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System Diagram

Fig 1: System Diagram - Meter / Gauge System (1 Of 4)
G04115357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: System Diagram - Meter / Gauge System (2 Of 4)
G04115358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: System Diagram - Meter / Gauge System (3 Of 4)
G04115359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: System Diagram - Meter / Gauge System (4 Of 4)
G04115360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

GATEWAY: 

GATEWAY COMMUNICATION SIGNAL CHART

Sender Receiver Communication Signal Communication Line
Gateway ECU Combination Meter Assembly Multiplex communication signal BEAN (Door Bus)

HINT:

CAN signals and AVC-LAN signals are transmitted to or received from the combination meter assembly through the gateway ECU.

BEAN: 

BEAN COMMUNICATION SIGNAL CHART

Sender Receiver Communication Signal Communication Line
Combination Meter Assembly
  • Gateway ECU
  • A/C Control ECU
  • Airbag Sensor Assembly Center
  • Sliding Roof ECU (*1)
  • Body ECU
  • AFS ECU (*2)
 Vehicle speed signal BEAN (Door Bus)
Combination Meter Assembly
  • Gateway ECU
  • Integration Control & Panel Assembly (*3)
 Trip information display signal BEAN (Door Bus)
Combination Meter Assembly
  • Gateway ECU
  • Body ECU
 Light control rheostat signal BEAN (Door Bus)
Combination Meter Assembly Integration Control & Panel Assembly (*3) Passenger side seat belt warning light signal BEAN (Door Bus)
Combination Meter Assembly
  • Gateway ECU
  • Body ECU
 Accumulation mileage signal BEAN (Door Bus)
Combination Meter Assembly
  • Gateway ECU
  • Body ECU
 Diagnosis tool signal BEAN (Door Bus)
A/C Control ECU Combination Meter Assembly Outside temperature signal BEAN (Door Bus)
Integration Control & Panel Assembly (*3) Combination Meter Assembly Trip information display operation signal BEAN (Door Bus)
Airbag Sensor Assembly Center Combination Meter Assembly Airbag signal BEAN (Door Bus)
Passenger side seat belt warning light signal BEAN (Door Bus)
Driver side seat belt warning light signal BEAN (Door Bus)
Diagnosis signal (Airbag) BEAN (Door Bus)
Sliding Roof ECU (*1) Combination Meter Assembly Sliding roof signal (for multi-display warning) BEAN (Door Bus)
Body ECU Combination Meter Assembly Ignition switch signal BEAN (Instrument Panel Bus)
Headlight/Taillight/Beam indicator light signal BEAN (Instrument Panel Bus)
Daytime/Nighttime signal BEAN (Instrument Panel Bus)
Door condition signal BEAN (Instrument Panel Bus)
Diagnosis tool signal BEAN (Instrument Panel Bus)
AFS ECU (*2) Combination Meter Assembly Adaptive Front-lighting System signal BEAN (Instrument Panel Bus)

CAN: 

CAN COMMUNICATION SIGNAL CHART

Sender Receiver Communication Signal Communication Line
Hybrid Vehicle Control ECU Combination Meter Assembly Engine coolant temperature signal CAN-BEAN
A/T shift condition signal CAN-BEAN
Engine oil pressure signal CAN-BEAN
Hybrid energy flow signal CAN-BEAN
Ready indicator light signal CAN-BEAN
Main battery warning indicator light signal CAN-BEAN
Fuel level signal CAN-BEAN
Electronic Power Steering ECU Combination Meter Assembly Electronic Power Steering indicator light signal CAN-BEAN
Electronic Power Steering diagnosis signal CAN-BEAN
ABS & Traction Actuator Assembly Combination Meter Assembly Electric Controlled Brake diagnosis signal CAN-BEAN
ABS diagnosis signal CAN-BEAN
VSC diagnosis signal CAN-BEAN
Parking brake switch signal CAN-BEAN
Each indicator light signal CAN-BEAN
Distance Control ECU (*4) Combination Meter Assembly Dynamic Laser Cruise Control signal CAN-BEAN

AVC-LAN: 

AVC-LAN COMMUNICATION SIGNAL CHART

Sender Receiver Communication Signal Communication Line
Combination Meter Assembly Multi-display (*5) Passenger seat belt warning light signal AVC-LAN-BEAN
Multi-display (*5) Combination Meter Assembly Trip information display operation signal AVC-LAN-BEAN

Direct Line: 

DIRECT LINE COMMUNICATION SIGNAL CHART

Sender Receiver Communication Signal Communication Line
Hybrid Vehicle Control ECU Combination Meter Assembly Check engine indicator light signal Direct Line
Engine revolution signal Direct Line
Turn Signal Flasher Combination Meter Assembly Turn LH/RH signal Direct Line
Washer Level Switch Combination Meter Assembly Washer level signal Direct Line
Headlight Beam Level Control ECU (*6) Combination Meter Assembly Headlight beam level signal Direct Line
Fuel Sender Gauge Assembly Combination Meter Assembly Fuel level signal Direct Line
ABS & Traction Actuator Assembly Combination Meter Assembly Vehicle speed signal (Input) Direct Line
Steering Pad Switch Combination Meter Assembly Multi-mode switch signal Direct Line
Light Control Rheostat Combination Meter Assembly ODO/TRIP switch signal Direct Line
Light control rheostat signal Direct Line
Tail cancel signal Direct Line
Hybrid Vehicle Control ECU Combination Meter Assembly Fuel lid A/B pin signal Direct Line
Power Meter Signal Direct Line
Combination Meter Assembly
  • Hybrid Vehicle Control ECU
  • Multi-Display (*5)
 Vehicle speed signal (Output) Direct Line
  1. *1: W/Sliding Roof control System
  2. *2: W/Adaptive Front-light System
  3. *3: W/O Navigation system
  4. *4: W/Dynamic Laser Cruise Control System
  5. *5: W/Navigation System
  6. *6: W/O Adaptive Front-Light System
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