METER / GAUGE SYSTEM SYSTEM DIAGRAM


  1. CAN SIGNAL

    A01FGQXE02
    A01FGY4E02
    A01FEQ0E03
    A01FES9E03
    A01FEBZE03
    A01FDHDE05
    A01FFZ2E01
    A01FH2VE01

  2. DIRECT LINE SIGNAL

    A01FEFFE01

  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 Brake actuator assembly (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
      No. 2 fuel sender gauge assembly
      Vehicle speed Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Fuel injection ECM
      Engine coolant temperature receiver gauge Engine coolant temperature ECM CAN Combination meter assembly

    2. Warning or Indicator

      Warning or Indicator Communication Signal Sender Communication Line Receiver
      Turn indicator light Turn signal switch Windshield wiper switch assembly Direct line Combination meter assembly
      Hazard warning signal switch Multi-media module receiver assembly
      Hazard answer-back Main body ECU CAN
      Turn signal light operation Combination meter assembly Direct line Turn signal lights
      Front fog indicator light*1 Front fog indicator light Main body ECU CAN Combination meter assembly
      Rear fog indicator light*2 Rear fog indicator light Main body ECU CAN Combination meter assembly
      High beam indicator light High beam indicator light Main body ECU CAN Combination meter assembly
      Taillight indicator light Taillight Main body ECU CAN Combination meter assembly
      Open door warning light Each door courtesy switch Main body ECU CAN Combination meter assembly
      Front seat belt warning light Driver side and passenger side seat belt buckle switch Main body ECU CAN Combination meter assembly
      SRS warning light SRS warning light Center airbag sensor assembly CAN Combination meter assembly
      Master warning light Each system warning Each system ECU CAN Combination meter assembly
      MIL MIL ECM Direct line Combination meter assembly
      Charge warning light Charge warning light Generator assembly Direct line Combination meter assembly
      ECM CAN
      EPS warning light EPS warning light Power steering ECU assembly CAN Combination meter assembly
      AFS OFF indicator light*3 AFS OFF indicator light Headlight swivel ECU assembly CAN Combination meter assembly
      Brake warning light Brake warning light Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Brake fluid level Brake fluid level warning switch Direct line
      Parking brake warning light Parking brake warning light Parking brake ECU assembly Direct line Combination meter assembly
      EPB*/ECB* warning light EPB*/ECB* warning light Parking brake ECU assembly Direct line Combination meter assembly
      Cruise indicator light Cruise indicator light ECM CAN Combination meter assembly
      Cruise warning
      Radar cruise indicator light*5 Cruise main indicator (Constant vehicle speed mode) ECM CAN Combination meter assembly
      Cruise main indicator (Vehicle-to-vehicle distance control mode)
      SET indicator light Cruise set indicator light ECM CAN Combination meter assembly
      Clearance sonar indicator light*5 Clearance sonar indicator light Clearance warning ECU assembly CAN Combination meter assembly
      Fuel level warning light Fuel level Fuel sender gauge assembly Direct line Combination meter assembly
      No. 2 fuel sender gauge assembly
      ABS warning light ABS warning light Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Slip indicator light Slip indicator light Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      VSC OFF indicator light VSC OFF indicator light Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      PCS warning light*6 PCS warning light Seat belt control ECU CAN Combination meter assembly
      LKA indicator light*7 LKA indicator light Driving support ECU assembly CAN Combination meter assembly
      Automatic high beam indicator light*8 Automatic high beam indicator light Main body ECU CAN Combination meter assembly
      Tire pressure warning light*9 Tire pressure warning light Main body ECU CAN Combination meter assembly

