LAMP ............................ 74
FRONT SIDE MARKER LAMP ............................ 74
Removal and Installation ........................................ 75
REMOVAL ........................................................... 75
INSTALLATION .................................................... 75
Disassembly and Assembly .................................... 76
DISASSEMBLY ................................................... 76
ASSEMBLY ......................................................... 77
HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - .................................................................. 78
Component Parts and Harness Connector Location ... 78
System Description ................................................. 78
OUTLINE ............................................................. 79
HEADLAMP OPERATION ................................... 80
DAYTIME LIGHT OPERATION ........................... 81
COMBINATION SWITCH READING FUNCTION ... 81
AUTO LIGHT OPERATION ................................. 81
CAN Communication System Description .............. 81
CAN Communication Unit ....................................... 81
Schematic ............................................................... 82
Wiring Diagram — DTRL — ................................... 83
Terminals and Reference Values for BCM .............. 89
Terminals and Reference Values for IPDM E/R ...... 91
How to Perform Trouble Diagnosis ......................... 91
Preliminary Check .................................................. 92
INSPECTION FOR POWER SUPPLY AND
GROUND CIRCUIT ............................................. 92
INSPECTION FOR PARKING BRAKE SWITCH
CIRCUIT .............................................................. 93
CONSULT-II Functions (BCM) ................................ 94
CONSULT-II BASIC OPERATION ....................... 94DATA MONITOR .................................................. 94
ACTIVE TEST ...................................................... 95
CONSULT-II Functions (IPDM E/R) ........................ 96
CONSULT-II BASIC OPERATION ....................... 96
DATA MONITOR .................................................. 96
ACTIVE TEST ...................................................... 96
Daytime Light Control Does Not Operate Properly
(Normal Headlamps Operate Properly) .................. 97
Headlamp High Beam Does Not Illuminate (Both
Sides) ....................................................................100
RH High Beam Does Not Illuminate But LH High
Beam Illuminates ..................................................104
LH High Beam Does Not Illuminate But RH High
Beam Illuminates ..................................................106
Headlamp Low Beam Does Not Illuminate (Both
Sides) ....................................................................108
Headlamp Low Beam Does Not Illuminate (One
Side) ...................................................................... 111
Headlamps Do Not Turn OFF ...............................113
General Information for Xenon Headlamp Trouble
Diagnosis ..............................................................114
CAUTION: .............................................................114
Xenon Headlamp Trouble Diagnosis ....................114
Aiming Adjustment ................................................114
Bulb Replacement .................................................114
Removal and Installation .......................................114
Disassembly and Assembly ..................................114
AUTO LIGHT SYSTEM ...........................................115
Component Parts and Harness Connector Location .115
System Description ...............................................115
OUTLINE ...........................................................115
COMBINATION SWITCH READING FUNCTION .116
EXTERIOR LAMP BATTERY SAVER CONTROL .116
DELAY TIMER FUNCTION ................................116
CAN Communication System Description ............116
CAN Communication Unit .....................................116
Major Components and Functions ........................116
Schematic .............................................................117
Wiring Diagram — AUTO/L — ..............................118
Terminals and Reference Values for BCM ............124
Terminals and Reference Values for IPDM E/R ....126
How to Perform Trouble Diagnoses ......................126
Preliminary Check .................................................127
SETTING CHANGE FUNCTIONS .....................127
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ...................................................................127
CONSULT-II Functions (BCM) ..............................128
CONSULT-II BASIC OPERATION .....................128
WORK SUPPORT .............................................128
DATA MONITOR ................................................129
ACTIVE TEST ....................................................130
Symptom Chart .....................................................130
Lighting Switch Inspection ....................................131
Optical Sensor System Inspection ........................131
Removal and Installation for Optical Sensor .........133
REMOVAL ..........................................................133
INSTALLATION ..................................................133
ACTIVE AFS ............................................................134
Component Parts and Harness Connector Location .134

