METER

A01W6R7E01
A01W6QYE01

Figure 1. Models with diesel engine

A01W5Y5E01
Input and output communication signals of the combination meter
ECU Input Signal Output Signal
ECM

  • Engine speed

  • Shift position

  • S mode position

  • Fuel injection volume

  • Warning light control

  • Engine coolant temperature

  • Current range position

  • Buzzer sounding request

  • Indicator light illumination request

  • Warning message display request

  • Diagnosis (Cruise)

  • Vehicle speed

  • Remaining Fuel Amount*1 (Fuel tank/ Fuel sub tank)
Air Conditioning Amplifier Assembly Diagnosis Vehicle speed
Center Airbag Sensor Assembly

  • Warning light illumination request

  • Seat belt remainder control (Driver and Front Passenger)

  • Diagnosis

 Vehicle speed
Main Body ECU

  • Lighting status

  • Parking brake switch

  • Courtesy switch

  • Warning message display request

  • Buzzer sounding request

  • Auto dimmer signal

  • Diagnosis

 -
Skid Control ECU

  • Warning message display request

  • Warning light illumination request

  • Indicator light illumination request

  • Diagnosis

 -
Seat Belt Control ECU*2

  • Warning message display request

  • Warning light illumination request

  • Buzzer sounding request

  • Diagnosis

 -
Clearance Warning ECU*2

  • Warning message display request

  • Buzzer sounding request

  • TOYOTA parking assist-sensor status indication

 Vehicle speed
Certification ECU

  • Warning message display request

  • Buzzer sounding request

 -
4WD Control ECU

  • Indicator light illumination request

  • Buzzer sounding request

 -
Suspension Control ECU*2

  • Warning message display request

  • Warning light illumination request

  • Buzzer sounding request

  • Diagnosis

 -
Driving Support ECU*2

  • Indicator light illumination request

  • Warning message display request

  • Buzzer sounding request

  • Diagnosis

 Vehicle speed
Headlight Leveling ECU*2

  • Warning light illumination request

  • Diagnosis

 Vehicle speed
Tire Pressure Warning ECU*3

  • Warning message display request

  • Tire pressure display control

  • Tire pressure warning light blink/illuminate request

 -
*1: Only for diesel engine models with dual tank
*2: Optional equipment
*3: Models with tire pressure warning system