System Description

METER GAUGE AND WARNING INDICATOR

Fig 1: Identifying Meter Gauge And Warning Indicator Components

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TEXT IN ILLUSTRATION

*1	Tachometer	*2	Speedometer
*3	Fuel Receiver Gauge	*4	MODE Switch, Light Control Rheostat Knob
*5	Multi-information Display	*6	Engine Coolant Temperature Receiver Gauge

METER/GAUGE

Item	Signal Description
Speedometer	Indicates vehicle speed based on signal received from brake actuator assembly (skid control ECU) (CAN V1 Bus).
Tachometer	Indicates engine speed based on signal received from ECM (CAN V1 Bus).
Fuel receiver gauge	Indicates fuel level based on signal received from fuel sender gauge assembly (Direct Line).
Engine coolant temperature receiver gauge	Indicates engine coolant temperature based on signal received from ECM (CAN V1 Bus).

WARNING/INDICATOR

Item	Signal Description
BEAM	Receives beam indicator signal from main body ECU (CAN V1 Bus).
TURN	Receives turn indicator signal from turn signal flasher assembly (Direct Line).
FUEL	Receives fuel warning signal from fuel sender gauge assembly (Direct Line).
BRAKE	Receives brake signal from brake fluid level warning switch (Direct Line), main body ECU and brake actuator assembly (skid control ECU) (CAN V1 Bus).
SRS	Receives SRS warning signal from center airbag sensor assembly (CAN V1 Bus).
DOOR	Receives open door warning signal from main body ECU (CAN V1 Bus).
OIL PRESSURE	Receives engine oil pressure warning signal from engine oil pressure switch assembly (Direct Line).
CHARGE	Receives charge warning signal from generator assembly (Direct Line).
MIL (Check engine warning light)	Receives malfunction check engine warning signal from ECM (Direct Line).
D BELT	Receives driver side seat belt warning signal from main body ECU (CAN V1 Bus).
ABS	Receives ABS warning signal from brake actuator assembly (skid control ECU) (CAN V1 Bus).
POWER STEERING	Receives power steering warning signal from steering column assembly (power steering ECU) (CAN V1 Bus).
FRONT FOG*1	Receives front fog light indicator signal from main body ECU (CAN V1 Bus).
AUTOMATIC HIGH BEAM*2	Receives automatic high beam indicator signal from main body ECU (CAN V1 Bus).
HEAD*3	Receives head indicator signal from main body ECU (CAN V1 Bus).
TAIL*4	Receives tail indicator signal from main body ECU (CAN V1 Bus).
SET*5	Receives cruise set indicator signal from ECM (CAN V1 Bus).
MAINT REQD*3	Oil maintenance reminder light comes on or blinks to remind the driver to change the engine oil depending on the vehicle driving distance.
AWD*6	Receives AWD warning signal from 4WD control ECU (CAN V1 Bus).
TRAC OFF	Receives TRAC OFF indicator signal from brake actuator assembly (skid control ECU) (CAN V1 Bus).
TIRE PRESSURE	Receives tire pressure warning signal from tire pressure warning ECU (Direct Line).
WASHER	Receives washer level warning signal from washer level warning switch (Direct Line).
SECURITY*7	Receives signal from certification ECU (smart key ECU assembly)8 or transponder key ECU assembly9 (Direct Line).
MASTER WARNING	Receives signal from each ECU (CAN V1 Bus).
SLIP	Receives VSC indicator signal from skid control ECU (brake actuator assembly) (CAN V1 Bus).
CRUISE*5	Receives cruise main indicator signal from ECM (CAN V1 Bus).
ECO	Receives ecology light indicator signal from ECM (CAN V1 Bus).
PCS*10	Receives PCS indicator signal from seat belt control ECU (CAN V2 Bus).
3RD SEAT*11	Receives 3rd seat indicator signal from fold seat control ECU (Direct Line).
SLIP OFF	Receives VSC off indicator signal from brake actuator assembly (skid control ECU) (CAN V1 Bus).
DYNAMIC RADAR CRUISE*12	Receives dynamic radar cruise main indicator signal from driving support ECU (CAN V1 Bus).
READY*12	Receives dynamic radar cruise set indicator signal from driving support ECU (CAN V1 Bus).