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AFS (ADAPTIVE FRONT-LIGHTING SYSTEM) . 135
HEADLAMP AUTO AIMING .............................. 136
OUTLINE ........................................................... 136
AFS OPERATION ............................................. 137
HEADLAMP AUTO AIMING OPERATION ........ 139
CAN COMMUNICATION SYSTEM DESCRIP-
TION .................................................................. 139
CAN COMMUNICATION UNIT ......................... 139
Component Parts Description .............................. 140
AFS CONTROL UNIT ....................................... 140
SWIVEL ACTUATOR ........................................ 140
AIMING MOTOR ............................................... 140
AFS SWITCH .................................................... 141
HEIGHT SENSOR ............................................ 141
STEERING ANGLE SENSOR .......................... 141
IPDM E/R .......................................................... 141
ECM .................................................................. 141
TCM .................................................................. 141
UNIFIED METER AND A/C AMP. ..................... 141
COMBINATION METER ................................... 141
Schematic ............................................................ 142
Wiring Diagram — AFS — ................................... 143
Terminals and Reference Values for AFS Control
Unit ....................................................................... 149
How to Proceed with Trouble Diagnosis .............. 151
Preliminary Check ................................................ 151
CONSULT-II Function (ADAPTIVE LIGHT) .......... 152
CONSULT-II BASIC OPERATION ..................... 152
WORK SUPPORT (STEERING ANGLE SEN-
SOR ADJUSTMENT) ........................................ 152
WORK SUPPORT (LEVELIZER ADJUSTMENT)
. 152
SELF-DIAG RESULTS ...................................... 153
DATA MONITOR ............................................... 157
ACTIVE TEST ................................................... 159
Symptom Chart .................................................... 160
DTC B2503 SWIVEL ACTUATOR RH ................. 161
DTC B2504 SWIVEL ACTUATOR LH .................. 168
DTC B2514 HI SEN UNUSUAL RR ..................... 175
DTC B2521 ECU CIRC ........................................ 179
AFS Operation Check (Function Test) ................. 182
Auto Aiming Operation Check (Function Test) ..... 184
AFS Switch Does Not Operate ............................. 186
Auto Aiming Does Not Operate (Check Aiming
Motor System Circuit) ........................................... 188
AFS OFF Indicator Does Not Operate ................. 191
Removal and Installation of Steering Angle Sensor . 191
Removal and Installation of Front Combination
Lamp .................................................................... 191
Removal and Installation of AFS Control Unit ...... 192
REMOVAL ......................................................... 192
INSTALLATION ................................................. 192
Removal and Installation of AFS Switch .............. 192
REMOVAL ......................................................... 192
INSTALLATION ................................................. 192
Removal and Installation of Height Sensor .......... 193
REMOVAL ......................................................... 193
