1. Body Electrical MPX (Multiplex Communication System) Lighting-W -Q -V -_
Body Electrical
MPX (Multiplex Communication System)
Lighting
Combination Meter
Air Conditioning
Multi Display and Navigation System
Power Window System
Door Lock Control System
Wireless Door Lock Remote Control
Immobiliser System
Theft Deterrent System
SRS Airbag System
Accessories

2. Body Electrical MPX (Multiplex Communication System) Body Bus -W -Q -V-_
Body Electrical
MPX (Multiplex Communication System)
Body Bus
: BEAN
: Serial Communication
*1: Except -_
*2: England only
Front Passenger
Door ECU *1
Rear RH
Door ECU *1
Double
Lock ECU *2
Theft
Deterrent
ECU
Body ECU
Driver
Door ECU *1
Rear LH
Door ECU *1

3. Body Electrical MPX (Multiplex Communication System) Body ECU-W -Q -V -_
Body Electrical
MPX (Multiplex Communication System)
Body ECU
Body ECU controls the following systems and functions
Body ECU
Daytime Running Light System白天灯光
Automatic Light Control System自动灯光系统
Door Lock Control system门锁控制系统
Wireless Door Lock Remote Control System
无线门锁遥控系统
Interior Light Control 内部灯光控制
Warning Control警告系统
Customize定制

4. Body Electrical MPX (Multiplex Communication System)-W
Body Electrical
MPX (Multiplex Communication System)
Instrument Panel Bus
: BEAN
: AVC-LAN
: Optional Equipment
Gateway
ECU
A/C
ECU
Multi Display
ECU
Gateway ECU for data convert between BEAN and AVC-LAN

5. Headlight (High/Low Beam)-Q -V -_
Body Electrical
Lighting
Headlight
Turn Signal Light
Headlight (High/Low Beam)
Clearance Light

6. Point Illumination for speedometer and tachometer-W -Q -V -_
Body Electrical
Combination Meter
General
LEDs are used for illumination to save electrical power
Optitron type
Analog type
Point Illumination for speedometer and tachometer
(Red Light)

7. Body Electrical Combination Meter Step Motor-W -Q -V -_
Body Electrical
Combination Meter
Step Motor
Step motor type indicator movement is used on all gauges to realize compact construction
Step Motor Type
Cross Coil Type
Level Sensor
Step Motor
Cross Coil

8. Body Electrical Combination Meter Level Sensor-W -Q -V -_
Body Electrical
Combination Meter
Level Sensor
A level sensor is provided in the combination meter to detect the inclination of the vehicle
Level Sensor
Fuel Sender
Meter ECU
Vehicle Speed Signal
Fuel Gauge (Receiver Gauge)
Level sensor detects horizontal condition
-Horizontal: fuel gauge sensor signal used
-Not horizontal : keep the same level
-Continues not horizontal : decrease indication 6km / liter at driving and decrease 555 micro liter / sec at idling
-Not horizontal more than 30 min. : indicate sensor output signal value
-Initialization is needed after meter change etc.
Engine Speed Signal
Combination Meter
For –W: “1/1” to “R” indication

9. Body Electrical Combination Meter Fuel Gauge (with dual tank system)-Q -V -_
Body Electrical
Combination Meter
Fuel Gauge (with dual tank system)
The “90L” indicator indicates the scale of fuel gauge
180L
90L
The “90L” indicator OFF
(F = 180L)
The “90L” indicator ON
(F = 90L)

10. Fuel Capacity (Main and Sub)-Q -V -_
Body Electrical
Combination Meter
Fuel Gauge (with dual tank system)
Indication of fuel gauge
No indicator change F
3/4
Fuel Gauge
1/2
1/4 E
85L
110L
180L
Fuel Capacity (Main and Sub)

11. Reference Combination Meter Fuel Gauge (with dual tank system)-Q -V -_
Reference
Combination Meter
Fuel Gauge (with dual tank system)
Fuel sender
Meter ECU
Fuel Gauge
Combination Meter
Fuel Sender
Fuel Sender
Main Tank
Sub Tank

