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System Diagram [05/2013 - ]

  1. CAN SIGNAL 
    Fig 1: Identifying CAN Signal System Diagram
    GTY313069Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. DIRECT LINE SIGNAL 
    1. Combination Meter Assembly
      Fig 2: Identifying Direct Line Signal System Diagram
      GTY311766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY 
    1. Meter or Gauge
      Meter or Gauge Communication Signal Sender Communication Line Receiver
      Speedometer Vehicle speed Skid control ECU CAN Combination meter assembly
      Tachometer Engine speed ECM CAN Combination meter assembly
      Fuel receiver gauge Fuel level Fuel sender gauge assembly Direct line Combination meter assembly
    2. Warning or Indicator
      Warning or Indicator Communication Signal Sender Communication Line Receiver
      Turn indicator light Turn indicator Turn signal flasher Direct line Combination meter assembly
      Charge warning light Charge warning light Generator Direct line Combination meter assembly
      Open door warning light Each door courtesy switch Main body ECU CAN Combination meter assembly
      ABS warning light ABS warning light Skid control ECU CAN Combination meter assembly
      Brake warning light Brake warning light Skid control ECU CAN Combination meter assembly
      Parking brake switch Main body ECU CAN
      Brake fluid level Brake fluid level warning switch Direct line
      MIL (Malfunction Indicator Lamp) MIL (Malfunction Indicator Lamp) ECM Direct line Combination meter assembly
      VSC OFF indicator light VSC OFF indicator Skid control ECU CAN Combination meter assembly
      Slip indicator light Slip indicator Skid control ECU CAN Combination meter assembly
      HEAD indicator light*1 Head indicator light Headlight dimmer switch assembly Direct line Combination meter assembly
      Tail indicator light*2 Taillight TAIL relay Direct line Combination meter assembly
      High beam indicator light High beam indicator light Headlight dimmer switch assembly Direct line Combination meter assembly
      Seat belt warning light Driver side seat belt buckle switch (Front seat inner belt assembly LH) Main body ECU CAN Combination meter assembly
      Passenger side seat belt buckle switch (Front seat inner belt assembly RH) Center airbag sensor assembly CAN Combination meter assembly
      Occupant detection signal Center airbag sensor assembly CAN Combination meter assembly
      SRS warning light SRS warning light Center airbag sensor assembly CAN Combination meter assembly
      Tire pressure warning light*3 Tire pressure warning light Tire pressure warning ECU Direct line Combination meter assembly
      Cruise set indicator light*4 Cruise set indicator ECM CAN Combination meter assembly
      Cruise indicator light*4 Cruise main indicator ECM CAN Combination meter assembly
      Eco driving indicator light*5 Ecology lamp indicator ECM CAN Combination meter assembly
      Fuel level warning light Fuel level Fuel sender gauge assembly Direct line Combination meter assembly
      Engine coolant temperature warning light Engine coolant temperature ECM CAN Combination meter assembly
      Engine coolant temperature indicator (COOL) Engine coolant temperature ECM CAN Combination meter assembly
      Washer level warning light*6 Washer level warning light Level warning switch Direct line Combination meter assembly
      Smart key indicator light*7 Smart key indicator Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Oil pressure warning light Oil pressure warning Engine oil pressure switch Direct line Combination meter assembly
      A/T OIL TEMP indicator light A/T OIL TEMP indicator ECM CAN Combination meter assembly
      TRAC OFF indicator light TRAC OFF indicator Skid control ECU CAN Combination meter assembly
      MAINT REQD indicator light*8 MAINT REQD indicator Combination meter assembly - Combination meter assembly
      EPS warning light EPS warning light Power steering ECU assembly CAN Combination meter assembly
      • *1: w/o Daytime Running Light
      • *2: w/ Daytime Running Light
      • *3: w/ Tire Pressure Warning System
      • *4: w/ Cruise Control
      • *5: for Automatic Transaxle
      • *6: w/ Washer Level Warning Light
      • *7: w/ Smart Key System
      • *8: w/ MAINT REQD Indicator Light
    3. ODO/TRIP Meter
      ODO/TRIP Meter Communication Signal Sender Communication Line Receiver
      ODO/TRIP ODO signal Skid control ECU CAN Combination meter assembly
      Average fuel consumption Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Skid control ECU CAN
      ODO
      Outside temperature Outside temperature Thermistor assembly (Ambient temperature sensor) Direct line Combination meter assembly
    4. Buzzer
      Buzzer Communication Signal Sender Communication Line Receiver
      Sliding roof open warning*1 Sliding roof open warning buzzer request Main body ECU CAN Combination meter assembly
      Shift down reject buzzer*2 Shift down reject buzzer ECM CAN Combination meter assembly
      Driving with any door opened warning buzzer Vehicle speed Skid control ECU CAN Combination meter assembly
      Each door courtesy switch Main body ECU
      PKB-ON driving warning buzzer Parking brake switch Main body ECU CAN Combination meter assembly
      Vehicle speed Skid control ECU CAN
      Smart key buzzer*3 Smart key buzzer request Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Seat belt warning buzzer Driver side seat belt buckle switch (Front seat inner belt assembly LH) Main body ECU CAN Combination meter assembly
      Passenger side seat belt buckle switch (Front seat inner belt assembly RH) Center airbag sensor assembly CAN
      Occupant detection signal Center airbag sensor assembly CAN
      Shift position R signal*2 ECM CAN
      Vehicle speed Skid control ECU CAN
      EPS buzzer EPS warning light Power steering ECU assembly CAN Combination meter assembly
      Light reminder buzzer TAIL relay TAIL relay Direct line Combination meter assembly
      Front door courtesy switch LH Main Body ECU CAN Combination meter assembly
      Key reminder buzzer*4 Front door courtesy switch LH Main Body ECU CAN Combination meter assembly
      Ignition switch Main Body ECU CAN
      Engine immobiliser certification buzzer Certification complete Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      • *1: w/ Sliding Roof System
      • *2: for Automatic Transaxle
      • *3: w/ Smart Key System
      • *4: w/o Smart Key System
    5. 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 ECM
      TCM*1
      Power source control ECU*2
      Tire pressure warning ECU*3
      • *1: for Automatic Transaxle
      • *2: w/ Smart Key System
      • *3: w/ Tire Pressure Warning System
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