2005 INFINITI FX35 alarm
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BCS-8
BCM (BODY CONTROL MODULE)
Revision: 2005 July 2005 FX
SYSTEMS CONTROLLED BY BCM DIRECTLY
NOTE:
Power supply only. No system control.
SYSTEMS CONTROLLED BY BCM AND IPDM E/R
SYSTEMS CONTROLLED BY BCM AND COMBINATION METER
SYSTEMS CONTROLLED BY BCM AND INTELLIGENT KEY UNIT
System Reference
Power door lock BL-21, "
POWER DOOR LOCK SYSTEM"
Remote keyless entryBL-56, "REMOTE KEYLESS ENTRY SYSTEM"
Power window NOTEGW-15, "POWER WINDOW SYSTEM"
Sunroof NOTERF-10, "SUNROOF"
Room lamp timerLT-159, "INTERIOR ROOM LAMP"
Warning chimeDI-58, "WARNING CHIME"
Rear wiperWW-38, "REAR WIPER AND WASHER SYSTEM"
Low tire pressure warning systemWT-7, "LOW TIRE PRESSURE WARNING SYSTEM"
System Reference
Panic alarm BL-56, "
REMOTE KEYLESS ENTRY SYSTEM"
Theft warningBL-186, "VEHICLE SECURITY (THEFT WARNING) SYSTEM"
IVIS (NATS)BL-213, "IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)"
HeadlampLT- 7 , "HEADLAMP - XENON TYPE -"
LT- 3 9 , "DAYTIME LIGHT SYSTEM"
Auto light systemLT- 5 5 , "AUTO LIGHT SYSTEM"
Parking, license plate and tail lamps
Battery saver control LT-129, "PARKING, LICENSE PLATE AND TAIL LAMPS"
Front fog lamp
LT- 7 9 , "FRONT FOG LAMP"
Front wiperWW-4, "FRONT WIPER AND WASHER SYSTEM"
Rear window defoggerGW-86, "REAR WINDOW DEFOGGER"
System Reference
Warning chime DI-58, "
WARNING CHIME"
Turn signal and hazard warning lampsLT- 9 1 , "TURN SIGNAL AND HAZARD WARNING LAMPS"
Daytime running lightLT- 3 9 , "DAYTIME LIGHT SYSTEM"
System Reference
Intelligent Key BL-89, "
INTELLIGENT KEY SYSTEM"
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BCM (BODY CONTROL MODULE) BCS-9
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MAJOR COMPONENTS AND CONTROL SYSTEM
System Input Output
Remote control entry system key fob
All-door locking actuator
Turn signal lamp (LH, RH)
Intelligent key system Intelligent key unit
All-door locking actuator
Fuel lid Lock actuator
Turn signal lamp (LH, RH)
Combination meter
Power door lock system
Power window main switch
(door lock and unlock switch)
Power window sub switch (passenger side)
(door lock and unlock switch) All-door locking actuator
Power supply (IGN) to power window, sunroof Ignition power supply Power window and sunroof system
Power supply (BAT) to power window, sunroof
and power seat Battery power supply
Power window, sunroof system and
power seat
Panic alarm
Key switch
Key fob IPDM E/R
Theft warning system
All-door switch
Hood switch
Key fob
Power window main switch (door lock and
unlock switch)
IPDM E/R
Security indicator lamp
Auto light system
Optical sensor
Combination switch IPDM E/R
Battery saver control
Ignition switch
Combination switch IPDM E/R
Headlamp Combination switch IPDM E/R
Daytime system
Combination meter
ECM Clearance lamp
Tail lamp Combination switch IPDM E/R
Front fog lamp Combination switch IPDM E/R
Turn signal lamp Combination switch
Turn signal lamp
Combination meter
Hazard lamp Hazard switch
Turn signal lamp
Combination meter
Room lamp timer
Key switch
key fob
Power window main switch (door lock and
unlock switch)
Front door switch driver side
All-door switch Interior room lamp
Key warning chime
Key switch
Front door switch driver side Combination meter
(warning buzzer)
Light warning chime
Combination switch
Front door switch driver side Combination meter
(warning buzzer)
Seat belt warning chime
Combination meter (Seat belt buckle
(driver side) switch)
Ignition switch Combination meter
(warning buzzer)
Page 813 of 4731
BCS-14
BCM (BODY CONTROL MODULE)
Revision: 2005 July 2005 FX
4. Select the desired part to be diagnosed on the “SELECT TEST
ITEM” screen.
