battery INFINITI M35 2006 Factory Service Manual

LT-1
LIGHTING SYSTEM
K ELECTRICAL
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LIGHTING SYSTEM
PRECAUTIONS .......................................................... 6
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 6
General Precautions for Service Operations ............ 7
HEADLAMP (FOR USA) - CONVENTIONAL TYPE - ..... 8
Component Parts and Harness Connector Location ..... 8
System Description .................................................. 8
OUTLINE ............................................................... 9
HEADLAMP OPERATION .................................. 10
COMBINATION SWITCH READING FUNCTION .... 11
EXTERIOR LAMP BATTERY SAVER CONTROL .... 11
AUTO LIGHT OPERATION .................................. 11
CAN Communication System Description ............... 11
CAN Communication Unit ....................................... 11
Schematic .............................................................. 12
Wiring Diagram — H/LAMP — ............................... 13
Terminals and Reference Values for BCM ............. 18
Terminals and Reference Values for IPDM E/R ..... 20
How to Perform Trouble Diagnoses ....................... 20
Preliminary Check .................................................. 20
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 20
CONSULT-II Functions (BCM) ............................... 22
CONSULT-II BASIC OPERATION ....................... 22
DATA MONITOR ................................................. 23
ACTIVE TEST ..................................................... 24
CONSULT-II Functions (IPDM E/R) ....................... 25
CONSULT-II BASIC OPERATION ....................... 25
DATA MONITOR ................................................. 26
ACTIVE TEST ..................................................... 26
Headlamp High Beam Does Not Illuminate (Both
Sides) ..................................................................... 27
Headlamp High Beam Does Not Illuminate (One
Side) ....................................................................... 30
High Beam Indicator Lamp Does Not Illuminate .... 31
Headlamp Low Beam Does Not Illuminate (Both
Sides) ..................................................................... 32
Headlamp Low Beam Does Not Illuminate (One
Side) ....................................................................... 35Headlamps Do Not Turn OFF ................................. 37
Aiming Adjustment .................................................. 38
PREPARATION BEFORE ADJUSTING .............. 38
LOW BEAM AND HIGH BEAM ........................... 38
ADJUSTMENT USING AN ADJUSTMENT
SCREEN (LIGHT/DARK BORDERLINE) ............ 39
Bulb Replacement .................................................. 39
HEADLAMP (INNER) HIGH BEAM ..................... 39
HEADLAMP (OUTER) LOW BEAM .................... 40
PARKING LAMP (CLEARANCE) LAMP .............. 40
FRONT TURN SIGNAL LAMP ............................ 40
FRONT SIDE MARKER LAMP ........................... 40
Removal and Installation ........................................ 41
REMOVAL ........................................................
... 41
INSTALLATION ................................................... 41
Disassembly and Assembly .................................... 42
DISASSEMBLY ................................................... 42
ASSEMBLY ......................................................... 42
HEADLAMP (FOR USA) - XENON TYPE - .............. 43
Component Parts and Harness Connector Location ... 43
System Description ................................................. 43
OUTLINE ............................................................. 44
HEADLAMP OPERATION ................................... 45
COMBINATION SWITCH READING FUNCTION ... 46
EXTERIOR LAMP BATTERY SAVER CONTROL ... 46
AUTO LIGHT OPERATION ................................. 46
XENON HEADLAMP ........................................... 46
CAN Communication System Description .............. 46
CAN Communication Unit ....................................... 46
Schematic ............................................................... 47
Wiring Diagram — H/LAMP — ............................... 48
Terminals and Reference Values for BCM .............. 53
Terminals and Reference Values for IPDM E/R ...... 55
How to Perform Trouble Diagnoses ....................... 55
Preliminary Check .................................................. 55
CHECK POWER SUPPLY AND GROUND CIR-
CUIT .................................................................... 55
CONSULT-II Functions (BCM) ................................ 57
CONSULT-II BASIC OPERATION ....................... 57
DATA MONITOR ................................................. 58

