Toyota Venza manuals

Toyota Venza: System Diagram

SYSTEM DIAGRAM

1. CAN SIGNAL


2. DIRECT LINE SIGNAL

(a) Combination Meter Assembly


(b) Accessory Meter Assembly


3. INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER ASSEMBLY OR ACCESSORY METER ASSEMBLY

(a) Meter or Gauge

Meter or Gauge

Communication Signal

Sender

Communication Line

Receiver

Speedometer

Vehicle speed

Skid Control ECU

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Tachometer

Engine speed

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Fuel receiver gauge

Fuel level

Fuel Sender Gauge Assembly

Direct Line

Combination Meter Assembly

Engine coolant temperature receiver gauge

Engine coolant temperature

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

ODO/TRIP meter

Drive monitor switch

Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch)

Direct Line

Combination Meter Assembly

Meter illumination

Illumination level

Light Control Rheostat Knob

-

Combination Meter Assembly

Auto dimmer

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Tail cancel

Combination Meter Assembly

CAN (CAN No. 1 Bus)

Main Body ECU (Driver Side Junction Block Assembly)

Illumination level

  • *1: w/o Multi-information Display
  • *2: w/ Multi-information Display

(b) Warning or Indicator

Warning or Indicator

Communication Signal

Sender

Communication Line

Receiver

High beam indicator light

High beam indicator light

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Turn indicator light

Turn indicator light

Turn Signal Flasher

Direct Line

Combination Meter Assembly

Fuel level warning light

Fuel level

Fuel Sender Gauge Assembly

Direct Line

Combination Meter Assembly

Brake warning light

Brake warning light

Skid Control ECU

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Brake fluid level

Brake Fluid Level Warning Switch

Direct Line

SRS warning light

SRS warning light

Center Airbag Sensor Assembly

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Open door warning light

Each door courtesy switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Oil pressure warning light

Oil pressure

Oil Pressure Switch

Direct Line

Combination Meter Assembly

Charge warning light

Charge warning light

Generator

Direct Line

Combination Meter Assembly

MIL (Check engine warning light)

MIL (Check engine warning light)

ECM

Direct Line

Accessory Meter Assembly

Driver side seat belt warning light

Driver side seat belt buckle switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

ABS warning light

ABS warning light

Skid Control ECU

CAN (CAN No. 1 Bus)

Combination Meter Assembly

EPS warning light

EPS warning light

Power Steering ECU

CAN (CAN No. 1 Bus)

Accessory Meter Assembly

Front fog indicator light

Front fog light

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Headlight leveling indicator light*1

Headlight leveling indicator

Combination Meter Assembly

Direct Line

Headlight Leveling Assembly ECU

Automatic high beam indicator light*2

Automatic high beam indicator light

Combination Meter Assembly

CAN (CAN No. 1 Bus)

Main Body ECU (Driver Side Junction Block Assembly)

Cruise SET indicator light

Cruise SET indicator light

Combination Meter Assembly

CAN (CAN No. 1 Bus)

ECM

Tail indicator light

Taillight

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Slip indicator light

Slip indicator light

Skid Control ECU

Direct Line

Accessory Meter Assembly

Cruise indicator light

Cruise indicator light

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Shift position indicator

Shift position

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Passenger airbag ON/OFF indicator light

Passenger airbag ON/OFF indicator light

Accessory Meter Assembly

Direct Line

Center Airbag Sensor Assembly

AWD warning light*5

AWD warning light

Accessory Meter Assembly

Direct Line

Combination Meter Assembly

Washer level warning light

Washer level warning light

Accessory Meter Assembly

Direct Line

Combination Meter Assembly

Key indicator light*3

Key indicator light

Accessory Meter Assembly

Direct Line

Certification ECU (Smart Key ECU Assembly)

Security indicator light

Security indicator light

Accessory Meter Assembly

Direct Line

Transponder Key ECU Assembly*4

Certification ECU (Smart Key ECU Assembly)*3

VSC OFF indicator light

VSC OFF indicator light

Accessory Meter Assembly

Direct Line

Combination Meter Assembly

Slip indicator light

Slip indicator light

Accessory Meter Assembly

Direct Line

Combination Meter Assembly

TRAC OFF indicator light

TRAC OFF indicator light

Accessory Meter Assembly

Direct Line

Combination Meter Assembly

Front passenger side seat belt warning light

Front passenger side seat belt buckle switch

Center Airbag Sensor Assembly

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Front passenger side seat belt warning light