ITEMS OF EACH PART
NOTE:
CONSULT-II displays systems equipped in the vehicle.
× :Applicable
NOTE:
*1: This item is displayed, but should not be used.
*2: This item is displayed, but does not function.
PKIA5226E
System and item CONSULT-II display Diagnostic test mode (Inspection by part)
WORK
SUPPORT SELF
−
DIAG
RESULTS DATA
MONI-
TOR CAN
DIAG SUP-
PORT
MNTR ACTIVE
TEST ECU
PA R T
NUM- BER CON-
FIGU-
RATION
BCM BCM ×× × ×
×
*1
Power door lock system DOOR LOCK ×××
Rear window defogger REAR DEFOGGER ××
Warning chime BUZZER ××
Room lamp timer INT LAMP ×××
Headlamp HEAD LAMP ×××
Wiper WIPER ×××
Turn signal lamp
Hazard lamp FLASHER
××
Blower fan switch signal
A/C switch signal AIR CONDITONER
×
Intelligent Key system INTELLIGENT KEY ×
Combination switch COMB SW ×
IVIS IMMU ××
Room lamp battery saver BATTERY SAVER ×× ×
Trunk lid TRUNK
*2××
Vehicle security system THEFT ALM ×××
Retained power control RETAINED PWR ×××
Oil pressure switch SIGNAL BUFFER ××
Low tire pressure warning
system AIR PRESSURE
MONITOR ×××
Panic system PANIC ALARM ×
Page 817 of 4731
BL-2Revision: 2005 July 2005 FX
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) .......................................................... ... 42
CHECK BACK DOOR SWITCH ....................... ... 44
Check Key Switch ................................................ ... 46
Check Door Lock and Unlock Switch .................. ... 48
Check Door Lock Actuator (Driver Side) .............. ... 50
Check Door Lock Actuator (Passenger Side and
Rear LH/RH) ........................................................ ... 51
Check Fuel Lid Opener Actuator ......................... ... 52
Check Front Door Key Cylinder Switch (Lock) .... ... 53
Check Front Door Key Cylinder Switch (Unlock) . ... 54
Check Select Unlock Relay Circuit ...................... ... 55
REMOTE KEYLESS ENTRY SYSTEM .................. ... 56
Component Parts and Harness Connector Location ... 56
System Description .............................................. ... 57
INPUTS ............................................................ ... 57
OPERATED PROCEDURE .............................. ... 58
CAN Communication System Description ........... ... 59
CAN Communication Unit .................................... ... 59
Schematic ............................................................ ... 60
Wiring Diagram — KEYLES— ............................. ... 61
FIG. 1 ................................................................ ... 61
FIG. 2 ................................................................ ... 62
FIG. 3 ................................................................ ... 63
Terminals and Reference Value for BCM ............. ... 64
Terminals and Reference Value for IPDM E/R ..... ... 65
CONSULT-II Function (BCM) ............................... ... 66
CONSULT-II INSPECTION PROCEDURE ....... ... 66
CONSULT-II APPLICATION ITEMS ................. ... 67
Work Flow ............................................................ ... 69
Trouble Diagnosis Chart by Symptom ................. ... 70
Check Key Fob Battery and Function .................. ... 72
Check ACC Switch .............................................. ... 73
Check Door Switch .............................................. ... 74
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) .......................................................... ... 74
CHECK BACK DOOR SWITCH ....................... ... 76
Check Key Switch ................................................ ... 78
Check Remote Keyless Entry Receiver ............... ... 79
Check IPDM E/R Operation ................................. ... 82
Check Hazard Warning Lamp Function ............... ... 83
Check Horn Function ........................................... ... 83
Check Headlamp Function .................................. ... 83
Check Map Lamp and Ignition Keyhole Illumination
Function ............................................................... ... 83
ID Code Entry Procedure .................................... ... 84
KEY FOB ID SET UP WITH CONSULT-II ........ ... 84
KEY FOB ID SET UP WITHOUT CONSULT-II . ... 86
Removal and Installation of Remote keyless Entry
receiver ................................................................ ... 87
REMOVAL ........................................................ ... 87
INSTALLATION ................................................. ... 87
Key Fob Battery Replacement ............................. ... 88
INTELLIGENT KEY SYSTEM ................................ ... 89
Component Parts and Harness Connector Location ... 89
System Description .............................................. ... 91
DOOR LOCK FUNCTION ................................ ... 91
REMOTE CONTROL ENTRY FUNCTIONS ..... ... 92
ENGINE STARTUP FUNCTION ....................... ... 93 WARNING AND ALARM FUNCTION ...............
