Walkaround Module

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Walkaround Module

2013 GS 350 Technical Introduction

Walkaround Module

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2013 GS 350 Technical Introduction

Interior/Exterior Worksheet

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2013 GS 350 Technical Introduction

Wheels and Tires

Tire Size P225/50R17 P235/40R19

Disc

Wheel

Size 17 x 7 1/2 J 19 x 8 J

Fr: P235/40R19

Rr: P265/35R19

Fr: 19 x 8 J

Rr: 19 x 9 J

Material Aluminum ← ←

Bolt

Pattern

Wheel Design

114.3 mm (4.5 in.) ← ←

Offset 45 mm (1.77 in.) ←

Fr: 45 mm (1.77 in.)

Rr: 60 mm (2.24 in.)


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2013 GS 350 Technical Introduction

Wheels and Tires

Tire Size P235/45R18

Disc

Wheel

Size 18 x 8 J

Material Aluminum

Bolt

Pattern

Wheel Design

114.3 mm (4.5 in.)

Offset 45 mm (1.77 in.)

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2013 GS 350 Technical Introduction

Smart Access

2.3 – 3.3 ft.

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No.1 Indoor

Oscillator

No. 2 Indoor

Oscillator

2013 GS 350 Technical Introduction

Smart Access

No. 3 Indoor

Oscillator

Outside Oscillator

Door Handle Assembly (x4)

Door Control and Tire

Pressure Monitoring

System Receiver ECU

Luggage Key

Switch

30


Tire Pressure

Monitor Valve

and Transmitter

2013 GS 350 Technical Introduction

Smart Access and TPMS ECU

TPMS Receiver

Integrated Antenna

Certification

ECU

Door Control Receiver

Door Control and Tire Pressure Monitoring System Receiver ECU

Smart Key

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2013 GS 350 Technical Introduction

Smart Access

Power Source Mode

OFF

ACC-ON / IG-ON

Engine can be started

Engine started

Multi-information

Display

POWER ON

32


Near-infrared

Ray Emitter

Daytime

Running

Lights

2013 GS 350 Technical Introduction

Headlights

Light Type Watts

High / Low Beam Discharge 35

Daytime Running Lights LED x 9 0.7

Front Turn Signal Incandescent 21

Front Side Marker LED 0.2

Near-infrared Ray Emitter LED 15.5

Front Turn Signal

High / Low Beam

Front Side Marker

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2013 GS 350 Technical Introduction

Fuel Door

Door Lock Operation

Fuel Lid

Lock Unlock

Wireless Lock Control

Entry Function

Key-linked Lock or Unlock

Keyless Lock —

Manual Lock and Unlock

Function

X

Automatic Door Lock or Unlock X

Automatic Relock —

Fuel Lid With Motor

Lock Assembly : Operates X: Does not operate —: Not applicable

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ECM

Skid Control ECU

AUTO Switch

Manual Switch

2013 GS 350 Technical Introduction

Electric Parking Brake

Yaw Rate Sensor

Parking Brake ECU

Parking Brake Actuator

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Parking Brake

Actuator

Emergency Release

Cable

2013 GS 350 Technical Introduction

Electric Parking Brake Release

Screwdriver Handle &

Release Rod

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Tire Pressure

Warning Valve and

Transmitter (x4)

2013 GS 350 Technical Introduction

Tire Pressure Monitoring System

Tire Pressure

Warning Initiators

Door Control and Tire

Pressure Monitoring

System Receiver

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Main Body ECU

2013 GS 350 Technical Introduction

Tire Pressure Monitoring System

Tire Pressure

Warning Reset

Switch

Tire Pressure

Warning Initiator

Driver

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2013 GS 350 Technical Introduction

Tire Pressure Monitoring System

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Main Body ECU

Initiator Driver

2013 GS 350 Technical Introduction

Tire Pressure Monitoring System

Front Initiator

Rear Initiator

Front Initiator Signal Rear Initiator Signal

Left Front Strong Medium

Left Rear Medium Strong

Right Front Medium Weak

Right Rear Weak Medium

Door Control and

Tire Pressure

Monitoring System

Receiver

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Driver Monitor

ECU

Driving

Support

ECU

Stop Light

Switch

Heads-up

Display

2013 GS 350 Technical Introduction

Pre-collision System

Driver Monitor

Camera

Front Steering

Control ECU

Outer Seatbelt

Inner Belt

Absorber Control

ECU

Yaw Rate

Sensor

Airbag

Sensor

Outer Seatbelt

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Condition

Multi-information Display

and Buzzer Warnings

Brake Assist Standby

Seat Belt Retraction

Brake Operation

2013 GS 350 Technical Introduction

Pre-collision System

: Only when the driver is not facing forward or if eyes are closed

: If the preceding vehicle is moving

Normal

Driving

Possibility

of Collision

Buzzer

Alert

Braking

High Possibility

of Collision Unavoidable Collision

Displays

&

PCS

&

Blinks

Buzzer

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2013 GS 350 Technical Introduction

