System Description [08/2014 - ]

OUTLINE OF COMBINATION METER ASSEMBLY

Fig 1: Identifying Meter / Gauge Display
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY (NO. 3 METER CIRCUIT PLATE)

Meter or Gauge

Meter or Gauge	Communication Signal	Sender	Communication Line	Receiver
Speedometer	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Fuel receiver gauge	Fuel level	Fuel Sender Gauge Assembly	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
ODO/TRIP meter	ODO/TRIP change	Multi-information Switch (Steering Pad Switch Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Unit change	Trip switch	Direct Line
	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)
Meter illumination	Illumination level	Light Control Rheostat	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Auto dimmer	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Tail cancel	Combination Meter Assembly (No. 3 Meter Circuit Plate)	CAN (CAN No. 1 Bus)	Main Body ECU
	Lounge illumination off	Combination Meter Assembly (No. 3 Meter Circuit Plate)	CAN (CAN No. 1 Bus)	Main Body ECU
	Illumination level	Combination Meter Assembly (No. 3 Meter Circuit Plate)	CAN (CAN No. 1 Bus)	Certification ECU (Smart Key ECU Assembly)
Headup display (Combination meter mirror ECU)*1	Headup display (Combination meter mirror ECU) information	Combination Meter Assembly (No. 3 Meter Circuit Plate)	Direct Line	Headup Display (Combination Meter Mirror ECU)
Headup display (Combination meter mirror ECU)*1	Trip switch	Trip switch	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)

*1: w/ Headup Display

Warning or Indicator

Warning or Indicator	Communication Signal	Sender	Communication Line	Receiver
Engine coolant temperature hot warning light	Engine coolant temperature hot warning light	ECM	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Engine coolant temperature hot warning light	Engine coolant hot warning light	Water Temperature Sensor	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Turn indicator light	Turn indicator light	Turn Signal Flasher	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Fuel level warning light*9	Fuel level	Fuel Sender Gauge Assembly	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Brake warning light / red (malfunction)	Brake warning light	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Brake warning light / red (malfunction)	Parking brake switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Brake warning light / yellow (minor malfunction)	Electrically controlled brake warning	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
SRS warning light	SRS warning light	Center Airbag Sensor Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Open door warning light	Each door courtesy switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Charge warning light	Charge warning light	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
MIL (Check engine warning light)	MIL (Check engine warning light)	ECM	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Driver side seat belt warning light	Driver side seat belt buckle switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
ABS warning light	ABS warning light	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EPS warning light	EPS warning light	Power Steering ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
SET indicator light	SET indicator light	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
LKA indicator light*1	LKA indicator light	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Headlight leveling indicator light*2	Headlight leveling indicator light	Headlight Leveling ECU	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Head indicator light*3	Head indicator light	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Tail indicator light*4	Taillight	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Slip indicator light	Slip indicator	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Cruise main indicator light	Cruise main indicator	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Cruise main indicator light	Cruise main indicator (Constant speed control mode)	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Cruise main indicator light	Cruise main indicator (Vehicle-to-vehicle distance control mode)*5	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift position indicator	Shift position	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Power mode indicator light	Power mode indicator light	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
PCS warning light*6	PCS warning	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Tire pressure warning light*7	Tire pressure warning	Tire Pressure Warning ECU	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Tire pressure warning light*8	Tire pressure warning	Tire Pressure Warning ECU and Receiver	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Front fog indicator light	Front fog indicator	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Security indicator light	Security indicator light	Certification ECU (Smart Key ECU Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
ECO mode indicator light	ECO mode indicator	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV indicator light	EV indicator	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Ready indicator light	Ready indicator	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Master warning light	Each system warning	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
		Power Steering ECU
		Certification ECU (Smart Key ECU Assembly)
		Center Airbag Sensor Assembly
		Power Management Control ECU
		Main Body ECU
		Driving Support ECU Assembly	CAN (CAN No. 2 Bus)
		Headlight Leveling ECU	CAN (CAN No. 2 Bus)
		Tire Pressure Warning ECU*7	CAN (CAN MS Bus)
		Tire Pressure Warning ECU and Receiver*8	CAN (CAN MS Bus)

*1: w/ Lane-keeping Assist System
*2: w/ Automatic Type Headlight Beam Level Control
*3: for U.S.A.
*4: except U.S.A.
*5: w/ Dynamic Radar Cruise Control System
*6: w/ Pre-collision System
*7: w/ Tire Pressure Warning System with Vehicle Proximity Notification System
*8: w/ Tire Pressure Warning System without Vehicle Proximity Notification System
*9: w/ Fuel Level Warning Light

