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Home >> Lexus >> 2009 >> GS 450h >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (Diagnostic - Symptom Tests) >> Meter / Gauge System >> System Diagram >> System Diagram

System Diagram

Fig 1: Meter/Gauge System Diagram (1 Of 4)
GTY118218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Meter/Gauge System Diagram (2 Of 4)
GTY150481Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Meter/Gauge System Diagram (3 Of 4)
GTY150482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Meter/Gauge System Diagram (4 Of 4)
GTY152180Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CAN

ECU Communication signal to combination meter
Skid control ECU
  • Transmits slip warning light signal
  • Transmits ABS warning light signal
  • Transmits electronically controlled brake system warning light signal
  • Transmits parking brake switch signal
  • Transmits brake fluid level warning signal
  • Transmits VSC OFF warning light signal
  • Transmits brake warning light signal
ECM
  • Transmits ECT snow indicator signal
  • Transmits ECT power indicator signal
  • Transmits check engine warning signal
  • Transmits CRUISE warning signal
  • Transmits battery charge signal
  • Transmits shift position signal
  • Transmits PCS warning signal
  • Transmits engine oil level warning signal
  • Transmits engine oil pressure warning signal
  • Transmits test mode signal
  • Transmits water temperature signal
  • Transmits engine speed signal
Power steering ECU
  • Transmits power steering warning signal
Suspension control ECU
  • Transmits AVS warning signal
Hybrid vehicle control ECU
  • Power mode signal
  • Snow mode signal
Front active stabilizer control ECU
  • Transmits test mode signal
  • Transmits system check signal
Rear active stabilizer control ECU
  • Transmits test mode signal
  • Transmits system check signal
BEAN (INSTRUMENT PANEL)

ECU Communication signal to combination meter
Combination meter
  • Transmits vehicle speed signal
Center airbag sensor
  • Transmits driver seat buckle switch signal
  • Transmits passenger seat buckle switch signal
  • Transmits passenger seat occupant detection signal
  • Transmits SRS airbag warning light signal
Clearance warning ECU
  • Transmits park assist system warning light signal
Tire pressure warning ECU
  • Transmits tire pressure warning light signal
Integration control and panel
  • Transmits ODO/TRIP switch signal
  • Transmits trip reset switch signal
  • Transmits light rheostat signal
  • Transmits rheostat max signal
  • Transmits ECD mode signal
BEAN (DOOR)

ECU Communication signal to combination meter
Main body ECU RH
  • Transmits door courtesy switch signal
  • Transmits fog light warning light signal
  • Transmits high beam warning light signal
Multiplex network rear ECU
Luggage room junction block ECU
  • Transmits luggage door courtesy switch signal
Front controller
  • Transmits washer level warning switch signal
  • Transmits engine hood courtesy switch signal
Sliding roof control ECU
  • Transmits roof close signal
  • Transmits roof open warning signal
BEAN (STEERING COLUMN)

ECU Communication signal to combination meter
AFS ECU
  • Transmits AFS OFF warning light signal