12. Body Electrical Combination Meter Speed Warning System-V -_
Body Electrical
Combination Meter
Speed Warning System
A speed warning system is used for the G.C.C. countries to comply with the regulations
Vehicle Speed
120 km/h
6 sec.
Sound
6 sec. or more
Buzzer
OFF
Speed Warning Light
Blink
OFF

13. Body Electrical Air Conditioner General-W -Q -V -_
Body Electrical
Air Conditioner
General
Two types of air conditioner are adopted
Automatic Air Conditioner
Manual Air Conditioner

14. Body Electrical Air Conditioner Main Components -W -Q -V -_ Engine
Sub-cool Condenser
Compact, Lightweight, Low-noise Compressor
Straight Flow Aluminum Heater Core
Engine
RS (Revolutionary Slim) Evaporator
Semi-center Unit

15. Body Electrical Air Conditioner Evaporator-W -Q -V -_
Body Electrical
Air Conditioner
Evaporator
Compact, lightweight and high efficient
RS (Revolutionary Slim) Evaporator is used
Tube
Slim body (58mm to 38mm)
Cooling Fin
38mm

16. Body Electrical Air Conditioner Clean Air Filter -W -Q -V -_

17. Body Electrical Air Conditioner Rear Air Conditioning-W -Q -V -_
Body Electrical
Air Conditioner
Rear Air Conditioning
Dial type rear heater control panel
(Automatic Air Conditioner type)
自动空调控制开关

18. Setting temperature of front air conditioning-W -Q -V -_
Body Electrical
Air Conditioner
Rear Air Conditioning
Setting temperature of rear automatic air conditioning
Setting temperature of front air conditioning
-5°C
+5°C - +

19. Cool Box Switch & Indicator-Q -V -_
Body Electrical
Air Conditioner
Cool Box
Cool box is optional equipment
Cool Box Switch & Indicator

20. Body Electrical Air Conditioner Cool Box System diagram -Q -V -_
Blower Motor
Cool Box
Thermistor
Cool Box Switch
Cool Box
Amplifier
A/C ECU
(A/C Amplifier)
Condenser
Magnet
Clutch
Magnet
Valve
Expansion
Valve
Evaporator (for front A/C)
Expansion
Valve
Evaporator (for cool box)
Check Valve

21. The temperature of cool box-Q -V -_
Body Electrical
Air Conditioner
Cool Box
Operation (Front A/C: OFF)
Cool Box Switch “ON” ON
Compressor
OFF
2°C
3°C
The temperature of cool box

22. Body Electrical Confidential Air Conditioner Cool Box-Q -V -_
Body Electrical
Confidential
Air Conditioner
Cool Box
Magnet valve opens or closes the passage to the front evaporator
Magnet Valve
ON = Open
OFF = Close
Cool Box ON
OFF
Front A/C
Open (65sec.)
Close (14sec.)
Open
Close
to Front A/C
to Cool Box

23. PTC heaters built into heater core-W
Body Electrical
Air Conditioner
Power Heater (1KD-FTV)
Viscous type power is used for cold area spec. model
PTC heater is used for cold area spec. with manual transmission model
PTC Heaters
Viscous type power heater
PTC heaters built into heater core

24. Body Electrical Multi Display and Navigation System General-W
Body Electrical
Multi Display and Navigation System
General
7.0 inch LCD screen with pressure sensitive touch panel
DVD voice navigation

25. The multi display default is LEXUS model-W
Service Point
Multi Display and Navigation System
Discrimination
After battery disconnection etc, turns ignition switch from ON to OFF twice to discriminates the multi display to model
When the multi display is changed
IG:
OFF
IG:
OFF
IG: ON (1st time)
IG: ON (2nd time)
IG: ON (3rd time)
When the battery terminal is disconnected
-For Navi screen is commonly used for LEXUS and TOYOTA
-Default :LEXUS
-Application model : Prado (GX470) Land Cruiser100 (LX470)
IG:
OFF
IG:
OFF
IG: ON (1st time)
IG: ON (2nd time)
IG: ON (3rd time)
The multi display default is LEXUS model

26. Park/Neutral Position Switch
Body Electrical
Multi Display and Navigation System
System Diagram
Radio and Player
CD Changer
Audio
Amplifier
Front Speaker
(Driver Side)
AVC-LAN
Gateway ECU
BEAN
A/C ECU
GPS Antenna
Navigation ECU
RGB Signal
Multi Display
DVD-ROM
Park/Neutral Position Switch
Parking Brake Switch
Combination Meter