Cruise Information Display

Cruise Information Display	Communication Signal	Sender	Communication Line	Receiver
Average fuel consumption (1 minute/5 minutes)	Fuel injection	ECM	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)
	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)
	Multi-information switch	Multi-information Switch (Steering Pad Switch Assembly)	Direct Line
Average vehicle speed	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Multi-information switch	Multi-information Switch (Steering Pad Switch Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Hybrid System Indicator	Eco-zone indicator level	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
ECO driving Indicator Light	Ecology Lamp Indicator signal	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Power mode indicator status
	EV indicator
	Shift position
	Motor inverter high temperature warning
	Hybrid system warning
	Vehicle speed signal	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Driving range	Engine speed	ECM	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Fuel injection
	Engine variation
	Vehicle speed	Skid Control ECU	Direct Line
	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)
	Destination	Main Body ECU	CAN (CAN No. 1 Bus)
	Fuel level	Fuel Sender Gauge Assembly	Direct Line
Multi-information display change	Multi-information switch	Multi-information Switch (Steering Pad Switch Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Energy flow display	Energy flow	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Fuel consumption history per a month	Reset	Multi-information Switch (Steering Pad Switch Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
ECO wallet history	Reset	Multi-information Switch (Steering Pad Switch Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Air conditioning system setting display	Set temperature	Air Conditioning Amplifier	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Air conditioning system setting display	REC/FRS select	Air Conditioning Amplifier	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)

Multi-information Display Message

Multi-information Display Message	Communication Signal	Sender	Communication Line	Receiver
Multi-information display change	Multi-information switch	Multi-information switch (Steering Pad Switch Assembly)	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Brake! message	Brake! message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Maintenance mode message	Maintenance mode message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Certification mode message	Certification mode message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Adjusting LKA camera message*1	Adjusting LKA camera message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check LKA system message*1	Check LKA system message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
LKA not available message*1	LKA not available message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Clean radar sensor message*2	Clean radar sensor message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Adjusting front radar beam message*2	Adjusting front radar beam message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Checking cruise control C/D message	Checking cruise control C/D message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Checking cruise control brake message	Checking cruise control brake message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Cruise not available message	Cruise not available message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check PCS system message*3	Check PCS system message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
PCS temporary not available message*3	PCS temporary not available message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Precrash brake off message*3	Precrash brake off message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check cruise control system message	Check cruise control system message	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Auto power off to conserve battery message	Auto power off to conserve battery message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Turn power off message	Turn power off message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift to [P] position message	Shift to [P] position message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift to [P] position message	Shift to [P] position message	Certification ECU (Smart Key ECU Assembly)	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift to [P] position when parked message	Shift to [P] position when parked message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Low traction battery HV battery is not charged in neutral N message	Low traction battery HV battery is not charged in neutral N message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
[P] lock malfunction when parking. Park in flat place and apply parking brake securely message	Transmission control ECU error status	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check hybrid system message	Check hybrid system message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check brake lamp system message	Check stop light system message	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Low engine oil pressure message	Low engine oil pressure message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Low engine oil pressure message	Low engine oil pressure message	Oil Pressure Switch	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift to [P] position and push power switch turn off message	Shift to [P] position and push power switch turn off message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Key detected in vehicle message	Key detected in vehicle message	Certification ECU (Smart Key ECU Assembly)	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Depress brake pedal, touch power switch with key message	Depress brake pedal, touch power switch with key message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Depress brake pedal and push power switch to start message	Depress brake pedal and push power switch to start message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift to [P] position to start message	Shift to [P] position to start message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Key battery low message	Key battery low message	Certification ECU (Smart Key ECU Assembly)	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Key not detected message	Key not detected message	Certification ECU (Smart Key ECU Assembly)	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Hybrid system overheat message	Hybrid system overheat message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check headlight system message	Check headlight system message	Headlight Leveling ECU Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Maintenance required soon message*4	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Maintenance required message*4	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Resetting maintenance data message*4	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Maintenance reset unfinished message*4	ODO	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode currently not available message	EV mode currently not available message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode not available warming up message	EV mode currently not available warming up message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode not available low battery message	EV mode currently not available low battery message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode not excessive speed message	EV mode currently not available excessive speed message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode not available excessive accel. message	EV mode currently not available excessive acceleration message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode deactivated message	EV mode deactivated message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode deactivated low battery message	EV mode deactivated low battery message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode deactivated excessive speed message	EV mode deactivated excessive speed message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode deactivated excessive accel. message	EV mode deactivated excessive acceleration message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
N position message	N position message	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Traction battery protection mode, restart after shifting to P position	Traction battery protection mode, restart after shifting to P position	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Traction battery power low, charge when not in N position	Traction battery power low, charge when not in N position	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Check hybrid system stop the vehicle in a safe place	Check hybrid system stop the vehicle in a safe place	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode currently not available because heater on	EV mode currently not available because heater on	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
EV mode cancelled because heater on	EV mode cancelled because heater on	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Switched to N. To shift to P, stop car and press P switch.	Shift reject buzzer	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Switched to N. To shift to P, stop car and press P switch.	Reject information (SBW)	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift malfunction. When parking, park in flat place and apply parking brake securely message	P-ACT error information	Transmission Control ECU Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Transmission control ECU error status	Transmission Control ECU Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Aux. battery low. When parking, park in flat place and apply parking brake securely message	Transmission control ECU check demand information	Transmission Control ECU Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift malfunction. See owner's manual. message	Low battery malfunction information	Transmission Control ECU Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)