Combination Meter Assembly

Direct Line

Accessory Meter Assembly

Master warning light*6

Each system warning

Combination Meter Assembly

Direct Line

Accessory Meter Assembly

Tire pressure warning light

Tire pressure warning light

Tire Pressure Warning ECU

Direct Line

Combination Meter Assembly

  • *1: w/ Automatic Type Headlight Beam Level Control
  • *2: w/ Automatic High Beam System
  • *3: w/ Smart Key System
  • *4: w/o Smart Key System
  • *5: for AWD
  • *6: w/ Multi-information Display

(c) Multi-information Display

Multi-information Display

Communication Signal

Sender

Communication Line

Receiver

Outside temperature

Outside temperature

Air Conditioning Amplifier

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Average fuel consumption

Engine speed

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Fuel injection

Vehicle speed

Skid Control ECU

CAN (CAN No. 1 Bus)

Drive monitor switch

Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch)

Direct Line

Average vehicle speed

Vehicle speed

Combination Meter Assembly

CAN (CAN No. 1 Bus)

Skid Control ECU

Engine speed

ECM

Drive monitor switch

Direct Line

Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch)

Driving time

Engine speed

Combination Meter Assembly

CAN (CAN No. 1 Bus)

ECM

Drive monitor switch

CAN (CAN No. 1 Bus)

Drive Monitor Switch (RESET H*1 or SELECT RESET*2 Switch)

Current fuel consumption

Engine speed

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Fuel injection

Vehicle speed

Skid Control ECU

CAN (CAN No. 1 Bus)

Total driving distance

Driving range

Engine speed

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Fuel injection

Vehicle speed

Skid Control ECU

CAN (CAN No. 1 Bus)

Total driving distance

Fuel level

Fuel Sender Gauge Assembly

Direct Line

Diagnosis code

Diagnosis code

Skid Control ECU

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Open door warning

Each door courtesy switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Steeling lock warning*3

Steeling lock warning

Certification ECU (Smart Key ECU Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Multi-information display change

Drive monitor switch

Drive Monitor Switch (INFO CLOCK*1 or INFO*2 Switch)

Direct Line

Combination Meter Assembly

Driving with parking brake unreleased

Parking brake switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Vehicle speed

Skid Control ECU

Direct Line

  • *1: w/o Multi-information Display
  • *2: w/ Multi-information Display
  • *3: w/ Smart Key System

(d) Buzzer

Buzzer

Communication Signal

Sender

Communication Line

Receiver

Key reminder buzzer

Driver side door courtesy switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Ignition switch

Shift down reject buzzer

Shift position

ECM

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Seat belt warning buzzer

Driver side seat belt buckle switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Front passenger side seat belt buckle switch

Center Airbag Sensor Assembly

CAN (CAN No. 1 Bus)

Shift position R signal

ECM

CAN (CAN No. 1 Bus)

Vehicle speed

Skid Control ECU

Direct Line

Vehicle speed

CAN (CAN No. 1 Bus)

Driving with any door opened warning buzzer

Vehicle speed

Skid Control ECU

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Each door courtesy switch

Main Body ECU (Driver Side Junction Block Assembly)

Smart key warning request buzzer*1

Ignition switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Driving with parking brake unreleased warning buzzer

Parking brake switch

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

Vehicle speed

Skid Control ECU

CAN (CAN No. 1 Bus)

Sliding roof open warning buzzer

Sliding roof open warning buzzer request

Main Body ECU (Driver Side Junction Block Assembly)

CAN (CAN No. 1 Bus)

Combination Meter Assembly

  • *1: w/ Smart Key System

(e) Others

Signal

Communication Signal

Sender

Communication Line

Receiver

Vehicle speed signal

Vehicle speed

Skid Control ECU

Direct Line

Combination Meter Assembly

Vehicle speed

Combination Meter Assembly

Direct Line

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Precaution
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