METER / GAUGE SYSTEM SYSTEM DIAGRAM
CAN SIGNAL
DIRECT LINE SIGNAL
Combination Meter Assembly
INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY
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
Tachometer
Engine speed
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Fuel receiver gauge
Fuel level
Fuel sender gauge assembly
Direct line
Combination meter assembly
Engine coolant temperature receiver gauge
Engine coolant temperature
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
ODO/TRIP meter
ODO/TRIP change
Trip switch
Direct line
Combination meter assembly
ODO signal
Skid control ECU
CAN (CAN No. 1 bus)
Meter illumination
Illumination level
Light control rheostat
Direct line
Combination meter assembly
Accessory meter assembly*
Accessory meter information
Combination meter assembly
LIN
Accessory meter assembly
*: w/o Navigation System
Warning or Indicator
Warning or Indicator
Communication Signal
Sender
Communication Line
Receiver
Turn indicator light
Turn indicator
Turn signal flasher
Direct line
Combination meter assembly
Charge warning light
Charge warning light
Generator
Direct line
Combination meter assembly
Open door warning light
Each door courtesy switch
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Multi-terrain select indicator light*1
Multi-terrain select indicator light
Driving support switch control ECU
CAN (CAN MS bus)
Combination meter assembly
CRAWL indicator light*2
CRAWL indicator
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
KDSS indicator light
KDSS indicator
Stabilizer control ECU
CAN (CAN No. 2 bus)
Combination meter assembly
2nd START indicator light
2nd START indicator
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
PCS warning light
PCS warning
Driving support ECU assembly
CAN (CAN No. 2 bus)
Combination meter assembly
ABS warning light
ABS warning light
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Brake warning light
Brake warning light
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Parking brake switch
Main body ECU
CAN (CAN No. 1 bus)
Brake fluid level
Brake fluid level warning switch
CAN (CAN No. 1 bus)
MIL (Malfunction Indicator Lamp)
MIL (Malfunction Indicator Lamp)
ECM
Direct line
Combination meter assembly
VSC OFF indicator light
VSC OFF indicator
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Slip indicator light
Slip indicator
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Downhill assist control indicator light*3
Downhill assist control indicator light
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Front fog indicator light
Front fog indicator
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Rear fog indicator light*4
Rear fog indicator
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Tail indicator light
Taillight
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
High beam indicator light
High beam indicator light
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Driver side seat belt warning light
Driver side seat belt buckle switch
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Master warning light
Each system warning
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Certification ECU
ECM
Main body ECU
Clearance warning ECU*9
CAN (CAN No. 2 bus)
Parking assist ECU*10
Driving support ECU assembly*7
Suspension control ECU
Seat belt control ECU*6
Oil pressure switch
Direct line
SRS warning light
SRS warning light
Center airbag sensor assembly
CAN (CAN No. 1 bus)
Combination meter assembly
Cruise set indicator light
Cruise set indicator
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Eco driving indicator light
Ecology lamp indicator
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Cruise indicator light
Cruise main indicator
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Radar cruise indicator light*7
Radar cruise indicator light
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Clearance sonar indicator light*5, *10
Clearance sonar indicator
Clearance warning ECU
CAN (CAN No. 2 bus)
Combination meter assembly
AFS OFF indicator light
AFS OFF indicator
AFS ECU (Headlight swivel ECU assembly)
CAN (CAN No. 2 bus)
Combination meter assembly
Fuel level warning light
Fuel level
Fuel sender gauge assembly
Direct line
Combination meter assembly
4LO indicator light
4LO indicator
Four wheel drive control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Center differential lock indicator light
Center differential lock indicator
Four wheel drive control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
SPEED LIMIT indicator light*8
SPEED LIMIT indicator
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
*1: w/ Multi-terrain Select
*2: w/ CRAWL Control
*3: w/ Downhill Assist Control
*4: w/ Rear Fog Light
*5: w/ LEXUS Parking Assist-sensor System
*6: w/ Pre-crash Safety System
*7: w/ Dynamic Radar Cruise Control
*8: for Middle East
*9: w/o Parking Assist Monitor System and/or Side Monitor System
*10: w/ Parking Assist Monitor System and/or Side Monitor System
Cruise Information Display
Cruise Information Display
Communication Signal
Sender
Communication Line
Receiver
Current fuel consumption
Engine speed
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Fuel injection
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
ODO
Average fuel consumption
Engine speed
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Fuel injection
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
ODO
Multi-information switch
Multi-information switch (Steering pad switch assembly)
LIN
Cruising range
Engine speed
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Fuel injection
Engine type
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
Fuel level
Fuel sender gauge assembly
Direct line