... 94
CHANGE SETTINGS FUNCTION .................... ... 97
INTELLIGENT KEY REGISTRATION ............... ... 97
STEERING LOCK UNIT REGISTRATION ........ ... 97
CAN Communication System Description ........... ... 98
CAN Communication Unit .................................... ... 98
Schematic ............................................................ ... 99
Wiring Diagram — I/KEY— .................................. .101
Terminals and Reference Value for INTELLIGENT
KEY UNIT ............................................................ .114
Terminals and Reference Value for Steering Lock
unit ....................................................................... .116
Terminals and Reference Value for BCM ............. .116
Terminals and Reference Value for IPDM E/R ..... .117
Diagnosis Procedure ............................................ .118
WORK FLOW ................................................... .118
CONSULT-II Functions ........................................ .119
CONSULT-II Inspection Procedure ...................... .119
BASIC OPERATION ......................................... .119
CONSULT-II Application Items ............................. .120
WORK SUPPORT ............................................ .120
SELF-DIAGNOSTIC RESULTS ........................ .120
DATA MONITOR ............................................... .120
ACTIVE TEST ................................................... .121
List of Operation Related Parts ............................ .122
Trouble Diagnosis Symptom Chart ...................... .123
ALL FUNCTIONS OF THE INTELLIGENT KEY
ARE NOT OPERATING .................................... .123
REMOTE CONTROL ENTRY FUNCTION MAL-
FUNCTION ....................................................... .123
DOOR LOCK FUNCTION MALFUNCTION ...... .124
ENGINE START FUNCTION MALFUNCTION . .125
WARNING CHIME FUNCTION MALFUNCTION .125
Check CAN Communication System Inspection .. .128
Check Intelligent Key Unit Power Supply and
Ground Circuit ...................................................... .129
Check Key Switch (Intelligent Key Unit Input) ...... .129
Check Key Switch (BCM Input) ............................ .131
Check Ignition Knob Switch ................................. .132
Check Door Switch .............................................. .133
CHECK DOOR SWITCH (EXCEPT BACK DOOR
SWITCH) ........................................................... .133
CHECK BACK DOOR SWITCH ........................ .134
Check Unlock Sensor .......................................... .136
Check Door Request Switch ................................ .137
Check Intelligent Key Warning Buzzer ................. .139
Check Outside Key Antenna ................................ .140
Check Inside Key Antenna ................................... .143
Check Steering Lock Unit ..................................... .144
Check Stop Lamp Switch ..................................... .146
Check Detention Switch ....................................... .147
Check Select Unlock Relay .................................. .149
Check Hazard Function ....................................... .150
Check Horn Function ........................................... .150
Check Headlamp Function ................................... .150
Check IPDM E/R Operation ................................. .150
Removal and Installation of Intelligent Key Unit ... .151
REMOVAL ......................................................... .151
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INSTALLATION ................................................