27. Body Electrical Multi Display and Navigation System-W
Body Electrical
Multi Display and Navigation System
Multi Display Functions
Audio screen display
Air conditioning screen display
Navigation screen display
Adjustment screen display
Diagnosis screen display

28. Body Electrical Power Window System General-Q -V
Body Electrical
Power Window System
General
All door has one-touch auto up/down with jam protection function
ALL AUTO
(for 5-door model)
(for 3-door model)

29. Body Electrical Power Window System Operation-Q -V
Body Electrical
Power Window System
Operation
Two hall ICs are used as position sensor
(Limit switch is discontinued)
Magnet
Hall IC1
Worm Gear
Hall IC2
Power Window Motor

30. Body Electrical Power Window System Operation-Q -V
Body Electrical
Power Window System
Operation
Detects window position by pulse count
Detects window movement direction by the difference of pulse phase
Motor one rotation
Hi and Low
Hi and Hi Hi Hi
Hall IC1
Hall IC1
Low
Low Hi Hi
Two signals are used for direction detection
Hall IC2
Hall IC2
Low
Low
Window “Down”
Window “Up”

31. Service Point Power Window System Initialize-Q -V
Service Point
Power Window System
Initialize
Initialize window position of each doors when power supply of power window switch is cut off 1. 2. 3.
Operate the power window switch in auto-up position, and full close the window
Ignition Switch “ON”
After closing window, maintain the auto-up position of power window switch during 1 sec.
Full Close
Auto
Power window switch
Switch illumination blinking
Switch illumination not blinking

32. Body Electrical Confidential Power Window System Operation-Q -V
Body Electrical
Confidential
Power Window System
Operation
Jam-protection function operate threshold level is 2-staged to cope with Europe regulation
Full Close mm
Threshold Level: 90N
3 mm Full Open
Threshold Level: 80N

33. Body Electrical Confidential Power Window System Operation-Q -V
Body Electrical
Confidential
Power Window System
Operation
When running rough road, the threshold level of jam-protection function is up to prevent in correct operation
Threshold Level: 80N
Normal
Operation
Cycle is random
Threshold Level: 90N
ECU accepts random signal
Rough Road
Operation

34. Body Electrical Door Lock Control System Double Locking System-W
Body Electrical
England only
Door Lock Control System
Double Locking System
System diagram
Door Lock Motor
(Each Door)
Wireless Door Lock Receiver
Double Locking Motor (Each Door)
Body ECU
Theft Deterrent ECU
Double Lock ECU
B E A N

35. Door Lock Control Receiver-W -Q -V -_
Body Electrical
Wireless Door Lock Remote Control System
General
STD: 1GR-FE, 1KD-FTV
OPT: 3RZ-FE (Unleaded/Leaded), 1KZ-TE, 5L-E
Serial Data Link
Door Lock Control Receiver
Body ECU
Hazard Warning Light
Door Lock Motor
(Each Door)
Transmitter

36. Transponder Key Amplifier-W -Q -V -_
Body Electrical
Immobiliser System
General
The transponder key ECU and engine ECU is separated
Spark Plug
Transponder Chip
Key Cylinder
DLC3
Communication
Transponder
Key ECU
Engine ECU
Ignition Key
Transponder Key Coil
Transponder Key Amplifier
Indicator Light
Injector

37. Body Electrical Theft Deterrent System General
STD: England, Brazil, Argentina -W -Q -V -_
Body Electrical
Theft Deterrent System
General
Self power siren and intrusion sensor are used for Europe models
Ignition Switch
Theft Deterrent ECU
Door Courtesy门开关
Door Lock Motor门锁电机
Engine Hood Courtesy Switch机盖锁开关
Headlight
etc.
BEAN
Key unlock Warning Switch
钥匙未锁开关
Body ECU车身电脑
Security Indicator安全指示灯
Engine ECU
Self Power Siren *1
独立驱动报警器
Vehicle Horn
车辆喇叭
Intrusion Sensor *1
闯入传感器
Security Horn *2
防盗喇叭
*1: Europe Models
*2: Except Europe Models