LT-2Revision: 2006 January2006 M35/M45 ACTIVE TEST ..................................................... 59
CONSULT-II Functions (IPDM E/R) ........................ 60
CONSULT-II BASIC OPERATION ....................... 60
DATA MONITOR .................................................. 61
ACTIVE TEST ..................................................... 61
Headlamp High Beam Does Not Illuminate (Both
Sides) ..................................................................... 62
Headlamp High Beam Does Not Illuminate (One
Side) ....................................................................... 65
High Beam Indicator Lamp Does Not Illuminate ..... 66
Headlamp Low Beam Does Not Illuminate (Both
Sides) ..................................................................... 67
Headlamp Low Beam Does Not Illuminate (One
Side) ....................................................................... 70
Headlamps Do Not Turn OFF ................................. 72
General Information for Xenon Headlamp Trouble
Diagnosis ................................................................ 73
Caution: .................................................................. 73
Xenon Headlamp Trouble Diagnosis ...................... 73
Aiming Adjustment .................................................. 74
PREPARATION BEFORE ADJUSTING .............. 74
LOW BEAM AND HIGH BEAM ........................... 74
ADJUSTMENT USING AN ADJUSTMENT
SCREEN (LIGHT/DARK BORDERLINE) ............ 75
Bulb Replacement ...............................................
... 75
HEADLAMP (INNER) HIGH BEAM ..................... 75
HEADLAMP (OUTER) LOW BEAM .................... 76
PARKING LAMP (CLEARANCE LAMP) .............. 76
FRONT TURN SIGNAL LAMP ............................ 76
FRONT SIDE MARKER LAMP ............................ 76
Removal and Installation ........................................ 76
Disassembly and Assembly .................................... 77
DISASSEMBLY ................................................... 77
ASSEMBLY ......................................................... 78
HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - .................................................................. 79
Component Parts and Harness Connector Location ... 79
System Description ................................................. 79
OUTLINE ............................................................. 80
HEADLAMP OPERATION ................................... 81
DAYTIME LIGHT OPERATION ........................... 82
COMBINATION SWITCH READING FUNCTION ... 82
AUTO LIGHT OPERATION ................................. 82
CAN Communication System Description .............. 82
Schematic ............................................................... 83
Wiring Diagram — DTRL — ................................... 84
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 ....................... 94
DATA MONITOR .................................................. 95
ACTIVE TEST ..................................................... 96
CONSULT-II Functions (IPDM E/R) ........................ 97CONSULT-II BASIC OPERATION ....................... 97
DATA MONITOR .................................................. 98
ACTIVE TEST ...................................................... 98
Daytime Light Control Does Not Operate Properly
(Normal Headlamps Operate Properly) .................. 99
Headlamp High Beam Does Not Illuminate (Both
Sides) ....................................................................102
RH High Beam Does Not Illuminate But LH High
Beam Illuminates ..................................................105
LH High Beam Does Not Illuminate But RH High
Beam Illuminates ..................................................107
Headlamp Low Beam Does Not Illuminate (Both
Sides) ....................................................................109
Headlamp Low Beam Does Not Illuminate (One
Side) ......................................................................112
Headlamps Do Not Turn OFF ...............................114
General Information for Xenon Headlamp Trouble
Diagnosis ..............................................................115
CAUTION: .............................................................115
Xenon Headlamp Trouble Diagnosis ....................115
Aiming Adjustment ................................................115
Bulb Replacement .................................................115
Removal and Installation .......................................115
Disassembly and Assembly ..................................115
AUTO LIGHT SYSTEM ...........................................116
Component Parts and Harness Connector Location .116
System Description ...............................................116
OUTLINE ...........................................................116
COMBINATION SWITCH READING FUNCTION .117
EXTERIOR LAMP BATTERY SAVER CONTROL .117
DELAY TIMER FUNCTION ................................117
CAN Communication System Description ............117
CAN Communication Unit .....................................117
Major Components and Functions ........................117
Schematic .............................................................118
Wiring Diagram — AUTO/L — ..............................119
Terminals and Reference Values for BCM ............123
Terminals and Reference Values for IPDM E/R ....125
How to Perform Trouble Diagnoses ......................125
Preliminary Check .................................................126
SETTING CHANGE FUNCTIONS .....................126
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ...................................................................126
CONSULT-II Functions (BCM) .............................
.127
CONSULT-II BASIC OPERATION .....................127
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
System Description ...............................................135
AFS (ADAPTIVE FRONT-LIGHTING SYSTEM) .135
HEADLAMP AUTO AIMING ..............................136