. 151
Intelligent Key Battery Replacement ................... . 152
INTELLIGENT KEY BATTERY INSPECTION .. . 152
DOOR .................................................................... . 153
Fitting Adjustment ............................................... . 153
FRONT DOOR ................................................. . 153
REAR DOOR ................................................... . 153
STRIKER ADJUSTMENT ................................ . 154
Removal and Installation of Front Door ............... . 154
REMOVAL ........................................................ . 154
INSTALLATION ................................................ . 155
Removal and Installation of Rear Door ............... . 155
REMOVAL ........................................................ . 155
INSTALLATION ................................................ . 156
Removal and Installation of Door Weatherstrip ... . 156
REMOVAL ........................................................ . 156
INSTALLATION ................................................ . 156
FRONT DOOR LOCK ............................................ . 157
Removal and Installation ..................................... . 157
REMOVAL ........................................................ . 157
INSTALLATION ................................................ . 159
Disassembly and Assembly ................................ . 160
DOOR KEY CYLINDER ASSEMBLY ............... . 160
REAR DOOR LOCK .............................................. . 161
Removal and Installation ..................................... . 161
REMOVAL ........................................................ . 161
INSTALLATION ................................................ . 163
BACK DOOR ......................................................... . 164
Fitting Adjustment ............................................... . 164
VERTICAL/LATERAL CLEARANCE ADJUST-
MENT ............................................................... . 164
Back Door Assembly ........................................... . 164
REMOVAL ........................................................ . 164
INSTALLATION ................................................ . 165
INSPECTION ................................................... . 165
Removal and Installation of Back Door Striker .... . 165
REMOVAL ........................................................ . 165
INSTALLATION ................................................ . 165
Removal and Installation of Back Door Stay ....... . 166
REMOVAL ........................................................ . 166
INSTALLATION ................................................ . 166
Removal and Installation of Dave Tail Male &
Female ................................................................ . 166
REMOVAL ........................................................ . 166
INSTALLATION ................................................ . 167
Removal and Installation of Back Door Weatherstrip . 167
REMOVAL ........................................................ . 167
INSTALLATION ................................................ . 167
BACK DOOR LOCK ASSEMBLY ......................... . 168
Removal and Installation of Back Door Lock & Clo-
sure Assembly ..................................................... . 168
REMOVAL ........................................................ . 168
INSTALLATION ................................................ . 168
INSPECTION ................................................... . 168
Removal and Installation of Back Door Opener
Switch .................................................................. . 168
REMOVAL ........................................................ . 168 INSTALLATION ................................................
.169
Disassembly and Assembly ................................. .169
BACK DOOR LOCK & CLOSURE ASSEMBLY .169
BACK DOOR AUTO CLOSURE SYSTEM ............ .170
Component Parts and Harness Connector Location .170
System Description .............................................. .170
CLOSE OPERATION ....................................... .170
NON-OPERATION CONDITION ...................... .170
OPEN OPERATION ......................................... .171
Wiring Diagram — B/CLOS — ............................ .172
Terminals and Reference Value for Back Door Clo-
sure Control Unit .................................................. .174
Work Flow ............................................................ .175
Preliminary Check ............................................... .175
Trouble Diagnosis Chart by Symptom ................. .175
Back Door Closure Control Unit Power Supply and
Ground Circuit Check .......................................... .176
Half-Latch Switch Check ..................................... .176
Close Switch Check ............................................. .178
Open Switch Check ............................................. .179
Back Door Opener Switch Check (With Intelligent
Key) ..................................................................... .180
Back Door Opener Switch Check (Without Intelli-
gent Key) ............................................................. .182
Unlock Sensor Check (Without Intelligent Key) ... .184
Closure Motor Check ........................................... .185
Removal and Installation of Back Door Closer Con-
trol Unit ................................................................ .185
VEHICLE SECURITY (THEFT WARNING) SYSTEM .186
Component Parts and Harness Connector Location .186
System Description .............................................. .188
DESCRIPTION ................................................. .188
POWER SUPPLY ............................................. .189
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM .................................................................. .189
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION ............................................................... .190
VEHICLE SECURITY SYSTEM DEACTIVATION .190
PANIC ALARM OPERATION ........................... .190
CAN Communication System Description ........... .191
CAN Communication Unit .................................... .191
Schematic ............................................................ .192
Wiring Diagram -VEHSEC- .................................. .193
Terminals and Reference Value for BCM ............ .198
Terminals and Reference Value for IPDM E/R .... .199
CONSULT-II Function (BCM) .............................. .200
CONSULT-II APPLICATION ITEM ................... .201
Trouble Diagnosis ................................................ .202
WORK FLOW ................................................... .202
Preliminary Check ............................................... .203
Trouble Diagnosis Symptom Chart ...................... .204
Diagnostic Procedure 1 ....................................... .205
1 – 1 DOOR SWITCH CHECK ......................... .205
1 – 2 HOOD SWITCH CHECK ......................... .207
1 – 3 BACK DOOR SWITCH CHECK .............. .209
Diagnostic Procedure 2 ....................................... .211
SECURITY INDICATOR LAMP CHECK .......... .211
Diagnostic Procedure 3 ....................................... .212
FRONT DOOR KEY CYLINDER SWITCH
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BL-4Revision: 2005 July 2005 FX
CHECK .............................................................
