System Description

OUTLINE OF THE COMBINATION METER

Fig 1: Identifying Combination Meter System Description

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

METER GAUGE

Item	Detail
Speedometer	Indicates the vehicle speed based on a signal received from the skid control ECU. (CAN (CAN No. 1 Bus))
Tachometer	Indicates the engine speed based on a signal received from the ECM. (CAN (CAN No. 1 Bus))
Engine Coolant Temperature Receiver Gauge	Indicates the engine coolant temperature based on a signal received from the ECM. (CAN (CAN No. 1 Bus))
Fuel Receiver Gauge	Indicates the fuel level based on a fuel level signal received from the fuel sender gauge. (Main and Sub*1) (Direct Line)

WARNING/INDICATOR

Item	Detail
Turn	Receives a turn signal from the turn signal flasher. (Direct Line)
High beam	Receives a high beam indicator light signal from the H-LP RH HI fuse. (Direct Line)
Charge	Receives a charge indicator light signal from the generator. (Direct Line)
MIL (Check engine)	Receives a check engine warning light signal from the ECM. (Direct Line)
Door	Receives a door condition signal from the main body ECU (CAN (CAN No. 1 Bus)) and turns on the open door warning light.
Driver side seat belt	Receives a driver side seat belt signal from the center airbag sensor assembly. (CAN (CAN No. 1 Bus))
Front passenger side seat belt	Receives a passenger side seat belt signal from the center airbag sensor assembly and transmits a passenger side seat belt condition signal to the telltale light assembly. (Direct Line)
Head*2	Receives a head indicator light signal from the daytime running light relay. (Direct Line)
Tail*3	Receives a tail indicator light signal from the TAIL fuse. (Direct Line)
Front fog*4	Receives a front fog indicator light signal from the Front Fog Relay. (Direct Line)
MAINTENANCE*2	Indicates the exchange time of oil based on the mileage integrated valve in meter.
A/T shift	Receives an A/T shift condition signal from the park/neutral position switch and the ECM. (CAN (CAN No. 1 Bus))
Fuel	Receives a fuel signal from the fuel sender gauge. (Direct Line)
ABS	Receives an ABS signal from the skid control ECU. (CAN (CAN No. 1 Bus))
Slip	Receives a slip signal from the skid control ECU. (CAN (CAN No. 1 Bus))
Brake	Receives a brake signal from the brake fluid level warning switch (Direct Line) and the skid control ECU. (CAN (CAN No. 1 Bus))
Cruise	Receives a cruise signal from the ECM. (CAN (CAN No. 1 Bus))
Set	Receives a set indicator light signal from the ECM. (CAN (CAN No. 1 Bus))
SRS	Receives an SRS signal from the center airbag sensor assembly. (CAN (CAN No. 1 Bus))
VSC OFF	Receives a VSC OFF signal from the skid control ECU. (CAN (CAN No. 1 Bus))
TRAC OFF	Receives a TRAC OFF indicator light signal from the skid control ECU. (CAN (CAN No. 1 Bus))
EPS	Receives an EPS signal from the power steering ECU. (CAN (CAN No. 1 Bus))
Oil pressure	Receives an oil pressure signal from the oil pressure switch. (Direct Line)
Washer*3	Receives a washer signal from the washer level warning switch. (Direct Line)
Tire pressure*5	Receives a tire pressure signal from the tire pressure warning ECU. (Direct Line)

*1: for 4WD
*2: for U.S.A.
*3: except for U.S.A.
*4: w/ Front Fog Light
*5: w/ Tire Pressure Warning System

MULTI-INFORMATION DISPLAY

Item	Detail
A/T shift indicator display	Receives a shift position signal from the ECM. (CAN (CAN No. 1 Bus))
ODO/TRIP Display	Indicates the ODO/TRIP data based on a signal received from the skid control ECU. (CAN (CAN No. 1 Bus))
Outside temperature display	Receives a vehicle speed signal from the skid control ECU (CAN (CAN No. 1 Bus)) and an ambient temperature signal from the outside temperature sensor (Direct Line), and indicates the outside temperature.

LED INITIAL CHECK

Check the illumination function of the warning, indicator, or reminder light listed below when turning the ignition switch to ON.

Indicator/Warning Light	Specified Condition
Brake, ABS, Slip, EPS, VSC OFF, TRAC OFF, Tire pressure2, 4WD1	Indicator/Warning light comes on for about 3 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, Oil pressure	Indicator/Warning light comes on after turning the ignition switch to ON.
MIL (Check engine)	Warning light comes on while turning the ignition switch to ON and the engine does not start.
Washer level*3, Maintenance	Indicator/Reminder light comes on for about 3 seconds after turning the ignition switch to ON.

*1: for 4WD
*2: w/ Tire Pressure Warning System
*3: except for U.S.A.