INSTALLATION ................................................. 193FRONT FOG LAMP ................................................194
Component Parts and Harness Connector Location .194
System Description ...............................................194
OUTLINE ...........................................................195
COMBINATION SWITCH READING FUNCTION .196
EXTERIOR LAMP BATTERY SAVER CONTROL .196
CAN Communication System Description ............196
CAN Communication Unit .....................................196
Schematic .............................................................197
Wiring Diagram — F/FOG — ................................198
Terminals and Reference Values for BCM ............202
Terminals and Reference Values for IPDM E/R ....203
How to Perform Trouble Diagnoses .....................203
Preliminary Check ................................................203
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................203
CONSULT-II Functions (BCM) ..............................204
CONSULT-II Functions (IPDM E/R) ......................204
Front Fog Lamps Do Not Illuminate (Both Sides) . 205
Front Fog Lamp Does Not Illuminate (One Side) . 208
Front Fog Lamps Do Not Turn OFF ......................209
Aiming Adjustment ................................................210
Bulb Replacement ................................................211
Removal and Installation ......................................211
REMOVAL .........................................................211
INSTALLATION .................................................211
TURN SIGNAL AND HAZARD WARNING LAMPS .212
Component Parts and Harness Connector Location .212
System Description ...............................................212
TURN SIGNAL OPERATION ............................212
HAZARD LAMP OPERATION ...........................213
COMBINATION SWITCH READING FUNCTION .214
CAN Communication System Description ............214
CAN Communication Unit .....................................214
Schematic .............................................................215
Wiring Diagram — TURN — .................................216
Terminals and Reference Values for BCM ............220
How to Perform Trouble Diagnoses .....................221
Preliminary Check ................................................222
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................222
CONSULT-II Functions (BCM) ..............................223
CONSULT-II BASIC OPERATION .....................223
DATA MONITOR ...............................................223
ACTIVE TEST ...................................................223
Turn Signal Lamp Does Not Operate ...................224
Hazard Warning Lamp Does Not Operate But Turn
Signal Lamp Operate ............................................226
Turn Signal Indicator Lamp Does Not Operate ....227
Bulb Replacement/Removal and Installation of Side
Turn Signal Lamp .................................................229
REMOVAL .........................................................229
INSTALLATION .................................................229
Bulb Replacement (Front Turn Signal Lamp) .......229
Bulb Replacement (Rear Turn Signal Lamp) ........229
Removal and Installation of Front Turn Signal Lamp .229
Removal and Installation of Rear Turn Signal Lamp .229
LIGHTING AND TURN SIGNAL SWITCH ..............230
Removal and Installation ......................................230