.212
Diagnostic Procedure 4 ....................................... .212
VEHICLE SECURITY HORN ALARM CHECK . 212
Diagnostic Procedure 5 ....................................... .212
VEHICLE SECURITY HEADLAMP ALARM
CHECK ............................................................. .212
Diagnostic Procedure 6 ....................................... .212
DOOR LOCK AND UNLOCK SWITCH CHECK .212
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ..................................................................... .213
Component Parts and Harness Connector Location .213
System Description .............................................. .214
DESCRIPTION ................................................. .214
SECURITY INDICATOR ................................... .214
System Composition ............................................ .215
ECM Re-Communicating Function ...................... .215
Wiring Diagram – NATS – .................................... .216
MODELS WITH INTELLIGENT KEY SYSTEM . 216
MODELS WITHOUT INTELLIGENT KEY SYS-
TEM .................................................................. .218
Terminals and Reference Value for Steering Lock
Unit/with Intelligent Key System .......................... .219
Terminals and Reference Value for Intelligent Key
Unit/with Intelligent Key System .......................... .219
Terminals and Reference Value for BCM ............. .220
CONSULT-II ......................................................... .221
CONSULT-II INSPECTION PROCEDURE ....... .221
CONSULT-II DIAGNOSTIC TEST MODE FUNC-
TION ................................................................. .222
HOW TO READ SELF-DIAGNOSTIC RESULTS .222
NATS SELF-DIAGNOSTIC RESULT ITEM
CHART ............................................................. .223
Diagnosis Procedure ........................................... .224
WORK FLOW ................................................... .224
Trouble Diagnosis Symptom Chart ...................... .225
Security Indicator Inspection ............................... .225
Diagnostic Procedure 1 ....................................... .226
Diagnostic Procedure 2 ....................................... .227
Diagnostic Procedure 3 ....................................... .228
Diagnostic Procedure 4 ....................................... .229
Diagnostic Procedure 5 ....................................... .230
Diagnostic Procedure 6 ....................................... .231
Diagnostic Procedure 7 ....................................... .233
Removal and Installation NATS Antenna Amp. ... .234
REMOVAL ........................................................ .234
INSTALLATION ................................................. .234 INTEGRATED HOMELINK TRANSMITTER ..........
.235
Wiring Diagram —TRNSCV— ............................. .235
Trouble Diagnoses ............................................... .236
DIAGNOSTIC PROCEDURE ............................ .236
BODY REPAIR ....................................................... .238
Body Exterior Paint Color ..................................... .238
Body Component Parts ........................................ .239
UNDERBODY COMPONENT PARTS .............. .239
BODY COMPONENT PARTS ........................... .241
Corrosion Protection ............................................ .243
DESCRIPTION ................................................. .243
ANTI-CORROSIVE WAX .................................. .244
UNDERCOATING ............................................. .245
STONE GUARD COAT ..................................... .246
Body Sealing ........................................................ .247
DESCRIPTION ................................................. .247
Body Construction ................................................ .250
BODY CONSTRUCTION .................................. .250
Body Alignment .................................................... .251
BODY CENTER MARKS .................................. .251
PANEL PARTS MATCHING MARKS ................ .252
DESCRIPTION ................................................. .253
ENGINE COMPARTMENT ............................... .254
UNDERBODY ................................................... .256
PASSENGER COMPARTMENT ....................... .258
REAR BODY ..................................................... .260
Handling Precautions For Plastics ....................... .262
HANDLING PRECAUTIONS FOR PLASTICS . .262
LOCATION OF PLASTIC PARTS ..................... .263
Precautions In Repairing High Strength Steel ...... .265
HIGH STRENGTH STEEL (HSS) USED IN NIS-
SAN VEHICLES ................................................ .265
Replacement Operations ..................................... .268
DESCRIPTION ................................................. .268
HOODLEDGE ................................................... .271
FRONT SIDE MEMBER ................................... .273
FRONT SIDE MEMBER (PARTIAL REPLACE-
MENT) ............................................................... .275
FRONT PILLAR ................................................ .277
CENTER PILLAR .............................................. .279
OUTER SILL ..................................................... .281
REAR FENDER ................................................ .283
REAR PANEL ................................................... .285
REAR END CROSSMEMBER .......................... .287
REAR FLOOR REAR ........................................ .289
REAR SIDE MEMBER EXTENSION ................ .292
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REMOTE KEYLESS ENTRY SYSTEM BL-57
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System DescriptionAIS004MB
INPUTS
Power is supplied at all times
to BCM terminal 55
through 50A fusible link (letter M , located in the fuse and fusible link box).
