METER / GAUGE SYSTEM SYSTEM DIAGRAM

A019Q4IE01
Communication Signal Sent to Combination Meter Assembly Transmitting ECU

  • Engine Hood Courtesy Switch Signal

  • Power Window Stop Warning Signal

  • 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

  • Rear Fog Light Signal (Except Models for G.C.C. Countries)

  • Electronic Features Control Mode Signal

  • Customization Signal

  • Destination Package Signal

  • Steering Position Signal

 Main Body ECU (Multiplex Network Body ECU)

  • ATF Temperature Signal

  • ATF Temperature Range Signal

  • SNOW Indicator Signal

  • Reject Buzzer Signal

  • Shift Position Signals (P, R, N, D)

  • Mode Indicator Signal

  • Current Gear Position Signal

  • Drive Mode Signal

  • Diagnosis Signal

  • Engine Type Signal

  • Drive Train Signal

  • Engine Speed Signal

  • Eco Zone Indicator Level Signal

  • Eco Driving Indicator (Ecology Lamp Indicator) Signal

  • Fuel Injection Signal

  • Charging Warning Signal

  • Starter Signal

  • Engine Coolant Temperature Signal

  • Cruise Control Signals

 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

 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*1

  • 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*2

  • 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

  • AWD Warning Signal

  • AWD Lock Indicator Signal

  • Diagnosis Signal

 4WD ECU Assembly

  • Buzzer Request Signals

  • Warning Signals

  • Immobiliser Certification Signal

  • Emergency Request Signal

 Certification ECU (Smart Key ECU Assembly)
Message Request Signal Power Management Control ECU

  • Vehicle Speed Sensor 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

*1: Models with Lexus display audio system

*2: Models with HDD navigation system

A019PWXE03
A019PN2E03