METER / GAUGE SYSTEM SYSTEM DIAGRAM


  1. CAN SIGNAL

    A019K2LE07

  2. DIRECT LINE SIGNAL


    1. Combination Meter Assembly

      A019NA6E01

    2. Headup Display

      A019MZYE05

  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
      Fuel injection ECM CAN Combination Meter Assembly
      Engine coolant temperature receiver gauge Engine coolant temperature ECM CAN Combination Meter Assembly
      ODO/TRIP meter ODO/TRIP change Light Control Rheostat Direct Line Combination Meter Assembly
      ODO signal Skid Control ECU CAN
      Meter illumination Illumination level Light Control Rheostat Direct Line Combination Meter Assembly
      Auto dimmer Main Body ECU (Multiplex Network Body ECU) CAN
      Tail cancel Combination Meter Assembly CAN Main Body ECU (Multiplex Network Body ECU)
      Illumination level
      Accessory meter assembly Accessory meter information Combination Meter Assembly Direct Line Accessory Meter Assembly
      Headup display Headup display information Combination Meter Assembly Direct Line Headup Display
      Satellite switch set signal Satellite Switch Set Direct Line Headup Display
      Audio and visual signal Display and Navigation Module Display AVC-LAN Headup Display

    2. Warning or Indicator

      Warning or Indicator Communication Signal Sender Communication Line Receiver
      High beam indicator light High beam indicator light Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Turn indicator light Turn indicator 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 Combination Meter Assembly
      Parking brake switch Main Body ECU (Multiplex Network Body ECU) CAN
      Brake fluid level Brake Fluid Level Warning Switch Direct Line
      SRS warning light SRS warning light Center Airbag Sensor Assembly CAN Combination Meter Assembly
      Open door warning light Each door courtesy switch Main Body ECU (Multiplex Network Body ECU) CAN 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 Combination Meter Assembly
      Driver side seat belt warning light Driver side seat belt buckle switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      ABS warning light ABS warning light Skid Control ECU CAN Combination Meter Assembly
      EPS warning light EPS warning light Power Steering ECU CAN Combination Meter Assembly
      Air suspension indicator light*1 Air suspension indicator Suspension Control ECU CAN Combination Meter Assembly
      Luggage mode indicator light*1 Luggage mode indicator Suspension Control ECU CAN Combination Meter Assembly
      Tail indicator light Tail light Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Slip indicator light Slip indicator Skid Control ECU CAN Combination Meter Assembly
      Cruise main indicator light Cruise main indicator ECM CAN Combination Meter Assembly
      Shift position indicator Shift position ECM CAN Combination Meter Assembly
      VSC OFF indicator light VSC OFF indicator Skid Control ECU CAN Combination Meter Assembly
      ECO driving indicator light ECO driving indicator ECM CAN Combination Meter Assembly
      ECT snow indicator light*2 ECT snow indicator ECM CAN Combination Meter Assembly
      AWD lock indicator light AWD lock indicator AWD Control ECU CAN Combination Meter Assembly
      PCS warning light*3 PCS warning Driving Support ECU Assembly CAN Combination Meter Assembly
      Cruise main indicator light*4 Cruise main indicator (Constant vehicle speed mode) Driving Support ECU Assembly CAN Combination Meter Assembly
      Cruise main indicator (Vehicle-to-vehicle distance control mode)
      Clearance sonar indicator light*5 Clearance sonar indicator Clearance Warning ECU CAN Combination Meter Assembly
      AFS OFF indicator light*6 AFS OFF indicator AFS ECU (Headlight Swivel ECU Assembly) CAN Combination Meter Assembly
      Front fog indicator light Front fog indicator Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Rear fog indicator light*7 Rear fog indicator Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Master warning light Each system warning Skid Control ECU CAN Combination Meter Assembly
      Power Steering ECU
      Clearance Warning ECU*5
      Certification ECU (Smart Key ECU Assembly)
      Center Airbag Sensor Assembly
      ECM
      Main Body ECU (Multiplex Network Body ECU)
      Driving Support ECU Assembly CAN
      AWD Control ECU
      Suspension Control ECU
      AFS ECU (Headlight Swivel ECU Assembly)

      • *1: w/ Air Suspension

      • *2: except G.C.C. Countries

      • *3: w/ Pre-crash Safety

      • *4: w/ Dynamic Radar Cruise Control System

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

      • *6: w/ AFS

      • *7: w/ Rear Fog Light

    3. Cruise Information Display

      Cruise Information Display Communication Signal Sender Communication Line Receiver
      Average fuel consumption Engine speed ECM CAN Combination Meter Assembly
      Fuel injection
      Vehicle speed Skid Control ECU Direct Line
      ODO CAN
      Multi-information switch Multi-information Switch (Steering Pad Switch Assembly) Direct Line
      Average vehicle speed Vehicle speed Skid Control ECU CAN Combination Meter Assembly
      ODO
      Engine speed ECM
      Multi-information switch Multi-information Switch (Steering Pad Switch Assembly) Direct Line Combination Meter Assembly
      Average fuel consumption after refueling display Engine speed ECM CAN Combination Meter Assembly
      Fuel injection
      Vehicle speed Skid Control ECU CAN Combination Meter Assembly
      ODO signal Direct Line
      Multi-information switch Multi-information switch (Steering Pad Switch Assembly) Direct Line Combination Meter Assembly
      Eco driving indicator zone display Eco driving indicator zone display ECM CAN Combination Meter Assembly
      Current fuel consumption Engine speed ECM CAN Combination Meter Assembly
      Fuel injection
      Vehicle speed Skid Control ECU Direct Line
      Vehicle speed CAN
      Driving range Engine speed ECM CAN Combination Meter Assembly
      Fuel injection
      Engine variation
      Vehicle speed Skid Control ECU Direct Line
      Vehicle speed CAN
      Destination Main Body ECU (Multiplex Network Body ECU) CAN
      Fuel level Fuel Sender Gauge Assembly Direct Line
      Multi-information display change Multi-information switch Multi-information Switch (Steering Pad Switch Assembly) Direct Line Combination Meter Assembly