*1: w/ Lane-keeping Assist System
*2: w/ Dynamic Radar Cruise Control System
*3: w/ Pre-collision System
*4: for U.S.A.

Buzzer

Buzzer	Communication Signal	Sender	Communication Line	Receiver
Key reminder buzzer	Driver side door courtesy switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Key reminder buzzer	Power switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Shift down reject buzzer	Shift down reject buzzer	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Seat belt warning buzzer	Driver side seat belt buckle switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Front passenger side door courtesy switch
	Driver side door courtesy switch
	Parking brake switch
	Front passenger side seat belt buckle switch	Center Airbag Sensor Assembly	CAN (CAN No. 1 Bus)
	Shift position R	Power Management Control ECU	CAN (CAN No. 1 Bus)
	Shift position P	Power Management Control ECU	CAN (CAN No. 1 Bus)
	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)
Driving with any door opened warning buzzer	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Driving with any door opened warning buzzer	Each door courtesy switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Smart key warning buzzer	Power switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Engine immobiliser certification buzzer	Certification complete	Certification ECU (Smart Key ECU Assembly)	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Driving with parking brake unreleased warning buzzer	Parking brake switch	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Driving with parking brake unreleased warning buzzer	Vehicle speed	Skid Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Sliding roof open warning*1	Sliding roof open warning buzzer request	Main Body ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Dynamic radar cruise control low speed cancel buzzer*2	Dynamic radar cruise control low speed cancel	Driving Support ECU Assembly	CAN (CAN No. 2 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
NDB warning buzzer	NDB warning buzzer	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Acceleration depressed when shift N position selected buzzer	Acceleration depressed when shift N position selected buzzer	Power Management Control ECU	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Brake control system power low warning	Brake control system power low warning	Combination meter assembly	CAN	Skid control ECU
Brake system temperature rise or active test	Brake system temperature rise or active test	Combination meter assembly	CAN	Skid control ECU
Temperature warning or crawl stop warning	Temperature warning or crawl stop warning	Combination meter assembly	CAN	Skid control ECU
Hill-start assist control (reset)	Hill-start assist control (reset)	Combination meter assembly	CAN	Skid control ECU
Hill-start assist control (set)	Hill-start assist control (set)	Combination meter assembly	CAN	Skid control ECU
Hill-start assist control (normal control)	Hill-start assist control (normal control)	Combination meter assembly	CAN	Skid control ECU
Hill-start assist control (end announcement)	Hill-start assist control (end announcement)	Combination meter assembly	CAN	Skid control ECU

*1: w/ Sliding Roof
*2: w/ Dynamic Radar Cruise Control System

Others

Signal	Communication Signal	Sender	Communication Line	Receiver
Vehicle speed signal	Vehicle speed	Skid Control ECU	Direct Line	Combination Meter Assembly (No. 3 Meter Circuit Plate)
	Vehicle speed	Combination Meter Assembly (No. 3 Meter Circuit Plate)	Direct Line	Navigation ECU Sub-assembly*1
				Radio and Display Receiver Assembly*2
				Stereo Component Amplifier Assembly*3
				Power Management Control ECU
				Tire Pressure Warning ECU*4
				Tire Pressure Warning ECU and Receiver*8
				Headlight Leveling ECU Assembly*5
				DCM (Telematics Transceiver)*6
				Vehicle Approaching Speaker Controller*7
Front passenger side seat belt warning light	Front passenger side seat belt buckle switch	Center Airbag Sensor Assembly	CAN (CAN No. 1 Bus)	Combination Meter Assembly (No. 3 Meter Circuit Plate)
Front passenger side seat belt warning light	Front passenger side seat belt warning light	Combination Meter Assembly (No. 3 Meter Circuit Plate)	Direct Line	Telltale Light Assembly