LT-3
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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) ........................................153
WORK SUPPORT (LEVELIZER ADJUSTMENT)
.153
SELF-DIAG RESULTS ......................................154
DATA MONITOR ...............................................158
ACTIVE TEST ...................................................160
Symptom Chart ....................................................161
DTC B2503 SWIVEL ACTUATOR RH .................162
DTC B2504 SWIVEL ACTUATOR LH ..................168
DTC B2514 HI SEN UNUSUAL RR .....................174
DTC B2521 ECU CIRC ........................................178
AFS Operation Check (Function Test) .................181
Auto Aiming Operation Check (Function Test) .....183
AFS Switch Does Not Operate .............................185
Auto Aiming Does Not Operate (Check Aiming
Motor System Circuit) ..........................................
.187
AFS OFF Indicator Does Not Operate .................190
Removal and Installation of Steering Angle Sensor .190
Removal and Installation of Front Combination
Lamp ....................................................................190
Removal and Installation of AFS Control Unit ......191
REMOVAL ........................................................
.191
INSTALLATION .................................................191
Removal and Installation of AFS Switch ..............191
REMOVAL ........................................................
.191
INSTALLATION .................................................191
Removal and Installation of Height Sensor ..........192
REMOVAL ........................................................
.192
INSTALLATION .................................................192
FRONT FOG LAMP ................................................193
Component Parts and Harness Connector Location .193
System Description ..............................................193OUTLINE ...........................................................194
COMBINATION SWITCH READING FUNCTION .195
EXTERIOR LAMP BATTERY SAVER CONTROL .195
CAN Communication System Description ............195
CAN Communication Unit .....................................195
Schematic .............................................................196
Wiring Diagram — F/FOG — ................................197
Terminals and Reference Values for BCM ............201
Terminals and Reference Values for IPDM E/R ....202
How to Perform Trouble Diagnoses .....................202
Preliminary Check ................................................202
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................202
CONSULT-II Functions (BCM) ..............................203
CONSULT-II Functions (IPDM E/R) ......................203
Front Fog Lamps Do Not Illuminate (Both Sides) . 204
Front Fog Lamp Does Not Illuminate (One Side) . 207
Front Fog Lamps Do Not Turn OFF ......................208
Aiming Adjustment ................................................209
Bulb Replacement ................................................210
Removal and Installation ......................................210
REMOVAL ........................................................
.210
INSTALLATION .................................................210
TURN SIGNAL AND HAZARD WARNING LAMPS .211
Component Parts and Harness Connector Location .211
System Description ...............................................211
TURN SIGNAL OPERATION ............................211
HAZARD LAMP OPERATION ...........................212
COMBINATION SWITCH READING FUNCTION .213
CAN Communication System Description ............213
CAN Communication Unit .....................................213
Schematic .............................................................214
Wiring Diagram — TURN — .................................215
Terminals and Reference Values for BCM ............219
How to Perform Trouble Diagnoses .....................220
Preliminary Check ................................................221
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................221
CONSULT-II Functions (BCM) ..............................223
CONSULT-II BASIC OPERATION .....................223
DATA MONITOR ...............................................224
ACTIVE TEST ...................................................224
Turn Signal Lamp Does Not Operate ...................225
H a z a r d W a r n i n g L a m p D o e s N o t O p e r a t e B u t T u r n
Signal Lamp Operate ............................................227
Turn Signal Indicator Lamp Does Not Operate ....228
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
REMOVAL ........................................................
.230
INSTALLATION .................................................230
Switch Circuit Inspection ......................................230

