Meter / Gauge System System Diagram

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Meter. Lexus Is250, Is220D. Gse20 Ale20

Meter / Gauge System -- System Diagram



Lexus Is250, Is220D. Gse20 Ale20.Meter.Meter / Gauge System.Meter / Gauge System System Diagram


Input and output signals of the combination meter assembly:
Sender
Receiver
Communication Signal
Communication Line
Combination Meter
Power Source Control ECU
Light control rheostat position signal
Direct Line
Combination Meter
  1. Gateway ECU
  2. ECM
Vehicle specification signal
  1. BEAN (Steering Column & Door Bus)
  2. CAN-BEAN
Combination Meter
  1. Gateway ECU
  2. AFS ECU (*1)
  3. Clearance Sonar ECU (*2)
  4. Main Body ECU RH (Cowl Side J/B RH)
  5. ABS & Traction Actuator Assembly
  6. ECM (*3)
Satellite switch signal
  1. BEAN (Instrument Panel Bus)
  2. BEAN (Steering Column & Door Bus)
  3. CAN-BEAN
Combination Meter
  1. Center Airbag Sensor Assembly
  2. ECM
  3. Sliding Roof Control ECU (*4)
  4. Certification ECU
  5. Seat Belt Control ECU
  6. Tilt and Telescopic ECU (*5)
  7. Power Source Control ECU
  8. Main Body ECU LH/RH (Cowl Side J/B LH/RH)
  9. A/C Control Amplifier
  10. AFS ECU (*1)
  11. Clearance Sonar ECU (*2)
Vehicle speed signal
  1. BEAN (Instrument Panel Bus)
  2. BEAN (Steering Column & Door Bus)
  3. CAN-BEAN
Combination Meter
  1. Gateway ECU
  2. ECM
Fuel level signal (*3)
  1. BEAN (Steering column bus)
  2. CAN-BEAN
A/C Control Amplifier
Combination Meter
Outside temperature signal
BEAN (Instrument Panel Bus)
Clearance Sonar ECU (*2)
Combination Meter
  1. Clearance sonar indicator light signal
  2. Area signals (FR/FL/RR/RL/Rear center)
BEAN (Instrument Panel Bus)
AFS ECU (*1)
Combination Meter
  1. AFS OFF indicator light signal
  2. AFS warning signal
BEAN (Instrument Panel Bus)
Main Body ECU RH (Cowl Side J/B RH)
Combination Meter
  1. Front passenger door courtesy light switch signal
  2. Door lock detection switch signal
BEAN (Steering Column & Door Bus)
Sliding Roof Control ECU (*4)
Combination Meter
Sliding roof signal
BEAN (Steering Column & Door Bus)
Power Source Control ECU
Combination Meter
Charge indicator light signal
BEAN (Steering Column & Door Bus)
BEAN (Steering Column Bus) / Direct Line (*3)
ECM
Combination Meter
  1. Fuel injection signal
  2. Engine coolant temperature signal
  3. A/T gear position signal (*6)
  4. A/T shift position signal (*6)
  5. Diagnosis signal
  6. Dynamic radar cruise control signal (*7)
  7. Check engine indicator light signal
  8. Vehicle specification signal
CAN-BEAN
  1. Engine revolution signal
  1. Check engine indicator light signal
Direct Line
ABS & Traction Actuator Assembly
Combination Meter
VSC/SLIP/ABS/BRAKE indicator light signal
CAN-BEAN
Vehicle speed signal
Direct Line
Seat Belt Control ECU
Combination Meter
PCS indicator light signal (*8)
CAN-BEAN
Electronic Power Steering ECU
Combination Meter
EPS warning light signal
CAN-BEAN
Center Airbag Sensor Assembly
Combination Meter
Airbag indicator light signal
CAN-BEAN
Satellite Switch
Combination Meter
  1. To select the modes for multi-display listed below.
    1. Clearance sonar (*2)
    2. Intrusion sensor (*9)
    3. AFS (*1)
    4. Pre-crash safety (*8)
    5. Priming (*3)
    6. Speed/Tacho indicator signal
Direct Line
Steering Pad Switch (DISP)
Combination Meter
Multi-display operation signal
Direct Line
Fuel Sender Gauge Assembly (Main/Sub)
Combination Meter
Fuel level signal
Direct Line
Turn Signal Flasher
Combination Meter
Turn signal LH/RH signal
Direct Line
Light Control Rheostat
Combination Meter
  1. Illumination signal
  2. Tail cancel signal
Direct Line
Brake Fluid Level Warning Switch
Combination Meter
Brake fluid level signal
Direct Line
Combination Meter
Integration Control & Panel Assembly (*10)/Multi-display (*11)
Passenger seat belt warning light signal
Direct Line
Engine Oil Level Sensor
Combination Meter
Engine oil level warning light signal
BEAN
Direct Line (*3)
Fuel Sedimenter Warning Switch
Combination Meter
Sedimenter warning light signal
BEAN
Direct Line (*3)
*1: with Intelligent AFS
*2: with Clearance Sonar System
*3: for 2AD-FHV
*4: with Sliding Roof
*5: with Power Tilt & Power Telescopic
*6: for Automatic Tranmission
*7: with Dynamic Radar Cruise Control System
*8: with Pre-crash Safety System
*9: with Intrusion Sensor
*10: without Navigation System
*11: with Navigation System