      • EPB*: Electro-mechanical Parking Brake

      • ECB*: Electronically Controlled Brake System

      • *1: w/ Front Fog Light

      • *2: w/ Rear Fog Light

      • *3: w/ AFS

      • *4: w/ Dynamic Radar Cruise Control System

      • *5: w/ LEXUS Parking Assist-sensor System

      • *6: w/ Pre-crash Safety System

      • *7: w/ Lane-keeping Assist System

      • *8: w/ Automatic High Beam System

      • *9: w/ Tire Pressure Warning System

    3. Multi-information Display

      Multi-information Display Communication Signal Sender Communication Line Receiver
      Outside temperature Outside temperature Air conditioning amplifier assembly CAN Combination meter assembly
      Current fuel consumption Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Brake actuator assembly (Skid control ECU)
      ODO
      Average fuel consumption after refueling Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Brake actuator assembly (Skid control ECU)
      ODO
      Average fuel consumption Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Brake actuator assembly (Skid control ECU)
      ODO
      Average vehicle speed Engine speed ECM CAN Combination meter assembly
      Vehicle speed Brake actuator assembly (Skid control ECU)
      ODO
      Driving range Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Engine variation
      ODO Brake actuator assembly (Skid control ECU)
      Fuel level Fuel sender gauge assembly Direct line
      Tire pressure*1 Tire pressure level Main body ECU CAN Combination meter assembly
      Eco driving indicator zone display Eco driving indicator zone display level ECM CAN Combination meter assembly
      Rheostat Rheostat Trip switch Direct line Combination meter assembly
      ODO/TRIP meter ODO signal Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      ODO/TRIP change TRIP switch Direct line Combination meter assembly
      TRIP reset
      AWD Test Mode display*2 AWD test mode display 4WD ECU assembly CAN Combination meter assembly
      VGRS Test Mode display*3 VGRS test mode display Front steering control ECU CAN Combination meter assembly
      DRS Test Mode display*3 DRS test mode display Rear steering control ECU CAN Combination meter assembly
      Adjusting LKA Camera display*4 Adjusting LKA camera display Driving support ECU assembly CAN Combination meter assembly
      Adjusting Front Radar Beam display*5 Adjusting front radar beam display Driving support ECU assembly CAN Combination meter assembly
      Checking Cruise Control C/D display*5 Checking cruise control C/D display ECM CAN Combination meter assembly
      Checking Cruise Control Brake display*5 Checking cruise control C/D display ECM CAN Combination meter assembly
      Brake! display*6 Brake display Driving support ECU assembly CAN Combination meter assembly
      Brake Malfunction display Brake malfunction display Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Open door message Each door courtesy switch Main body ECU CAN Combination meter assembly
      Clearance warning*7 Clearance warning Clearance warning ECU assembly CAN Combination meter assembly
      Check Park Sonar System display*7 Check park sonar system display Clearance warning ECU assembly CAN Combination meter assembly
      Clean Park Sonar display*7 Clean park sonar display Clearance warning ECU assembly CAN Combination meter assembly
      Auto Power OFF to Conserve Battery display Battery Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Shift to P position display Shift to P position display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Check Power Steering System display Check power steering system display Power steering ECU assembly CAN Combination meter assembly
      Release Parking Brake display Release parking brake display Parking brake ECU assembly CAN Combination meter assembly
      To park the vehicle, shift to P position display To park the vehicle, shift to P position display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Key not detected display Key not detected display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      LKA canceled Keep hands on steering wheel display*4 LKA canceled keep hands on steering wheel display Driving support ECU assembly CAN Combination meter assembly
      Parking Brake Overheat display Parking brake overheat display Parking brake ECU assembly CAN Combination meter assembly
      Check SRS Airbag System display Check SRS airbag system display Center airbag sensor assembly CAN Combination meter assembly
      Check ABS display Check ABS display Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Engine Overheat display Engine overheat display ECM CAN Combination meter assembly
      Clean Radar Sensor display*5 Clean radar sensor display ECM CAN Combination meter assembly
      Cruise Control not available display*5 Cruise control not available display ECM CAN Combination meter assembly
      LKA not available display*4 LKA not available display Driving support ECU assembly CAN Combination meter assembly
      1st Gear not available due to slippery road surface display 1st gear not available due to slippery road surface display ECM CAN Combination meter assembly
      Check Access System with Elec. Key display Check access system with elec. Key display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      BSM not available display*8 BSM not available display Blind spot monitor sensor CAN Combination meter assembly
      Check Cruise Control System display Check cruise control system display ECM CAN Combination meter assembly
      Check LKA System display*4 Check LKA system display Driving support ECU assembly CAN Combination meter assembly
      Check PCS System display*6 Check PCS system display Driving support ECU assembly CAN Combination meter assembly
      Check BSM System display*8 Check BSM system display Blind spot monitor sensor CAN Combination meter assembly
      Engine Oil pressure Low display Engine oil pressure low display Engine oil pressure switch assembly Direct line Combination meter assembly
      Transmission Fluid High temperature display Transmission fluid high temperature display ECM CAN Combination meter assembly
      Check AWD System display*2 Check AWD system display 4WD ECU assembly CAN Combination meter assembly
      Check VGRS System display*3 Check VGRS system display Front steering control ECU CAN Combination meter assembly
      Check DRS System display*3 Check DRS system display Rear steering control ECU CAN Combination meter assembly
      Parking Brake Inoperable display Parking brake inoperable display Parking brake ECU assembly CAN Combination meter assembly
      Check Parking Brake System display Check parking brake system display Parking brake ECU assembly CAN Combination meter assembly
      Turn power OFF display Turn power off display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Key detected in vehicle display Key detected in vehicle display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Turn Light Off display Turn light off display Main body ECU CAN Combination meter assembly
      Moon Roof opened display*9 Moon roof opened display Main body ECU CAN Combination meter assembly
      Window opened display Window opened display Main body ECU CAN Combination meter assembly
      Window/Moon Roof opened display*9 Window/moon roof opened display Main body ECU CAN Combination meter assembly
      Depress brake pedal, touch engine switch with key display Depress brake pedal, touch engine switch with key display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Depress brake pedal and push engine switch to start display Depress brake pedal and push engine switch to start display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Shift to P to start display Shift to P to start display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Steering Lock active display Steering lock active display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      The Parking Brake has been automatically locked display The parking brake has been automatically locked display Parking brake ECU assembly CAN Combination meter assembly
      Key Battery Low display Key battery low display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Check Headlight Leveling System display Check headlight leveling system display Headlight swivel ECU assembly CAN Combination meter assembly
      Check AFS display*11 Check AFS display Headlight swivel ECU assembly CAN Combination meter assembly
      Engine Oil Level Low message Oil level Engine oil level sensor Direct line Combination meter assembly
      Engine coolant temperature ECM CAN
      Check AHB System display*10 Check AHB system display Main body ECU CAN Combination meter assembly
      Washer Fluid Low display Washer fluid low display Level warning switch assembly Direct line Combination meter assembly
      Fuel Low display Fuel low display Fuel sender gauge assembly Direct line Combination meter assembly
      No. 2 fuel sender gauge assembly
      TRC OFF display TRC off display Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Maintenance required soon display Maintenance required soon display ECM CAN Combination meter assembly
      Maintenance required display Maintenance required display ECM CAN Combination meter assembly
      Turn on the high beam to activate AHB System display*11 Turn on the high beam to activate AHB system display Main body ECU CAN Combination meter assembly
      Resetting Maintenance Data display Resetting maintenance data display ECM CAN Combination meter assembly
      Resetting of Maintenance Data incomplete display Resetting of maintenance data incomplete display ECM CAN Combination meter assembly
      POWER ON display Power on display Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      PCS temporarily not available display*6 PCS temporarily not available display Seat belt control ECU CAN Combination meter assembly
      Theft Sensor OFF display Theft sensor off display Main body ECU CAN Combination meter assembly
      Theft Sensor ON display Theft sensor on display Main body ECU CAN Combination meter assembly