to BCM terminal 42
through 15A fuse (No. 22, located in the fuse and fusible link box).
When the key switch is ON (key is inserted in ignition key cylinder), power is supplied
to BCM terminal 37
through key switch terminal 1 and 2
through 15A fuse (No. 22, located in the fuse and fusible link box).
When the ignition switch is ACC or ON, power is supplied
to BCM terminal 11
through 10A fuse [No. 6, located in the fuse block (J/B)].
When the ignition switch is ON or START, power is supplied
to BCM terminal 38
through 15A fuse [No. 1, located in the fuse block (J/B)].
When the front door switch (driver side) is ON (door is OPEN), ground is supplied
to BCM terminal 62
through front door switch (driver side) terminal 1
through front door switch (driver side) case ground.
When the front door switch (passenger side) is ON (door is OPEN), ground is supplied
to BCM terminal 12
through front door switch (passenger side) terminal 1
through front door switch (passenger side) case ground.
When the rear door switch LH is ON (door is OPEN), ground is supplied
to BCM terminal 63
through rear door switch LH terminal 1
through rear door switch LH case ground.
When the rear door switch RH is ON (door is OPEN), ground is supplied
to BCM meter terminal 13
through rear door switch RH terminal 1
through rear door switch RH case ground.
When the back door switch is ON (door is open), ground is supplied
to BCM terminal 58
through back door closure motor (door switch) terminals 7 and 8
through body grounds B15 and B45
Key fob signal is inputted to remote keyless entry receiver (the antenna of the system is built in remote keyless
entry receiver).
to BCM terminal 20
from remote keyless entry system controls operation of the
The remote keyless entry system controls operation of the
power door lock
hazard and horn reminder
auto door lock
panic alarm
keyless power window down (open)
room lamp and key ring illumination
Page 874 of 4731
REMOTE KEYLESS ENTRY SYSTEM BL-59
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Refer to AV- 6 0 , "SETTING SCREEN" . (without navigation system)
Refer to AV- 9 4 , "
Vehicle Electronic Systems" . (with navigation system)
Panic Alarm Operation
When key switch is OFF (when ignition key is not inserted in key cylinder), BCM turns on and off horn and
headlamp intermittently with input of PANIC ALARM signal from key fob.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from key fob.
Panic alarm operation mode can be changed using “PANIC ALARM SET” mode in “WORK SUPPORT”.
Refer to BL-68, "
Work Support" .
For detailed description, refer to BL-186, "
VEHICLE SECURITY (THEFT WARNING) SYSTEM" .
Keyless Power Window Down (Open) Operation
When key fob unlock switch is turned ON with ignition switch OFF, and key fob unlock switch is detected to be
on continuously for 3 seconds, the driver's door and passenger's door power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the key fob unlock switch is
pressed.
Keyless power window down operation mode can be changed using “PW DOWN SET” mode in “WORK SUP-
PORT”. Refer to BL-68, "
Work Support"
Room Lamp and Ignition Key Ring Illumination Operation
When the following conditions come:
condition of interior lamp switch is DOOR position;
door switch OFF (when all the doors are closed);
Remote keyless entry system turns on interior lamp (for 30 seconds) with input of UNLOCK signal from key
fob. For detailed description, refer to LT- 1 5 9 , "
INTERIOR ROOM LAMP" .
CAN Communication System DescriptionAIS004MC
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 UnitAIS004RM
Refer to LAN-30, "CAN COMMUNICATION" .