*1: w/ Front Fog Light
*2: w/ Automatic High Beam System
*3: for U.S.A.
*4: except U.S.A.
*5: w/ Cruise Control System
*6: for AWD
*7: w/ Engine Immobiliser System
*8: w/ Smart Key System
*9: w/o Smart Key System
*10: w/ Pre-collision System
*11: w/ Power Seat Type
*12: w/ Dynamic Radar Cruise Control System

BUZZER

Item	Signal Description
Seat belt warning	Buzzer ON: When ignition switch is ON, seat belt is unfastened, and vehicle speed is 20 km/h (12.4 mph) or more.
Power steering buzzer	Buzzer ON: Receives signal from steering column assembly (power steering ECU).
Key reminder*1	Buzzer ON: Ignition switch is off, key is inserted, and driver side door is open.
Smart key warning*2	Buzzer ON: Receives signal from certification ECU (smart key ECU assembly).
Immobiliser buzzer*3	Buzzer ON: Receives signal from transponder key ECU1 or certification ECU (smart key ECU assembly)2.
Master warning buzzer	Buzzer ON: Receives signal from each ECU.
Dynamic radar cruise low speed cancel buzzer*4	Buzzer ON: Receives signal from driving support ECU.
Dynamic radar cruise warning buzzer*4	Buzzer ON: Receives signal from driving support ECU.
PKB reminder	Buzzer ON: When ignition switch is ON, parking brake is operating, and vehicle speed is 5 km/h (3.1 mph) or more.
Driving with any door opened warning buzzer	Buzzer ON: When ignition switch is ON, door is open, and vehicle speed is 5 km/h (3.1 mph) or more.
Shift down reject buzzer	Buzzer ON: Receives signal from ECM.

*1: w/o Smart Key System
*2: w/ Smart Key System
*3: w/ Engine Immobiliser System
*4: w/ Dynamic Radar Cruise Control System

OTHER

Item		Signal Description
Cruise information	ODO meter	The display can be switched using the MODE switch located on the lower left of the combination meter assembly.
	TRIP meter
	Eco Driving Indicator Light customize screen
Shift position indicator display		Display the shift position and shift range.
Dynamic radar cruise control display*1		Display the operating condition of the dynamic radar cruise control.

*1: w/ Dynamic Radar Cruise Control System

ACCESSORY METER ASSEMBLY (w/ Multi-information Display)

Item		Signal Description
Cruise information display	Average fuel economy	Six types of information (average fuel economy, Eco Driving Indicator Zone Display, current fuel economy, driving range, average speed, trip timer) can be displayed.
	Eco Driving Indicator Zone Display
	Current fuel economy
	Driving range
	Average speed
	Trip timer
Multi-information display	Each system warning	Interrupts the multi-information display immediately when a warning occurs.
	Custom setting display	Displays the customized setting of each item.
	Rear view monitor display*1	Displays the image of the area behind the vehicle.
Outside temperature		Displays the outside temperature.
Illumination control		Displays the current illumination level and adjust the combination meter assembly brightness.
Air conditioning		Interrupts the multi-information display immediately when air conditioning is operated.

*1: w/o Navigation System

MULTI-INFORMATION DISPLAY FLOW CHART

Fig 2: Multi-Information Display Flow Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

LED CHECK

Check the indicator/warning light operation according to the condition(s) in the table below.

Indicator/Warning Light	Specification
BRAKE, ABS, MAINT REQD1, SLIP, SLIP OFF, TRAC OFF, WASHER, TIRE PRESSURE, ECO, READY2, PCS*3	Indicator/Warning light comes on for about 3 seconds after turning the ignition switch to ON.
AWD*4	Warning light comes on for about 4 seconds after turning the ignition switch to ON.
SRS	Warning light comes on for about 6 seconds after turning the ignition switch to ON.
CHARGE, POWER STEERING, OIL PRESSURE, MIL, MASTER WARNING	Indicator/Warning light comes on after turning the ignition switch to ON and the indicator light goes off after the engine starts.

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