LT-4Revision: 2007 April2007 M35/M45 REMOVAL .........................................................230
INSTALLATION ..................................................230
Switch Circuit Inspection ......................................230
HAZARD SWITCH ..................................................231
Removal and Installation ......................................231
REMOVAL .........................................................231
COMBINATION SWITCH ........................................232
Wiring Diagram — COMBSW — ..........................232
Combination Switch Reading Function .................233
Terminals and Reference Values for BCM ............233
CONSULT-II Functions (BCM) ..............................238
CONSULT-II BASIC OPERATION .....................238
DATA MONITOR ................................................238
Combination Switch Inspection ............................239
Removal and Installation ......................................241
STOP LAMP ............................................................242
Wiring Diagram — STOP LAMP — ......................242
High-Mounted Stop Lamp .....................................244
BULB REPLACEMENT, REMOVAL AND
INSTALLATION ..................................................244
Stop Lamp ............................................................244
BULB REPLACEMENT .....................................244
REMOVAL AND INSTALLATION .......................244
BACK-UP LAMP .....................................................245
Wiring Diagram — B/LAMP — .............................245
Bulb Replacement ................................................246
Removal and Installation ......................................247
REMOVAL .........................................................247
INSTALLATION ..................................................247
PARKING, LICENSE PLATE AND TAIL LAMPS ....248
Component Parts and Harness Connector Location .248
System Description ...............................................248
OUTLINE ...........................................................248
OPERATION BY LIGHTING SWITCH ...............249
COMBINATION SWITCH READING FUNCTION .249
EXTERIOR LAMP BATTERY SAVER CONTROL .249
CAN Communication System Description ............249
CAN Communication Unit .....................................249
Schematic .............................................................250
Wiring Diagram — TAIL/L — ................................251
Terminals and Reference Values for BCM ............256
Terminals and Reference Values for IPDM E/R ....257
How to Perform Trouble Diagnoses ......................257
Preliminary Check ................................................257
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................257
CONSULT-II Functions (BCM) ..............................258
CONSULT-II Functions (IPDM E/R) ......................258
Parking, License Plate and Tail Lamps Do Not Illu-
minate ...................................................................259
Parking, License Plate and Tail Lamps Do Not Turn
OFF (After Approx. 10 Minutes) ...........................263
License Plate Lamp ..............................................264
BULB REPLACEMENT .....................................264
Removal and Installation ......................................264
REMOVAL .........................................................264INSTALLATION ..................................................264
Front Parking (Clearance) Lamp ...........................264
BULB REPLACEMENT ......................................264
REMOVAL AND INSTALLATION .......................264
REAR COMBINATION LAMP .................................265
Bulb Replacement .................................................265
REAR TURN SIGNAL LAMP BULB, STOP/TAIL
LAMP BULB .......................................................265
Removal and Installation .......................................265
REMOVAL ..........................................................265
INSTALLATION ..................................................265
INTERIOR ROOM LAMP ........................................266
Component Parts and Harness Connector Location .266
System Description ...............................................266
ROOM LAMP TIMER BASIC OPERATION .......266
POWER SUPPLY AND GROUND .....................267
SWITCH OPERATION .......................................268
ROOM LAMP TIMER OPERATION ...................269
CONDITIONS FOR CANCELING TIMER ..........270
ROOM LAMP TIMER INAPPLICABLE LAMPS
OPERATION ......................................................270
INTERIOR ROOM LAMP BATTERY SAVER
FUNCTION ........................................................270
Schematic .............................................................271
Wiring Diagram — ROOM/L — .............................273
Terminals and Reference Values for BCM ............280
How to Perform Trouble Diagnoses ......................281
Preliminary Check .................................................282
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ...................................................................282
CONSULT-II Functions (BCM) ..............................283
CONSULT-II BASIC OPERATION .....................283
WORK SUPPORT (INT LAMP) .........................283
DATA MONITOR (INT LAMP) ............................284
ACTIVE TEST (INT LAMP) ................................285
WORK SUPPORT (BATTERY SAVER) .............285
DATA MONITOR (BATTERY SAVER) ...............285
ACTIVE TEST (BATTERY SAVER) ...................286
Interior Room Lamp Control Does Not Operate ....287
Map Lamp .............................................................289
BULB REPLACEMENT ......................................289
REMOVAL AND INSTALLATION .......................289
Personal Lamp ......................................................289
BULB REPLACEMENT ......................................289
REMOVAL AND INSTALLATION .......................289
Foot Lamp (Driver Side) ........................................290
BULB REPLACEMENT ......................................290
REMOVAL AND INSTALLATION .......................290
Foot Lamp (Passenger Side) ................................291
BULB REPLACEMENT ......................................291
REMOVAL AND INSTALLATION .......................291
Vanity Mirror Lamp ................................................291
BULB REPLACEMENT ......................................291
Step Lamp .............................................................292
BULB REPLACEMENT ......................................292
REMOVAL AND INSTALLATION .......................292
Kicking Plate Illumination ......................................292
BULB REPLACEMENT ......................................292