38. Body Electrical Theft Deterrent System Intrusion Sensor-W
Body Electrical
Theft Deterrent System
Intrusion Sensor
This sensor can be turned OFF by pressing the OFF switch
Microphone
OFF Switch

39. Body Electrical SRS Airbag System General -W -Q -V -_
Driver and front passenger dual-stage airbag + front side and curtain shield airbag
Driver and front passenger dual-stage airbag
None -W
OPT
STD - -Q -V -_
Dual-stage
for front and rear No.1 seat

40. The extent of the initial collision can be detected in detail-W -Q -V -_
Body Electrical
Collision
SRS Airbag System
Front airbag sensor
The electronic type front airbag sensor is used
GX 470
Conventional Model
Electrical type
Mechanical type
Output
Collision Intensity
Collision Intensity
Output
Electronic satellite sensor is newly adopted and it detects collision force linearly
The extent of the initial collision can be detected in detail

41. Impact of Frontal Collision-W -Q -V -_
Body Electrical
SRS Airbag System
Front Airbag Deployment
Airbag Sensor Assembly
Electric G Sensor ON
Electric Safing Sensor ON
Front Airbag
Impact of Frontal Collision
Front Airbag Sensor

42. Body Electrical SRS Airbag System Dual-stage SRS Airbag-W -Q -V -_
Body Electrical
SRS Airbag System
Dual-stage SRS Airbag
Full/staged inflation condition
Driver Side Deployment Condition
Impact of Frontal Collision
Seat Slide Position
Seat Belt Wearing Condition
Passenger Side Deployment Condition
Dual stage airbag for both on driver and front passenger seats
Impact of Frontal Collision

43. Body Electrical SRS Airbag System-W -Q -V -_
Body Electrical
SRS Airbag System
Side & Curtain Shield Airbag Deployment
Side and Curtain Shield Airbag Sensor Assembly
Side Airbag
Electric G sensor ON
Curtain Shield Airbag
Electric Safing Sensor ON
Curtain Shield Airbag Sensor Assembly
Electric G sensor ON
Electric Safing Sensor ON
Curtain Shield Airbag

44. Airbag Sensor Assembly-W -Q -V -_
Body Electrical
SRS Airbag System
Control (for 1GR-FE, 3RZ-FE [Unleaded])
Airbag sensor assembly transmits the airbag deployment signal to engine ECU
Airbag Sensor Assembly
Fuel Cut
Engine ECU M
Fuel Pump
Airbag is deployed

45. Airbag Sensor Assembly-W -Q -V -_
Body Electrical
SRS Airbag System
SRS Warning Light
An active circuit is used in the SRS warning light circuit in order to illuminate the light when there is an open or short circuit in the wiring harness
Combination Meter
Airbag Sensor Assembly
Airbag Warning Light +B ON
OFF
CPU

46. Airbag Sensor Assembly-W -Q -V -_
Reference
SRS Airbag System
SRS Warning Light
Conventional model, the airbag warning light is not illuminates when there is an open circuit in the wiring harness
Combination Meter
Airbag Sensor Assembly
Airbag Warning Light
OFF ON
CPU

47. Passenger Airbag Assembly-W -Q -V -_
Body Electrical
SRS Airbag System
Passenger Airbag Assembly
Passenger airbag door is invisible
Passenger Airbag Assembly

48. Power slide type with jam protection function-Q -V -_
Body Electrical
Accessories
Sliding Roof
This system is optional equipment
Power slide type with jam protection function
Deflector

49. Sliding Roof ECU滑动天窗电脑-W -Q -V -_
Body Electrical
Accessories
Sliding Roof
System Diagram
Buzzer
Moon Roof Control Switch
Sliding Roof ECU滑动天窗电脑
Body ECU
Wireless Door Lock Receiver
Moon Roof Motor
BEAN
Driver Door ECU
Driver Door Lock
Switch
Combination Meter