LT-4Revision: 2006 January2006 M35/M45 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 ................................................239
Combination Switch Inspection ............................240
Removal and Installation ......................................242
STOP LAMP ............................................................243
Wiring Diagram — STOP LAMP — ......................243
High-Mounted Stop Lamp .....................................245
BULB REPLACEMENT, REMOVAL AND
INSTALLATION ..................................................245
Stop Lamp ............................................................245
BULB REPLACEMENT .....................................245
BULB REPLACEMENT .....................................245
BACK-UP LAMP .....................................................246
Wiring Diagram — B/LAMP — .............................246
Bulb Replacement ...............................................
.247
Removal and Installation ......................................248
REMOVAL ........................................................
.248
INSTALLATION ..................................................248
PARKING, LICENSE PLATE AND TAIL LAMPS ....249
Component Parts and Harness Connector Location .249
System Description ...............................................249
OUTLINE ...........................................................249
OPERATION BY LIGHTING SWITCH ...............250
COMBINATION SWITCH READING FUNCTION .250
EXTERIOR LAMP BATTERY SAVER CONTROL .250
CAN Communication System Description ............250
CAN Communication Unit .....................................250
Schematic .............................................................251
Wiring Diagram — TAIL/L — ................................252
Terminals and Reference Values for BCM ............257
Terminals and Reference Values for IPDM E/R ....258
How to Perform Trouble Diagnoses ......................258
Preliminary Check ................................................258
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ..................................................................258
CONSULT-II Functions (BCM) ..............................259
CONSULT-II Functions (IPDM E/R) ......................259
Parking, License Plate and Tail Lamps Do Not Illu-
minate ...................................................................260
Parking, License Plate and Tail Lamps Do Not Turn
OFF (After Approx. 10 Minutes) ...........................264
License Plate Lamp ..............................................265
BULB REPLACEMENT .....................................265
Removal and Installation ......................................265
REMOVAL ........................................................
.265
INSTALLATION ..................................................265
Front Parking (Clearance) Lamp ..........................265
BULB REPLACEMENT .....................................265
REMOVAL AND INSTALLATION .......................265
REAR COMBINATION LAMP .................................266
Bulb Replacement ...............................................
.266REAR TURN SIGNAL LAMP BULB, STOP/TAIL
LAMP BULB ...................................................... .266
Removal and Installation .......................................266
REMOVAL ..........................................................266
INSTALLATION ..................................................266
INTERIOR ROOM LAMP ........................................267
Component Parts and Harness Connector Location .267
System Description ...............................................267
ROOM LAMP TIMER BASIC OPERATION .......267
POWER SUPPLY AND GROUND .....................268
SWITCH OPERATION .......................................269
ROOM LAMP TIMER OPERATION ...................270
CONDITIONS FOR CANCELING TIMER ..........271
ROOM LAMP TIMER INAPPLICABLE LAMPS
OPERATION ......................................................271
INTERIOR ROOM LAMP BATTERY SAVER
FUNCTION .......................................................
.271
Schematic .............................................................272
Wiring Diagram — ROOM/L — .............................274
Terminals and Reference Values for BCM ............281
How to Perform Trouble Diagnoses ......................282
Preliminary Check .................................................283
CHECK POWER SUPPLY AND GROUND CIR-
CUIT ...................................................................283
CONSULT-II Functions (BCM) ..............................284
CONSULT-II BASIC OPERATION .....................284
WORK SUPPORT (INT LAMP) .........................285
DATA MONITOR (INT LAMP) ............................286
ACTIVE TEST (INT LAMP) ................................287
WORK SUPPORT (BATTERY SAVER) .............287
DATA MONITOR (BATTERY SAVER) ...............287
ACTIVE TEST (BATTERY SAVER) ...................288
Interior Room Lamp Control Does Not Operate ....289
Map Lamp .............................................................291
BULB REPLACEMENT ......................................291
REMOVAL AND INSTALLATION .......................291
Personal Lamp ......................................................291
BULB REPLACEMENT ......................................291
REMOVAL AND INSTALLATION .......................291
Foot Lamp (Driver Side) .......................................
.292
BULB REPLACEMENT ......................................292
REMOVAL AND INSTALLATION .......................292
Foot Lamp (Passenger Side) ................................293
BULB REPLACEMENT ......................................293
REMOVAL AND INSTALLATION .......................293
Vanity Mirror Lamp ................................................293
BULB REPLACEMENT ......................................293
Step Lamp .............................................................294
BULB REPLACEMENT ......................................294
REMOVAL AND INSTALLATION .......................294
Kicking Plate Illumination .....................................
.294
BULB REPLACEMENT ......................................294
REMOVAL AND INSTALLATION .......................294
Trunk Room Lamp (Upper/Lower) ........................294
BULB REPLACEMENT ......................................294
REMOVAL AND INSTALLATION .......................294
ILLUMINATION ........................................................295
System Description ...............................................295
OUTLINE ...........................................................295

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SWITCH ............................................................296
EXTERIOR LAMP BATTERY SAVER CONTROL .297
CAN Communication System Description ............297
CAN Communication Unit ....................................297
Schematic ............................................................298
Wiring Diagram — ILL — .....................................300
Glove Box Lamp ...................................................313
BULB REPLACEMENT, REMOVAL AND
INSTALLATION .................................................313
Cigarette Lighter Illumination ...............................313
BULB REPLACEMENT, REMOVAL AND INSTALLATION .................................................313
Front Ashtray Illumination .....................................314
BULB REPLACEMENT, REMOVAL AND
INSTALLATION .................................................314
Rear Ashtray Illumination .....................................314
REMOVAL AND INSTALLATION ......................314
INSTALLATION .................................................314
BULB SPECIFICATIONS ........................................315
Headlamp .............................................................315
Exterior Lamp .......................................................315
Interior Lamp/Illumination .....................................315