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Trunk Room Lamp (Upper/Lower) ........................ 292
BULB REPLACEMENT ..................................... 292
REMOVAL AND INSTALLATION ...................... 292
ILLUMINATION ....................................................... 293
System Description .............................................. 293
OUTLINE ........................................................... 293
ILLUMINATION OPERATION BY LIGHTING
SWITCH ............................................................ 294
EXTERIOR LAMP BATTERY SAVER CONTROL . 295
CAN Communication System Description ............ 295
CAN Communication Unit .................................... 295
Schematic ............................................................ 296
Wiring Diagram — ILL — ..................................... 298
Glove Box Lamp .................................................... 311BULB REPLACEMENT, REMOVAL AND
INSTALLATION .................................................311
Cigarette Lighter Illumination ................................311
BULB REPLACEMENT, REMOVAL AND
INSTALLATION .................................................311
Front Ashtray Illumination .....................................312
BULB REPLACEMENT, REMOVAL AND
INSTALLATION .................................................312
Rear Ashtray Illumination .....................................312
REMOVAL AND INSTALLATION ......................312
INSTALLATION .................................................312
BULB SPECIFICATIONS ........................................313
Headlamp .............................................................313
Exterior Lamp .......................................................313
Interior Lamp/Illumination .....................................313

LT-8
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2007 April2007 M35/M45
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -PFP:26010
Component Parts and Harness Connector LocationNKS003NY
System DescriptionNKS003NZ
The control of the headlamp system operation is dependent upon the position of the combination switch (light-
ing switch). When the lighting switch is placed in the 2ND position, the BCM (body control module) receives
input signal requesting the headlamps (and tail lamps) illuminate. This input signal is communicated to the
IPDM E/R (intelligent power distribution module engine room) across the CAN communication lines. The CPU
(central processing unit) located in the IPDM E/R controls the headlamp high and headlamp low relay coils.
These relays, when energized, direct power to the respective headlamps, which then illuminate.
PKIC1983E

LT-10
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2007 April2007 M35/M45
HEADLAMP OPERATION
Low Beam Operation
With the lighting switch in 2ND position, the BCM receives input signal requesting the headlamps to illuminate.
This input signal is communicated to the IPDM E/R across the CAN communication lines. The CPU located in
the IPDM E/R controls the headlamp low relay coil, which when energized, directs power

through 15A fuse (No. 76, located in IPDM E/R)

through IPDM E/R terminal 20

to front combination lamp RH terminal 8,

through 15A fuse (No. 86, located in IPDM E/R)

through IPDM E/R terminal 30

to front combination lamp LH terminal 8.
Ground is supplied

to front combination lamp RH terminal 4

to front combination lamp LH terminal 4

through grounds E22 and E43.
With power and ground supplied, low beam headlamps illuminate.
High Beam Operation/Flash-to-Pass Operation
With the lighting switch in 2ND position and placed in HIGH or PASS position, the BCM receives input signal
requesting the headlamp high beams and low beams to illuminate. This input signal is communicated to the
IPDM E/R across the CAN communication lines. The CPU located in the IPDM E/R controls the headlamp
high relay coil and low relay coil, which when energized, directs power

through 15A fuse (No. 76, located in IPDM E/R)

through IPDM E/R terminal 20

to front combination lamp RH terminal 8,

through 15A fuse (No. 86, located in IPDM E/R)

through IPDM E/R terminal 30

to front combination lamp LH terminal 8,

through 10A fuse (No. 72, located in IPDM E/R)

through IPDM E/R terminal 27

to front combination lamp RH terminal 6,

through 10A fuse (No. 74, located in IPDM E/R)

through IPDM E/R terminal 28

to front combination lamp LH terminal 6.
Ground is supplied

to front combination lamp RH terminal 4

to front combination lamp LH terminal 4

to front combination lamp RH terminal 2

to front combination lamp LH terminal 2

through grounds E22 and E43.
With power and ground supplied, the high beam and low beam headlamps illuminate.
The unified meter and A/C amp. that received the high beam request signal by BCM across the CAN commu-
nication makes a high beam indicator lamp turn on in the combination meter.

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
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COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
EXTERIOR LAMP BATTERY SAVER CONTROL
When the combination switch (lighting switch) is in the 2ND position (ON), and the ignition switch is turned
from ON or ACC to OFF, the battery saver control function is activated.
Under this condition, the headlamps remain illuminated for 5 minutes, then the headlamps are turned off.
Exterior lamp battery saver control mode can be changed by the function setting of CONSULT-II.
AUTO LIGHT OPERATION
Refer to LT- 11 5 , "System Description" .
CAN Communication System DescriptionNKS003O0
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNKS003O1
Refer to LAN-50, "CAN System Specification Chart" .