Average vehicle speed
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
ODO
Engine speed
ECM
Multi-information switch
Multi-information switch (Steering pad switch assembly)
LIN
Elapsed time
Engine speed
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Multi-information switch
Multi-information switch (Steering pad switch assembly)
LIN
Average fuel consumption after refueling display
Engine speed
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Fuel injection
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
ODO
Outside temperature
Outside temperature
Air conditioner amplifier assembly
CAN (CAN power management bus)
Combination meter assembly
Multi-information Display
Multi-information Display Message
Communication Signal
Sender
Communication Line
Receiver
Multi-terrain select message*1
Multi-terrain select message
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Washer level message
Washer level
Washer level switch
Direct line
Combination meter assembly
Sliding roof message
Sliding roof message
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Entry and start system message
Entry and start system message
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Certification ECU
TRC OFF message
TRC OFF message
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Release parking brake message
Parking brake switch
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
Oil pressure message
Oil pressure message
Oil pressure switch
Direct line
Combination meter assembly
Open door message
Each door courtesy switch
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Clearance sonar indicator*2
Clearance sonar indicator
Clearance warning ECU*6
CAN (CAN No. 2 bus)
Combination meter assembly
Parking assist ECU*7
CRAWL control system message*3
CRAWL control system message
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
A/T fluid temperature high message
A/T fluid temperature high message
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Air suspension message
Air suspension message
Suspension control ECU
CAN (CAN No. 2 bus)
Combination meter assembly
Pre-crash safety system message*4
Pre-crash safety system message
Seat belt control ECU
CAN (CAN No. 2 bus)
Combination meter assembly
Dynamic radar cruise message*6
Dynamic radar cruise control message
Driving support ECU assembly
CAN (CAN No. 2 bus)
Combination meter assembly
ECM
Eco driving indicator zone display
Eco-zone indicator level
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
Steering angle
Steering angle
Steering angle sensor (Spiral cable sub-assembly)
CAN (CAN No. 1 bus)
Combination meter assembly
DTC message
Each system warning
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Center airbag sensor assembly
ECM
Driving support ECU assembly*5
CAN (CAN No. 2 bus)
Suspension control ECU
Seat belt control ECU*4
Stabilizer control ECU
*1: w/ Multi-terrain Select
*2: w/ LEXUS Parking Assist-sensor System
*3: w/ CRAWL Control
*4: w/ Pre-crash Safety System
*5: w/ Dynamic Radar Cruise Control System
*6: w/o Parking Assist Monitor System and/or Side Monitor System
*7: w/ Parking Assist Monitor System and/or Side Monitor System
Buzzer
Buzzer
Communication Signal
Sender
Communication Line
Receiver
Sliding roof open warning
Sliding roof open warning buzzer request
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Dynamic radar cruise control low speed cancel buzzer*1
Dynamic radar cruise control low speed cancel buzzer
Driving support ECU assembly
CAN (CAN No. 2 bus)
Combination meter assembly
Engine immobiliser certification buzzer
Certification complete
ID code box
CAN (CAN No. 1 bus)
Combination meter assembly
Shift down reject buzzer
Shift down reject buzzer
ECM
CAN (CAN No. 1 bus)
Combination meter assembly
4WD buzzer
4WD buzzer
Four wheel drive control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Driving with any door opened warning buzzer
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Each door courtesy switch
Main body ECU
PKB-ON driving warning buzzer
Parking brake switch
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
Entry and start system warning buzzer
Entry and start system warning buzzer request
Certification ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Seat belt warning buzzer
Driver side seat belt buckle switch
Main body ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Driver side door courtesy switch
Front passenger side door courtesy switch
Front passenger side seat belt buckle switch
Center airbag sensor assembly
CAN (CAN No. 1 bus)
Shift position R signal
ECM
CAN (CAN No. 1 bus)
Shift position P signal
ECM
CAN (CAN No. 1 bus)
Vehicle speed
Skid control ECU
CAN (CAN No. 1 bus)
Master warning buzzer
Each system warning
Skid control ECU
CAN (CAN No. 1 bus)
Combination meter assembly
Certification ECU
ECM
Main body ECU
Clearance warning ECU*2
CAN (CAN No. 2 bus)
Driving support ECU assembly*1
Suspension control ECU
Seat belt control ECU*3
Oil pressure switch
Direct line
*1: w/ Dynamic Radar Cruise Control System
*2: w/ LEXUS Parking Assist-sensor System
*3: w/ Pre-crash Safety System
Others
Signal
Communication Signal
Sender
Communication Line
Receiver
Vehicle speed signal
Vehicle speed
Skid control ECU
Direct line
Combination meter assembly
Vehicle speed
Combination meter assembly
Direct line
ECM
Radio receiver assembly*1
Display and navigation module display*2
Stereo component amplifier assembly
Power management control ECU
Windshield wiper switch assembly
Front passenger side seat belt warning light
Front passenger side seat belt buckle switch
Combination meter assembly
Direct line
Heater control switch board*1
Display and Navigation Module Display*2
*1: w/o Navigation System
*2: w/ Navigation System