PRECAUTIONS
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General Precautions for Service OperationsNKS003NX
Never work with wet hands.
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).
Turn the lighting switch OFF before disconnecting and connect-
ing the connector.
When turning the xenon headlamp on and while it is illuminated,
never touch the harness, bulb, and socket of the headlamp.
When checking the headlamp on/off operation, check it on vehi-
cle and with the power connected to the vehicle-side connector.
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.
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.
When the bulb has burned out, wrap it in a thick vinyl bag and
discard. Do not break the bulb.
Leaving the bulb removed from the headlamp housing for a long
period of time can deteriorate the performance of the lens and
reflector (dirt, clouding). Always prepare a new bulb and have it
on hand when replacing the bulb.
When adjusting the headlamp aiming, turn the aiming adjust-
ment screw only in the tightening direction. (If it is necessary to loosen the screw, first fully loosen the
screw, and then turn it in the tightening direction.)
Do not use organic solvent (paint thinner or gasoline) to clean lamps and to remove old sealant.
PKIA0183E
EL-3422D

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
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OUTLINE
Power is supplied at all times
to headlamp high relay, located in IPDM E/R and
to headlamp low relay, located in IPDM E/R, from battery direct,
through 15A fuse (No. 71, located in IPDM E/R)
to CPU, located in IPDM E/R,
through 15A fuse (No. 78, located in IPDM E/R)
to CPU, located in IPDM E/R,
through 50A fusible link (letter F, located in fuse and fusible link block)
to BCM terminal 55,
through 10A fuse [No. 21, located in fuse block (J/B)]
to BCM terminal 42 and
to combination meter terminal 23,
through 10A fuse [No. 19, located in fuse block (J/B)]
to unified meter and A/C amp. terminal 54,
through 10A fuse [No. 22, located in fuse block (J/B)]
to key slot terminal 1.
When the ignition switch is in the ON or START position, power is supplied
to CPU, located in IPDM E/R,
through 15A fuse [No. 1, located in fuse block (J/B)]
to BCM terminal 38,
through 10A fuse [No. 14, located in fuse block (J/B)]
to combination meter terminal 12,
through 10A fuse [No. 12, located in fuse block (J/B)]
to unified meter and A/C amp. terminal 53.
When the ignition switch is in the ACC or ON position, power is supplied
through 10A fuse [No. 6, located in fuse block (J/B)]
to BCM terminal 11.
Ground is supplied
to BCM terminal 52
to combination meter terminals 9, 10, and 11
to unified meter and A/C amp. terminals 55 and 71
to push-button ignition switch (push switch) terminal 1
to key slot terminal 8
through grounds M16 and M70,
to IPDM E/R terminals 38 and 51
through grounds E22 and E43.

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-116, "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-34, "CAN Communication Unit" .

LT-18
HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
Revision: 2006 January2006 M35/M45
Terminals and Reference Values for BCMNKS003O4
CAUTION:
Check combination switch system terminal waveform under the loaded condition with lighting
switch, turn signal switch and wiper switch OFF not to be fluctuated by overloaded.
Turn wiper dial position to 4 except when checking waveform or voltage of wiper dial position.
Wiper dial position can be confirmed on CONSULT-II. Refer to LT-23, "
DATA MONITOR" .
Te r m i n a l
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
2L/RCombination
switch input 5ONLighting, turn, wiper
switch
(Wiper dial position 4)Lighting switch HI beam
(Operates only HI beam
switch)
Approx. 1.0V
Lighting switch 2ND
Approx. 2.0V
OFF Approx. 0V
3 O/LCombination
switch input 4ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below
Lighting switch 2ND
Lighting switch
PASSING (Operates
only PASSING switch)
Approx. 1.0V
OFF Approx. 0V
11 VIgnition switch
(ACC)ACC — Battery voltage
PKIB4957J
PKIB4953J
PKIB4957J

HEADLAMP (FOR USA) - CONVENTIONAL TYPE -
LT-19
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34 LCombination
switch output 3ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below
Lighting switch 2ND
Lighting switch HI
beam
(Operates only HI
beam switch)
Approx. 1.2V
OFF
Approx. 7.0 - 7.5V
35 SBCombination
switch output 2ONLighting, turn, wiper
switch
(Wiper dial position 4)
Any of several con-
ditions below
Lighting switch 2ND
Lighting switch
PASSING (Operates
only PASSING switch)
Approx. 1.2V
OFF
Approx. 7.0 - 7.5V
38 WIgnition switch
(ON) ON — Battery voltage
39 L CAN
H — — —
40 P CAN
L — — —
42 PBattery power
supplyOFF — Battery voltage
52 B Ground ON — Approx. 0V
55 WBattery power
supplyOFF — Battery voltage Terminal
No.Wire
colorSignal nameMeasuring condition
Reference value
Ignition
switchOperation or condition
PKIB4958J
PKIB4960J
PKIB4958J
PKIB4960J