      • *1: w/ Tire Pressure Warning System

      • *2: for AWD

      • *3: w/ Variable Gear Ratio Steering System

      • *4: w/ Lane-keeping Assist System

      • *5: w/ Dynamic Radar Cruise Control System

      • *6: w/ Pre-crash Safety System

      • *7: w/ LEXUS Parking Assist-sensor System

      • *8: w/ Blind Spot Monitor System

      • *9: w/ Sliding Roof

      • *10: w/ Automatic High Beam System

      • *11: w/ AFS

    4. Buzzer

      Buzzer Communication Signal Sender Communication Line Receiver
      Smart key warning buzzer Engine switch Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Engine immobiliser certification buzzer Certification complete Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Dynamic radar cruise control low speed cancel buzzer*1 Dynamic radar cruise control low speed cancel buzzer ECM CAN Combination meter assembly
      Seat belt warning buzzer Driver side seat belt buckle switch Main body ECU CAN Combination meter assembly
      Front passenger side occupant detection switch condition Front passenger side occupant detection switch Direct line
      Front passenger side seat belt buckle switch condition Front passenger side seat belt buckle switch
      Shift position P signal ECM CAN
      Shift position R signal
      Vehicle speed Brake actuator assembly (Skid control ECU)
      VSC buzzer VSC buzzer Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      PKB-ON driving warning buzzer Parking brake switch Main body ECU CAN Combination meter assembly
      Vehicle speed Brake actuator assembly (Skid control ECU) CAN
      Driving with any door opened warning buzzer Vehicle speed Brake actuator assembly (Skid control ECU) CAN Combination meter assembly
      Each door courtesy switch Main body ECU
      Sports shift reject buzzer Sports shift reject buzzer ECM CAN Combination meter assembly
      EPS buzzer EPS buzzer Power steering ECU assembly CAN Combination meter assembly
      LKA buzzer*2 LKA buzzer Driving support ECU assembly CAN Combination meter assembly

      • *1: w/ Dynamic Radar Cruise Control System

      • *2: w/ Lane-keeping Assist System

    5. Others

      Signal Communication Signal Sender Communication Line Receiver
      Eco light Ecology light indicator ECM CAN Combination meter assembly
      Eco driving indicator zone display level
      Eco mode indicator
      Integrated sports mode indicatort
      Integrated sports mode signal
      Meter illumination Illumination level Trip switch Direct line Combination meter assembly
      Auto dimmer Main body ECU CAN
      Multi-information display change DISP switch Steering pad switch assembly Direct line Combination meter assembly
      Shift position indicator Shift position ECM CAN Combination meter assembly
      Mode indicator
      Transmission fluid temperature