*1: for Navigation Receiver Type or for Radio and Display Type (w/o Daytime Running Light)
*2: for Radio and Display Type (w/ Daytime Running Light)
*3: for 8 Speakers
*4: w/ Tire Pressure Warning System with Vehicle Proximity Notification System
*5: for Automatic Type Headlight Beam Level Control
*6: w/ Manual (SOS) Switch
*7: w/ Vehicle Proximity Notification System
*8: w/ Tire Pressure Warning System without Vehicle Proximity Notification System

MULTI-INFORMATION DISPLAY FLOW CHART

Multi-information display flow chart

Fig 2: Identifying Multi-Information Display Flow Chart (Power Off) (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: Identifying Multi-Information Display Flow Chart (Power On) (1 Of 2)

Display Shifting Condition

No.	Display Shifting Condition
*a	Display cycles between messages.
*b	Conditions are not met and all new messages have been displayed.
*c	Mode has completed or reset mode is interrupted.
*d	If the power switch turned off, then on (IG) during the opening, then the opening display will be shown from the beginning.
*e	Conditions are met and vehicle speed is less than 8 km/h (5 mph).
*f	Conditions for displaying new messages other than the door open warning are met, or the vehicle speed is more than 8 km/h (5 mph).
*g	Mode has completed and conditions for dynamic radar cruise display are met.
*h	Up or down switch is not operated for more than 6 seconds.
*i	The advisory display will be shown as the last of the normal displays.

HEADUP DISPLAY (COMBINATION METER MIRROR ECU) (w/ Headup Display)

Item	Detail
Vehicle speed display	Receives a vehicle speed signal from the combination meter assembly (No. 3 meter circuit plate) via the direct line.
Navigation system display	Receives a navigation system signal from the navigation receiver assembly via the direct line through the combination meter assembly (No. 3 meter circuit plate).
Audio system display	Receives an audio system signal from the navigation receiver assembly via the direct line through the combination meter assembly (No. 3 meter circuit plate).
Dynamic radar cruise control system display*1	Receives a dynamic radar cruise control signal from the combination meter assembly (No. 3 meter circuit plate) via the direct line.
Precrash brake display*2	Receives a precrash brake signal from the combination meter assembly (No. 3 meter circuit plate) via the direct line.

*1: w/ Dynamic Radar Cruise Control System
*2: w/ Pre-collision System

EACH WARNING DISPLAY
1. Each warning display for combination meter assembly
  HINT:
  
  Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle.
  
  Fig 4: Identifying Each Warning Display Indicator (1 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 5: Identifying Each Warning Display Indicator (2 Of 2)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Each display for headup display (combination meter mirror ECU)
  HINT:
  
  Illustrations may differ from the actual screen displayed depending on the specifications of the vehicle.
  
  Fig 6: Identifying LED Initial Check Illumination Function
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

LED INITIAL CHECK

Check the illumination function of the warning or indicator lights listed below when turning the power switch on (IG).

Warning or Indicator Light	Specified Condition
PCS warning light*1	Warning light comes on for about 3 seconds after turning the power switch on (IG).
Tire pressure warning light*2
Master warning light
Engine coolant temperature hot warning light
SRS warning light	Warning light comes on for about 6 seconds after turning the power switch on (IG).
Charge warning light	Warning light comes on when turning the power switch on (IG) before hybrid system starts.
MIL (Check engine warning light)
EPS warning light
Brake warning light / red (malfunction)	Indicator or warning light comes on when turning the power switch on (IG) before hybrid system starts.*3 Indicator or warning light comes on when turn the power switch off to on (READY) for 3 seconds, then goes off.
ABS warning light
Slip indicator light
Brake warning light / yellow (minor malfunction)

*1: w/ Pre-collision System
*2: w/ Tire Pressure Warning System
*3: When turning the power switch on (IG), if it takes 3 seconds or more for the READY indicator light to illuminate, the warning or indicator light turns off right after the READY indicator light illuminates.