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Home >> Toyota >> 2009 >> Camry Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter (Except Hybrid) >> Meter / Gauge System >> System Diagram

System Diagram

Fig 1: Meter/Gauge System Diagram
G04980516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER ASSEMBLY: 

INPUT AND OUTPUT SIGNALS OF THE COMBINATION METER ASSEMBLY

Sender Receiver Communication Signal Communication Line
Combination Meter Assembly
  • ECM
  • A/C Control Amplifier
  • Center Airbag Sensor Assembly
  • Main Body ECU
Vehicle speed signal CAN (CAN No. 1 Bus)
Certification ECU CAN (CAN MS Bus)
  • Tire Pressure Warning ECU ((1))
  • TCM ((2))
  • Stereo Component Amplifier ((3))
  • Navigation Receiver Assembly ((4))
  • Main Body ECU ((5))
  • Radio Receiver Assembly
  • ECM
Direct Line
  • Main Body ECU
  • A/C Control Amplifier
Rheostat duty signal CAN (CAN No. 1 Bus)
Tail cancel signal
Main Body ECU Lounge illumination signal CAN (CAN No. 1 Bus)
  • Center Airbag Sensor Assembly
  • ECM
Vehicle specification signal (Destination/Handle code) CAN (CAN No. 1 Bus)
Certification ECU Odometer signal CAN (CAN MS Bus)
Clock assembly Passenger seat belt warning light signal Direct Line
ECM Combination Meter Assembly Starter signal CAN (CAN No. 1 Bus)
Test mode signal
Cruise operation indicator
Cruise control warning
Charge light indicator
TM oil temperature range
Engine coolant temperature signal
Engine type information
Shift position signal ((6))
Reject buzzer signal
Gear position signal
Sports mode indicator ((6))
Engine RPM data
Main Body ECU Combination Meter Assembly Illuminance data CAN (CAN No. 1 Bus)
Auto dimmer signal
ACC switch signal
Key switch signal
Each door courtesy switch signal
Slide roof signal ((7))
Smart key signal ((5))
Driver side seat belt switch signal
Parking brake switch signal
High beam indicator light signal
Head ((8))/Tail ((9)) indicator light signal
Front fog indicator light signal
  • Main Body ECU
  • Certification ECU
Combination Meter Assembly Hood courtesy switch signal CAN (CAN MS Bus)
Certification ECU Combination Meter Assembly Meter buzzer request signal CAN (CAN MS Bus)
Each door open display signal
Key lose warning signal ((5))
Low key battery warning signal ((5))
Shift position warning signal
Steeling lock abnormal warning ((5))
Steeling lock unlock warning ((5))
Immobilizer Key Identification Completion
Skid Control ECU Combination Meter Assembly Vehicle speed signal CAN (CAN No. 1 Bus)
Brake Warning light Control Flag
ABS Warning Light signal
Slip Indicator light signal ((10))
VSC Warning light signal ((10))
  • ECM
  • Skid Control ECU
Combination Meter Assembly Diagnosis signal CAN (CAN No. 1 Bus)
A/C Control Amplifier Combination Meter Assembly Ambient temperature display signal CAN (CAN No. 1 Bus)
Center Airbag Sensor Assembly Combination Meter Assembly Airbag warning light signal CAN (CAN No. 1 Bus)
Front passenger seat condition signal Direct Line
Front passenger seat belt condition signal
Steering Pad Switch Combination Meter Assembly Steering pad switch operation signal Direct Line
Oil Pressure Switch Combination Meter Assembly Engine oil pressure warning light signal Direct Line
Fuel Sender Gauge Assembly Combination Meter Assembly Fuel level signal Direct Line
Turn Signal flasher Combination Meter Assembly Turn LH/RH indicator light signal Direct Line
Tire Pressure Warning ECU ((1)) Combination Meter Assembly Tire pressure warning light signal Direct Line
Washer Level Switch ((11)) Combination Meter Assembly Washer fluid level warning light signal Direct Line
Brake Fluid Level Warning Switch Combination Meter Assembly Brake fluid level warning light signal Direct Line
(1) With Tire Pressure Warning System
(2) for 2GR-FE
(3) for Separate Type Amplifier System
(4) with Navigation System
(5) with Smart Key System
(6) for Automatic Transaxle
(7) with Sliding Roof
(8) for U.S.A.
(9) for Canada
(10) with VSC
(11) with Washer Level Warning Light