METER / GAUGE SYSTEM SYSTEM DIAGRAM

A019W9RE01
Communication Signal Sent to Combination Meter Assembly Transmitting ECU

  • Engine Hood Courtesy Switch Signal

  • Power Window Stop Warning

  • Intrusion Sensor State Display Signal

  • Trip Count Signal

  • Time Count Signal

  • ACC Signal

  • Door Courtesy Switch Signals

  • Back Door Courtesy Switch Signal

  • Seat Belt Buckle Switch Signal (For Driver)

  • Sliding Roof Warning Signal

  • Door Lock Output Factor Signal

  • Parking Brake Switch Signal

  • Lighting System Status Signal

  • Panel Illumination Request Signal

  • Headlight Light Low Beam Signal

  • Headlight Light High Beam Signal

  • Taillight Signal

  • Front Fog Light Signal

  • Electronic Features Control Mode Signal

  • Customization Signal

  • Destination Package Signal

  • Steering Position Signal

  • LED Headlight Indicator Signal*1

  • Illuminance data Signal

  • Auto Dimmer Signal

Main Body ECU (Multiplex Network Body ECU)

  • Engine Speed Signal

  • Engine Coolant Temperature Signal

  • Fuel Injection Signal

  • Diagnosis Signal

ECM

  • SRS Warning Signal

Airbag Sensor Assembly

  • Horizontal Direction of Beam Axis Difference Signal

  • Horizontal Angle of Beam Axis Difference Signal

  • Distance of Target Signal

  • Inspection Mode Signal

  • PCS Caution Signal

  • PCS Warning Signal

  • Dynamic Radar Cruise Control Signal*2

Driving Support ECU Assembly

  • Clearance Sonar Variation Signal

  • Indicator Request Signal

  • Main Switch Indicator Signal

  • Front Area Information Signals

  • Rear Area Information Signals

  • Diagnosis Signal

Parking Assist ECU

  • Outside Temperature Signal

Air Conditioning Amplifier

  • Headlight Leveling Signal

  • AFS OFF Indicator Request Signal

AFS ECU (Headlight Swivel ECU Assembly)
Total Average Fuel Consumption Reset Request Signal Radio Receiver Assembly*3

  • Total Average Fuel Consumption Reset Request Signal

  • Headup Display Signal

  • Distance to Guide Point Signal

  • Unit of Distance Signal

  • Rotary Select Information Signal

  • Road Type Information Signal

Multi-media Module Receiver Assembly*4

  • Indicator Signals (Low, Normal, High, OFF)

  • Luggage Mode Signal

  • Diagnosis Signal

Suspension Control ECU

  • Bulb Check Signal (PCS Warning Light)

  • Warning Signal

  • Diagnosis Signal

Seat Belt Control ECU

  • Buzzer Request Signals

  • Warning Signals

  • Immobiliser Certification Signal

  • Emergency Request Signal

Certification ECU (Smart Key ECU Assembly)

  • Vehicle Speed Sensor Signal

  • ECB Warning Signal

  • Brake Warning Signal

  • ABS Warning Signal

  • Slip Indicator Signal

  • TRC OFF Signal

  • VSC OFF Indicator Signal

  • Stop Light Warning Signal

  • Diagnosis Signal

Skid Control ECU

  • EPS Warning Signal

  • Diagnosis Signal

Power Steering ECU

  • Message Request Signal

  • Hybrid SNOW Indicator Signal

  • Shift Position Signal

  • Shift Gear Signal

  • Sports Mode Indicator Signal

  • Eco Mode Indicator Signal

  • EV Mode Message Signal

  • Eco Lamp Status Signal

  • Eco-zone Indicator Level Signal

  • P Position Requirement Signal

  • HV System Warning Signal

  • Motor Inverter High Temperature Warning Signal

  • HV Battery Low Voltage Warning Signal

  • State Of Charge Signal

  • AWD Warning Signal

  • Charge Warning Signal

  • READY Signal

  • READY Buzzer Signal

  • STA Signal

  • Check Mode Signal

  • Energy Flow Signal

  • HV Battery Charge Request Warning Signal

  • Oil Pressure Light lighting Prohibition Signal

  • Cruise Control Signals

  • Power Switch Signal

  • Shift Reject Buzzer Signal

  • Drivetrain Information Signal

  • SPORT Mode Indicator Light Status Signal

  • Test Mode Signal

Power Management Control ECU

  • Active Stabilizer System Warning Signal

Front Active Stabilizer Control ECU Assembly

  • Active Stabilizer System Warning Signal

Rear Active Stabilizer Control ECU Assembly

*1: Models with LED headlights

*2: Models with dynamic radar cruise control system

*3: Models with Lexus display audio system

*4: Models with HDD navigation system

A019WOQE04
A019WQXE03