Driver Monitor Camera

Lens

CCD

Driver

Monitor

ECU

Driver Monitor

Camera

Near-infrared

LED

Near-infrared Light

Visible Light

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2013 GS 350 Technical Introduction

Image Processing

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2013 GS 350 Technical Introduction

Remote Touch

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2013 GS 350 Technical Introduction

Multi Display

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2013 GS 350 Technical Introduction

Multi Display Functions

Function

Without Navigation

System

With HDD Navigation

System

AM/FM Tuner

XM Satellite Radio Tuner —

HD Radio Tuner —

Radio Station Mix Preset —

Radio Broadcast Data System (RBDS) —

CD Player

DVD Player

Bluetooth Audio

USB Audio System (USB Terminal)

Voice Recognition Search —

AUX Terminal

Bluetooth Hands-free

Bluetooth Phone Message —

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2013 GS 350 Technical Introduction

Multi Display Functions

Function

Without Navigation

System

With HDD Navigation

System

Navigation System —

“Split Screen” Function —

Customize Opening Image —

Customize Screen-off Image —

Fuel Consumption —

Air Conditioning Display —

Vehicle Customization —

XM Service —

LEXUS ENFORM —

Entune —

Safety Connect —

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Mode Control

Door (DEF)

Outside

Air

Inside

Air

2013 GS 350 Technical Introduction

Air Conditioner

Cross Section

Evaporator

Heater

Radiator

PTC Heater

Blower with

Fan Motor

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2013 GS 350 Technical Introduction

Air Conditioner S-FLOW Mode

S-FLOW Switch

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2013 GS 350 Technical Introduction

Clean Air Filter

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2013 GS 350 Technical Introduction

Reverse-linked Mirrors

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Occupant

Classification ECU

Front Airbag

Sensors

2013 GS 350 Technical Introduction

SRS

Occupant

Classification

Sensors

Seat Position

Sensor

Curtain Shield

Airbags

Side Airbag

Sensors (x6)

Seatbelt

Pretensioner and

Force Limiter (x4)

Side Airbag (x4)

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2013 GS 350 Technical Introduction

Underhood / Undercar Worksheet

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2013 GS 350 Technical Introduction

Intake and Exhaust

Main Muffler

New GS 350 Previous GS 350

Intake Air

Sound Creator

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2013 GS 350 Technical Introduction

Fuel Tank and Charcoal Canister

Charcoal Canister

Assembly

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2013 GS 350 Technical Introduction

Fuel Pump Control

Fuel Pump

Assembly

Fuel Pump

Control ECU

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Front Brake

Rear Brake

Parking

Brake

2013 GS 350 Technical Introduction

Brakes

Model Except RWD F Sport RWD F Sport

Caliper Type OS12WC OS12WS

Wheel Cylinder Diameter 1.69 in. x 4 (each caliper)

Rotor Size (D x T) 13.1 in. x 1.18 in. 14.0 in. x 1.18 in.

Pad PV565H T4146

Caliper Type RNR40

Wheel Cylinder Diameter 1.59 in.

Rotor Size (D x T) 12.2 in. x 0.71 in.

Pad NS542

Type Electric parking brake

Brake Control System

VDIM (ABS, EBD, Brake Assist, TRAC, VSC, Hill-start

Assist Control)

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Washer

Spring

2013 GS 350 Technical Introduction

RWD F Sport Front Rotors

Cross Section

Pin

Air Flow

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Brake Actuator and

Skid Control ECU

ECM

2013 GS 350 Technical Introduction

Brake Control System

Power Steering

ECU

Parking Brake

ECU

Rear Steering

Control ECU

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Brake Pedal Load

Sensing Switch

Driving Support

ECU

Stop Light

Switch

2013 GS 350 Technical Introduction

Brake Control System

Network Gateway

ECU

Steering Angle

Sensor

Front Steering

Control ECU

Yaw Rate Sensor

Absorber

Control ECU

4WD ECU

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2013 GS 350 Technical Introduction

