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MAJOR COMPONENTS AND CONTROL SYSTEM
System Input Output
Remote control entry system
Remote keyless entry receiver
Key switch
All-door switch
All-door locking actuator
Turn signal lamp (LH, RH)
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 Ignition power supply Power window system
Power supply (BAT) to power window and
power seatBattery power supplyPower window system and power
seat
Panic alarm
Key switch
Remote keyless entry receiverIPDM E/R
Theft warning system
All-door switch
Remote keyless entry receiver
Power window main switch (door lock and
unlock switch)
IPDM E/R
Security indicator lamp
Exterior lamp battery saver control
Ignition switch
Combination switchIPDM E/R
Headlamp Combination switch IPDM E/R
Daytime light system
Engine status signal
Ignition switch
Combination switch
Parking brake signalIPDM E/R
Tail lamp Combination switch IPDM E/R
Turn signal lamp
Combination switch
Ignition switch
Turn signal lamp
Combination meter
Hazard lamp Hazard switch
Turn signal lamp
Combination meter
Room lamp timer
Key switch
Remote keyless entry receiver
Power window main switch (door lock and
unlock switch)
All-door switch
Interior room lamp
Map lamp
Key hole illumination
Interior lamp battery saver control
Ignition switch
Remote keyless entry receiver
All-door switchBCM
Key warning chime
Key switch
Front door switch driver sideCombination meter
(warning buzzer)
Light warning chime
Combination switch
Ignition switch
Front door switch driver sideCombination meter
(warning buzzer)
Seat belt warning chime
Combination meter [Seat belt buckle
(driver side) switch]
Ignition switchCombination meter
(warning buzzer)
Front wiper and washer system
Combination switch
Combination meter
Ignition switchIPDM E/R
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NOTE:
Coupe models
CAN Communication System DescriptionNKS0009O
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. Modern
vehicles are equipped with many electronic control units and each control unit shares information and links
with other control units during operation (not independent). In CAN communication, control units are con-
nected 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 UnitNKS0009P
Refer to LAN-48, "CAN System Specification Chart" .
Rear wiper and washer system NOTECombination switch
Ignition switchRear wiper motor
Rear window defogger
Rear window defogger switch
Ignition switchIPDM E/R
A/C switch signal Unified meter and A/C amp. ECM
Blower fan switch signal Unified meter and A/C amp. ECM
Low tire pressure warning system Remote keyless entry receiver Combination meterSystem Input Output
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SchematicNKS0009Q
COUPE MODELS
TKWT5775E
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TKWT4014E
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ROADSTER MODELS
TKWT5776E
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TKWT5777E
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CONSULT-III Function (BCM)NKS0009R
CONSULT-III can display each diagnostic item using the diagnostic test mode shown following.
ITEMS OF EACH PART
NOTE:
CONSULT-III displays systems equipped in the vehicle.
×: Applicable
NOTE:
This item is displayed, but should not be used.BCM diagnostic test item Check item, diagnostic test mode Content
Inspection by partWORK SUPPORT Changes setting of each function.
SELF-DIAG RESULTS BCM performs self-diagnosis of CAN communication.
DATA MONITOR Displays the input data of BCM in real time.
ACTIVE TEST Gives a drive signal to a load to check the operation.
CAN DIAG SUPPORT MNTRThe result of transmit/receive diagnosis of CAN com-
munication can be read.
ECU PART NUMBER BCM part number can be read.
System and item CONSULT-III displayDiagnostic test mode (Inspection by part)
WORK
SUPPORTSELF−
DIAG
RESULTSDATA
MONI-
TORCAN
DIAG
SUP-
PORT
MNTRACTIVE
TESTECU
PA RT
NUM-
BERCON-
FIGU-
RATION
BCM BCM×× × ×
×
NOTE
Power door lock system DOOR LOCK×××
Rear window defogger REAR DEFOGGER××
Warning chime BUZZER××
Room lamp timer INT LAMP×××
Remotecontrol entry system MULTI REMOTE ENT×××
Headlamp HEAD LAMP×××
Wiper WIPER×××
Turn signal lamp
Hazard lampFLASHER××
Blower fan switch signal
A/C switch signalAIR CONDITONER×
Combination switch COMB SW×
NVIS IMMU××
Interior lamp battery saver BATTERY SAVER×× ×
Trunk lid TRUNK××
Vehicle security system THEFT ALM×××
Retained power control RETAINED PWR×××
Oil pressure switch SIGNAL BUFFER
×
NOTE×
Low tire pressure warning
system AIR PRESSURE
MONITOR××× ×
Panic alarm system PANIC ALARM×
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WORK SUPPORT
Display Item List
CAN Communication Inspection Using CONSULT-III (Self-Diagnosis)NKS0009S
1. SELF-DIAGNOSIS RESULT CHECK
Contents displayed
No malfunction>>INSPECTION END
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to
LAN-48, "
CAN System Specification Chart" .
Item Description
RESET SETTING VALUE Return a value set with WORK SUPPORT of each system to a default value in factory shipment.
CONSULT-III display code Diagnosis item
U1000INITIAL DIAG
TRANSMIT DIAG
ECM
IPDM E/R
METER / M&A