    4. Multi-information Display Message

      Multi-information Display Message Communication Signal Sender Communication Line Receiver
      Open door message Each door courtesy switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Steeling lock message Steeling lock warning Certification ECU (Smart Key ECU Assembly) CAN Combination Meter Assembly
      Multi-information display change Multi-information switch Multi-information switch (Steering Pad Switch Assembly) Direct Line Combination Meter Assembly
      Air suspension message*1 Air suspension message Suspension Control ECU CAN Combination Meter Assembly
      AWD message AWD message AWD Control ECU CAN Combination Meter Assembly
      Pre-crash safety message*2 Pre-crash safety message Seat Belt Control ECU CAN Combination Meter Assembly
      Cruise main indicator (Vehicle-to-vehicle distance control)*3 Adaptive radar cruise control message Driving Support ECU Assembly CAN Combination Meter Assembly
      Sliding roof message*4 Sliding roof message Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      A/T fluid temperature high message A/T fluid temperature high message ECM CAN Combination Meter Assembly
      Entry and start system message Entry and start system message Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Certification ECU (Smart Key ECU Assembly)
      Engine immobiliser certification message Certification message ID Code Box (Immobiliser ECU) CAN Combination Meter Assembly
      Intrusion sensor message*5 Intrusion sensor message Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Low washer fluid message Low washer fluid message Washer Fluid Level Warning Switch Direct Line Combination Meter Assembly
      Oil pressure message Oil pressure Oil Pressure Switch Direct Line Combination Meter Assembly
      Rear seat belt warning message*6 Rear seat belt buckle switch Rear seat belt buckle switch Direct Line Combination Meter Assembly
      Clearance sonar indicator*7 Clearance sonar indicator Clearance Warning ECU CAN Combination Meter Assembly
      Headlight leveling message Headlight leveling message AFS ECU (Headlight Swivel ECU Assembly) CAN Combination Meter Assembly
      TRC OFF message TRC OFF message Skid control ECU CAN Combination Meter Assembly
      Brake malfunction message Brake malfunction message Skid control ECU CAN Combination Meter Assembly
      Driving with parking brake unreleased message Parking brake switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Vehicle speed Skid Control ECU CAN
      Speed limit exceeded message*8 Vehicle speed Skid Control ECU CAN Combination Meter Assembly
      Low engine oil level message*9 Oil level Oil Level Sensor Direct Line Combination Meter Assembly
      Check headlight system LED headlight indicator Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly

      • *1: w/ Air Suspension

      • *2: w/ Pre-crash Safety

      • *3: w/ Adaptive Radar Cruise Control System

      • *4: w/ Sliding Roof

      • *5: w/ Theft Deterrent System

      • *6: w/ Rear Seat Belt Warning

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

      • *8: for G.C.C. Countries

      • *9: w/ Oil Level Sensor

    5. Buzzer

      Buzzer Communication Signal Sender Communication Line Receiver
      Key reminder buzzer Driver side door courtesy switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Engine switch
      Shift down reject buzzer Shift down reject buzzer ECM CAN Combination Meter Assembly
      Seat belt warning buzzer Driver side seat belt buckle switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Driver side door courtesy switch
      Front passenger side door courtesy switch
      Rear door courtesy switch
      Front passenger side seat belt buckle switch Front passenger side seat belt buckle switch Direct Line
      Rear seat belt buckle switch Rear Seat Belt Buckle Switch
      Shift position R signal ECM CAN
      Shift position P signal ECM CAN
      Vehicle speed Skid Control ECU CAN
      Driving with any door opened warning buzzer Vehicle speed Skid Control ECU CAN Combination Meter Assembly
      Each door courtesy switch Main Body ECU (Multiplex Network Body ECU)
      Smart key warning buzzer Engine switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Engine immobiliser certification buzzer Certification complete ID Code Box (Immobiliser ECU) CAN Combination Meter Assembly
      Driving with parking brake unreleased warning buzzer Parking brake switch Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Vehicle speed Skid Control ECU CAN
      Sliding roof open warning Sliding roof open warning buzzer request Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Light reminder buzzer Door courtesy switch signal Main Body ECU (Multiplex Network Body ECU) CAN Combination Meter Assembly
      Engine switch signal Power Management Control ECU
      Dynamic radar cruise control low speed cancel buzzer Dynamic radar cruise control low speed cancel buzzer Driving Support ECU Assembly CAN Combination Meter Assembly
      Brake control system buzzer Brake control system buzzer Skid control ECU CAN Combination Meter Assembly
      Accelerator depressed with shift lever in N buzzer Accelerator depressed with shift lever in N Power Management Control ECU CAN Combination Meter Assembly
      EPS warning buzzer EPS warning Power Management Control ECU CAN Combination Meter Assembly

    6. 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 Related ECUs
      Front passenger side seat belt warning light Front passenger side seat belt buckle switch Front passenger side seat belt buckle switch Direct Line Combination Meter Assembly