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Home >> Lexus >> 2014 >> IS 250C Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display (Diagnostics & Symptom Tests) >> Meter / Gauge System >> System Diagram [08/2013 - ] >> System Diagram [08/2013 - ]

System Diagram [08/2013 - ]

  1. BEAN SIGNAL 
    Fig 1: Bean Signal System Diagram
    GTY399718Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CAN SIGNAL 
    Fig 2: Can Signal System Diagram
    GTY401478Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DIRECT LINE SIGNAL 
    Fig 3: Direct Line Signal System Diagram
    GTY412852Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY 
    Communication Signal Sender Receiver Communication Line
    Vehicle specification Combination Meter Assembly Gateway ECU BEAN (Steering Column and Door Bus)
    ECM CAN-BEAN
    Satellite switch set Combination Meter Assembly Gateway ECU BEAN (Instrument Panel Bus)
    Tire Pressure Warning ECU*2
    Clearance Warning ECU*1
    Main Body ECU RH (Cowl Side Junction Block RH) BEAN (Steering Column and Door Bus)
    Outer Mirror Control ECU LH*11
    Outer Mirror Control ECU RH*11
    Skid Control ECU CAN-BEAN
    Vehicle speed Combination Meter Assembly Center Airbag Sensor Assembly CAN-BEAN
    Tilt and Telescopic ECU BEAN (Steering Column and Door Bus)
    Sliding Roof Control ECU
    Power Source Control ECU
    Power Window Master Switch
    Rain Sensor*13
    Seat Position Memory ECU LH and RH*14
    Smart Key ECU
    Main Body ECU LH and RH (Cowl Side Junction Block LH and RH)
    Front Controller*9
    Air Conditioning Amplifier BEAN (Instrument Panel Bus)
    Tire Pressure Warning ECU*2
    Clearance Warning ECU*1
    Power Source Control ECU Direct Line
    Radio Receiver Assembly*3
    Multi-media Module Receiver Assembly*4
    Stereo Component Amplifier Assembly
    DCM (Telematics Transceiver)*12
    ECM
    Outside temperature Air Conditioning Amplifier Combination Meter Assembly BEAN (Instrument Panel Bus)
    Sonar indicator light*1 Clearance Warning ECU Combination Meter Assembly BEAN (Instrument Panel Bus)
    Area (FR/FL/RR/RL/Rear center)*1
    Tire pressure warning*2 Tire Pressure Warning ECU Combination Meter Assembly BEAN (Instrument Panel Bus)
    Tire pressure initial/select*2 Direct Line
    Each door courtesy light switch Main Body ECU RH (Cowl Side Junction Block RH) Combination Meter Assembly BEAN (Steering Column and Door Bus)
    Door lock detection switch
    Hi-beam indicator light
    Front fog indicator light
    Key
    Head indicator light*5
    Tail indicator light*6
    Headlight leveling warning*9
    Washer fluid level Front Controller Combination Meter Assembly BEAN (Steering Column and Door Bus)
    Metaltop signal Sliding Roof Control ECU Combination Meter Assembly BEAN (Steering Column and Door Bus)
    Fuel injection ECM Combination Meter Assembly CAN-BEAN
    Engine coolant temperature
    ECT power indicator light
    ECT snow indicator light
    Shift position
    Diagnosis
    Cruise indicator
    Engine oil pressure
    Vehicle specification
    Charge warning light
    Engine speed Direct Line
    MIL (Check engine warning light)
    Dynamic radar cruise control*7 Distance Control ECU Combination Meter Assembly CAN-BEAN
    Brake indicator light Skid Control ECU Combination Meter Assembly CAN-BEAN and Direct Line
    VSC OFF warning light CAN-BEAN
    Slip indicator light
    ABS warning light
    Parking brake switch
    Vehicle speed Direct Line
    PCS indicator light*8 Seat Belt Control ECU Combination Meter Assembly CAN-BEAN
    EPS warning light Power Steering ECU Combination Meter Assembly CAN-BEAN
    Steering lock condition Smart Key ECU Combination Meter Assembly BEAN (Steering Column and Door Bus)
    SRS warning light Center Airbag Sensor Assembly Combination Meter Assembly CAN-BEAN
    Driver side seat belt warning light
    Front passenger side seat condition
    Front passenger side seat belt buckle switch Center Airbag Sensor Assembly Combination Meter Assembly CAN-BEAN
    Front Seat Inner Belt Assembly RH*10 Direct Line
    Satellite switch set Satellite Switch Set Combination Meter Assembly Direct Line
    Multi-information display operation Steering Pad Switch Assembly (DISP) Combination Meter Assembly Direct Line
    Fuel level Fuel Sender Gauge Assembly (Main and Sub) Combination Meter Assembly Direct Line
    Turn LH/RH Turn Signal Flasher Combination Meter Assembly Direct Line
    Illumination Light Control Rheostat Combination Meter Assembly Direct Line
    Tail cancel
    Light control rheostat position Combination Meter Assembly Power Source Control ECU Direct Line
    Brake fluid level Brake Fluid Level Warning Switch Combination Meter Assembly Direct Line
    Front passenger side seat belt warning light Combination Meter Assembly Integration Control and Panel Assembly*3 Direct Line
    Clock Assembly*4 Direct Line
    • *1: w/ Intuitive Parking Assist System
    • *2: w/ Tire Pressure Warning System
    • *3: for Radio Receiver Type
    • *4: for Multi-media Module Receiver Type
    • *5: for U.S.A.
    • *6: except U.S.A.
    • *7: w/ Dynamic Radar Cruise Control System
    • *8: w/ Pre-collision System
    • *9: w/ Automatic Type Headlight Beam Level Control
    • *10: w/o Occupant Classification System
    • *11: w/ Power Mirror Control System (w/ Memory)
    • *12: w/ Manual (SOS) Switch
    • *13: w/ Auto Wiper System
    • *14: w/ Memory
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