LT-42
HEADLAMP (FOR USA) - XENON TYPE -
Revision: 2007 April2007 M35/M45
HEADLAMP (FOR USA) - XENON TYPE -PFP:26010
Component Parts and Harness Connector LocationNKS003OK
System DescriptionNKS003OL
The control of the headlamp system operation is dependent upon the position of the combination switch (light-
ing switch). When the lighting switch is placed in the 2ND position, the BCM (body control module) receives
input signal requesting the headlamps (and tail lamps) illuminate. This input signal is communicated to the
IPDM E/R (intelligent power distribution module engine room) across the CAN communication lines. The CPU
(central processing unit) located in the IPDM E/R controls the headlamp high and headlamp low relay coils.
These relays, when energized, direct power to the respective headlamps, which then illuminate.
PKIC1983E

LT-44
HEADLAMP (FOR USA) - XENON TYPE -
Revision: 2007 April2007 M35/M45
HEADLAMP OPERATION
Low Beam Operation
With the lighting switch in 2ND position, the BCM receives input signal requesting the headlamps to illuminate.
This input signal is communicated to the IPDM E/R across the CAN communication lines. The CPU located in
the IPDM E/R controls the headlamp low relay coil, which when energized, directs power

through 15A fuse (No. 76, located in IPDM E/R)

through IPDM E/R terminal 20

to front combination lamp RH terminal 8,

through 15A fuse (No. 86, located in IPDM E/R)

through IPDM E/R terminal 30

to front combination lamp LH terminal 8.
Ground is supplied

to front combination lamp RH terminal 4

to front combination lamp LH terminal 4

through grounds E22 and E43.
With power and ground supplied, low beam headlamps illuminate.
High Beam Operation/Flash-to-Pass Operation
With the lighting switch in 2ND position and placed in HIGH or PASS position, the BCM receives input signal
requesting the headlamp high beams and low beams to illuminate. This input signal is communicated to the
IPDM E/R across the CAN communication lines. The CPU located in the IPDM E/R controls the headlamp
high relay coil and low relay coil, which when energized, directs power

through 15A fuse (No. 76, located in IPDM E/R)

through IPDM E/R terminal 20

to front combination lamp RH terminal 8,

through 15A fuse (No. 86, located in IPDM E/R)

through IPDM E/R terminal 30

to front combination lamp LH terminal 8,

through 10A fuse (No. 72, located in IPDM E/R)

through IPDM E/R terminal 27

to front combination lamp RH terminal 6,

through 10A fuse (No. 74, located in IPDM E/R)

through IPDM E/R terminal 28

to front combination lamp LH terminal 6.
Ground is supplied

to front combination lamp RH terminal 4

to front combination lamp LH terminal 4

to front combination lamp RH terminal 2

to front combination lamp LH terminal 2

through grounds E22 and E43.
With power and ground supplied, the high beam and low beam headlamps illuminate.
The unified meter and A/C amp. that received the high beam request signal by BCM across the CAN commu-
nication makes a high beam indicator lamp turn on in the combination meter.

HEADLAMP (FOR USA) - XENON TYPE -
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COMBINATION SWITCH READING FUNCTION
Refer to BCS-3, "COMBINATION SWITCH READING FUNCTION" .
EXTERIOR LAMP BATTERY SAVER CONTROL
When the combination switch (lighting switch) is in the 2ND position (ON), and the ignition switch is turned
from ON or ACC to OFF, the battery saver control function is activated.
Under this condition, the headlamps remain illuminated for 5 minutes, then the headlamps are turned off.
Exterior lamp battery saver control mode can be changed by the function setting of CONSULT-II.
AUTO LIGHT OPERATION
Refer to LT- 11 5 , "System Description" .
XENON HEADLAMP
Xenon type lamps are used for to the low beam headlamps. Xenon bulbs do not use a filament. Instead, 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 strong lighting power, electronic control of
the power supply gives the headlamps stable quality and tone color.
Followings are some advantages of the xenon type headlamp.

The light produced by the headlamps is white color similar to sunlight that is easy to the eyes.

Light output is nearly double that of halogen headlamps, affording increased area of illumination.

Counter-reflected luminance increases and the contrast enhances on the wet road in the rain. That makes
visibility go up more than the increase of the light volume.

Power consumption is approximately 25 percent less than halogen headlamps, reducing battery load.
CAN Communication System DescriptionNKS003OM
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNKS003ON
Refer to LAN-50, "CAN System Specification Chart" .