Home › Vehicle Interior › Meter/Gauge/Display › METER / GAUGE SYSTEM
Last Modified: 11-27-2007 1.6 U
Service Category: Vehicle Interior Section: Meter/Gauge/Display
Model Year: 2008 Model: LX570 Doc ID: RM000002Z4R005X
Title: METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: SYSTEM DIAGRAM (2008 LX570)

SYSTEM DIAGRAM





Communication Table

Sender

Receiver

Communication Signal

Communication Line

Combination meter assembly
  • ECM
  • Main body ECU

Vehicle speed signal

Direct Line
  • Main body ECU

Rheostat duty signal

CAN
  • ECM

Vehicle specification signal

(Destination/Handle code)

Display and navigation module display*1

Multi-display*2

Front passenger side seat belt warning light signal

CAN

ECM

Combination meter assembly
  • ECT PWR indicator light signal
  • CRUISE main indicator light signal
  • Engine coolant temperature signal
  • ATF temperature signal
  • Current gear position signal
  • Fuel injection information signal
  • Engine speed data
  • CHARGE indicator light signal

CAN

MIL signal

Direct Line

Center airbag sensor

Combination meter assembly
  • Passenger side seat belt buckle switch signal
  • SRS warning light signal
  • Diagnosis signal

CAN

Four wheel drive control ECU

Combination meter assembly
  • 4LO indicator light signal
  • Center differential lock indicator light signal

CAN

Skid control ECU

Combination meter assembly
  • ABS warning light signal
  • Slip indicator light signal
  • Vehicle speed signal
  • Brake warning light signal
  • CRAWL indicator light signal

CAN

Main body ECU

Combination meter assembly
  • Driver side seat belt buckle switch signal
  • Courtesy light switch signal
  • BEAM indicator light signal
  • HEAD indicator light signal*3
  • TAIL indicator light signal*4
  • FRONT FOG indicator light signal

CAN

Tire pressure warning ECU

Combination meter assembly

Tire pressure warning light signal

CAN

Seat belt control ECU*5

Combination meter assembly

PCS indicator light signal

CAN

ECM

Combination meter assembly
  • Shift position P signal
  • Shift position R signal
  • Shift position N signal
  • Shift position D signal
  • Shift position 6 signal
  • Shift position 5 signal
  • Shift position 4 signal
  • Shift position 3 signal
  • Shift position 2 signal
  • Shift position 1 signal
  • Sports mode enable signal
  • Shift position signal
  • Sports shift reject buzzer signal

CAN

Steering pad switch

Combination meter assembly

Steering pad switch operation signal

Direct Line

Fuel sender gauge

Combination meter assembly

Fuel level signal

Direct Line

Turn signal flasher assembly

Combination meter assembly

Turn signal indicator (LH/RH) signal

Direct Line

Washer fluid level sensor

Combination meter assembly

Washer information signal

Direct Line

Parking assist ECU*6

Combination meter assembly
  • Clearance sonar indicator light signal
  • Clearance sonar information signal

CAN

Suspension control ECU

Combination meter assembly
  • Access mode indicator light signal
  • 4-wheel AHC information signal

CAN

Headlight swivel ECU assembly

Combination meter assembly

AFS OFF indicator light signal

CAN

Brake fluid level warning switch

Combination meter assembly

Brake fluid level warning light signal

CAN

Oil level sensor

Combination meter assembly

Engine oil level signal

CAN

Light control rheostat

Combination meter assembly

Illumination signal

Direct Line

Generator

Combination meter assembly

CHARGE warning light signal

Direct Line

Oil pressure sensor

Combination meter assembly

Oil pressure signal

CAN

Air conditioning amplifier

Combination meter assembly

Outside temperature information signal

CAN

Fold seat control ECU LH*7

Combination meter assembly

3rd seat information signal

Direct Line

Fold seat control ECU RH*7

Combination meter assembly

3rd seat information signal

Direct Line

Distance control ECU*8

Combination meter assembly
  • Diagnosis signal
  • Vehicle-to-vehicle distance control signal
  • Vehicle-to-vehicle distance signal
  • Front millimeter wave radar sensor grime signal
  • Bad weather detection signal
  • Approach warning signal
  • Preceding vehicle detection signal
  • Front millimeter wave radar sensor beam axis deviation signal
  • Dynamic radar cruise warning signal
  • Cruise control vehicle speed signal
  • Constant speed cruise signal
  • Radar sensor information signal

CAN

Certification ECU (Smart key ECU assembly)

Combination meter assembly
  • Inside key existence warning signal
  • Low key battery warning signal
  • Shift position warning signal
  • Meter buzzer request signal
  • Door unlock mode display signal
  • Steering lock warning signal
  • Security warning light signal

CAN

*1: w/ Navigation System

*2: w/o Navigation System

*3: for U.S.A.

*4: except U.S.A.

*5: w/ Pre-Collision System

*6: w/ Intuitive Parking Assist System

*7: w/ Rear Power Seat Control System

*8: w/ Dynamic Radar Cruise Control System