50. Body Electrical Accessories Sliding Roof-W -Q -V -_
Body Electrical
Accessories
Sliding Roof
Two hall ICs are used as position sensor
(same as power window motor)
Motor one rotation
Hi and Low
Hi and Hi Hi Hi
Hall IC1
Hall IC1
Low
Low Hi Hi
Hall IC is used instead of position detection switch
Hall IC2
Hall IC2
Low
Low
Roof “Tilt-down” or “Slide open”
Roof “Tilt-up” or “Slide close”

51. Service Point Accessories Sliding Roof-W -Q -V -_
Service Point
Accessories
Sliding Roof
Initialize sliding roof position when power supply of sliding roof motor assembly is cut off
Operate the tilt-up switch, and full close the sliding roof
After closing the sliding roof, maintain the pressing the tilt-up switch of during 1 sec.
The sliding roof open automatically
After battery disconnection etc., initialization is needed to memorizing the initial position
If not initialized, auto open / close function is inactivated

52. Slide Open Switch or Tilt Up Switch-Q -V -_
Body Electrical
Accessories
Sliding Roof
Manual operation
Slide Open Switch or Tilt Up Switch
Push
Automatic Operation
Manual Operation
Time
More than 300 m sec. switch operation : sliding roof operates in automatic operation
0 sec.
300 ms

53. Body Electrical Accessories Sliding Roof-W -Q -V -_
Body Electrical
Accessories
Sliding Roof
The deflector height is controlled in order to reduce the wind noise
Deflector
Vehicle speed sensing automatic height adjust function.
-Low speed : high position
-High speed : low position to minimize wind noise
Deflector: High
Deflector: Low

54. Sliding roof is full open-W -Q -V -_
Body Electrical
Accessories
Sliding Roof
When sliding roof is full open, the deflector is controlled in accordance with vehicle speed
Sliding roof is full open
High
Deflector Height
Low
Approx. 70 km
Approx. 90 km
Vehicle Speed

55. *: with jam-protection function-Q -V -_
Body Electrical
Accessories
Sliding Roof
Sliding roof motor drives sliding roof glass and deflector
Driver Operation
Sliding ECU Operation
Tilt-down*
Slide Open
Deflector High
Full Tilt-up
Full Close
Full Open
Deflector Low
Deflector High
One motor operation makes deflector height adjust function
Tilt-up
Slide Close*
Deflector Low*
Motor operation
*: with jam-protection function

56. Body Electrical Accessories Cruise Control System-W -Q -V -_
Body Electrical
Accessories
Cruise Control System
This system is optional equipment for 1GR-FE, 1KD-FTV and 1KZ-TE models
Cruise Control Switch巡航控制开关
Engine ECU
(Cruise control ECU is integrated)
Throttle Control Motor节气门控制电机
Stop Light Switch
Combination Meter
(Vehicle Speed)组合仪表（车速）
Cruise Indicator Light巡航指示灯
Park/Neutral Position Switch (AT)
P/N开关
Clutch Switch (MT)离合器开关

57. Power Seat Switch (8-way)-Q -V -_
Body Electrical
Accessories
Power Seat
The 8-way type power seat is optional equipment
Power Seat Switch (8-way)

58. Body Electrical Accessories Seat Heater-W -V -_
Body Electrical
Accessories
Seat Heater
Seat heater on front seat is optionally equipped
Seat Heater Switch

59. Pressing the MODE switch-V -_
Body Electrical
Accessories
Accessory Meter
Pressing the MODE switch
Fuel Consumption
Driving Time
Drivable Distance
Barometer
(Unit: 200 m)
Average Vehicle Speed
Barometer
(Unit: 50 m)
Atmospheric Pressure

60. Body Electrical Accessories Multi Information Display -W -Q -V -_
Pressing the MODE switch
Ambient Temp. Display
Driving Time
Average Fuel Consumption
Barometer
Instant Fuel Consumption
Atmospheric Pressure
Drivable Distance
Average Vehicle Speed

61. Body Electrical Accessories Outside Rearview Mirror-Q -V -_
Body Electrical
Accessories
Outside Rearview Mirror
Electrical remote control type mirror (STD)
Electrical retractable mirror (OPT for –W, -V, -_)
Mirror heater(OPT for –W)

62. Body Electrical Accessories Headlight Cleaner-W
Body Electrical
Accessories
Headlight Cleaner
The pop-up type headlight cleaner is used
Headlight Cleaner

63. Thank you