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System Diagram

Fig 1: Meter/Gauge System Diagram (1 Of 4)
G05204512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Meter/Gauge System Diagram (2 Of 4)
G05204513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Meter/Gauge System Diagram (3 Of 4)
G05204514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Meter/Gauge System Diagram (4 Of 4)
G05204515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

GATEWAY 

GATEWAY - COMMUNICATION REFERENCE 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 REFERENCE 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
 Vehicle speed signal BEAN (Door Bus)
Combination Meter Assembly
  • Gateway ECU
  • Integration Control & Panel Assembly ((2))
 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 ((2)) 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 ((2)) 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)
(1) w/ Sliding Roof Control System
(2) w/o Navigation System

CAN 

CAN - COMMUNICATION REFERENCE 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

AVC-LAN 

AVC-LAN - COMMUNICATION REFERENCE CHART

Sender Receiver Communication Signal Communication Line
Combination Meter Assembly Multi-display ((1)) Passenger seat belt warning light signal AVC-LAN-BEAN
Multi-display ((1)) Combination Meter Assembly Trip information display operation signal AVC-LAN-BEAN
(1) w/ Navigation System

Direct Line 

DIRECT LINE - COMMUNICATION REFERENCE 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
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
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 ((1))
 Vehicle speed signal (Output) Direct Line
(1) w/ Navigation System
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