Front Suspension (RWD)

Lower No. 2

Arm Bracket

Absorber Control

Actuators

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2013 GS 350 Technical Introduction

Front Suspension (AWD)

Camber Adjust

Cam No. 1

Camber Adjust

Cam No. 2

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Toe Adjustment

Cams

2013 GS 350 Technical Introduction

Rear Suspension

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2013 GS 350 Technical Introduction

Alignment Specifications

Front (RWD) Front (AWD) Rear (RWD) Rear (AWD)

Caster 7°52' +/-45' 4°41' +/-45'

Camber -0°13' +/-45' -0°28' +/-45' -1°29' +/-45' -1°15' +/-45'

Toe-in 1 +/-2 mm 1 +/-2 mm 3 +/-2 mm 3 +/-2 mm

SAI 10°28' +/-45' 10°49' +/-45'





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A/C Amplifier

Driving Support

ECU

2013 GS 350 Technical Introduction

Electric Power Steering

Front Steering

Control ECU

Steering Angle

Sensor

Absorber

Control ECU

ECM

Power Steering

Link Assembly

Skid Control ECU

Power Steering

ECU

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Driving Support

ECU

2013 GS 350 Technical Introduction

Variable Gear Ratio Steering (VGRS)

Front Steering

Control ECU

Steering Angle

Sensor

Absorber

Control ECU

Steering Actuator

Power Steering

Link Assembly

Skid Control ECU

Power Steering

ECU

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2013 GS 350 Technical Introduction

Dynamic Rear Steering

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2013 GS 350 Technical Introduction

Dynamic Rear Steering

Rear Steering

Link Assembly

Rear Steering

Control ECU

Driving Support

ECU

Front Steering

Control ECU

Steering Angle

Sensor

Absorber

Control ECU

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Rear Steering Rack

End Assembly

2013 GS 350 Technical Introduction

Rear Steering Link Assembly

Stroke Sensor

Reduction Mechanism

Portion

DC Motor

Rear Steering Rack

End Assembly

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Rear Steering

Nut

2013 GS 350 Technical Introduction

DC Motor and Reduction Mechanism

Rear Steering

Rod

Carrier

Sun Gear

Ring Gear Stator

Rotor

Rotation Angle

Sensor

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2013 GS 350 Technical Introduction

Stroke Sensor

Resolver Sensor

Worm Gear Rear Steering Rod

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LDH

2013 GS 350 Technical Introduction

Lexus Dynamic Handling

EPS

Assists the driver's

steering effort

VGRS

Controls the

turning angle of the

front wheels

DRS

Controls the

turning angle of

the rear wheels

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2013 GS 350 Technical Introduction

Steering Cooperative Control

Braking Accelerating

Slippery Dry Slippery Dry

Brake Force Drive Force

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2013 GS 350 Technical Introduction

Service Module

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2013 GS 350 Technical Introduction

Multiplex: CAN

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Main Body ECU

Certification ECU

Headlight Swivel

ECU

Windshield Wiper

Switch Assembly

2013 GS 350 Technical Introduction

Multiplex: LIN

Front Multiplex Network Door

ECU LH

Front Multiplex Network Door

ECU RH

Rear Power Window Regulator Motor Assembly LH

Rear Power Window Regulator Motor Assembly RH

Sliding Roof Drive Gear Sub-assembly

Steering Lock ECU

ID Code Box

Headlight Actuator Assembly LH

Headlight Actuator Assembly RH

Rain Sensor

Front Power Window Regulator Motor

Assembly LH

Multiplex Network Master Switch

Assembly

Front Power Window Regulator Motor

Assembly RH

Air Conditioning

Amplifier

: Master ECU for LIN

Rear Control Switch

Refreshing Seat Switch

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2013 GS 350 Technical Introduction

Multiplex: AVC-LAN and MOST

Headup Display

Combination Meter

Multi Display

Rear Control Switch

AVC-LAN

Multi-media

Module Receiver

Assembly

MOST

Stereo

Component

Amplifier

Assembly

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2013 GS 350 Technical Introduction

Power Source Mode Transitions

New Functions

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Lock Pin

2013 GS 350 Technical Introduction

Spiral Cable With Steering Angle Sensor

Spiral Cable

Steering Angle Sensor

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Terminal 1 (History Diagnosis)

2013 GS 350 Technical Introduction

Integration Relay Diagnosis

Terminal 0 (Present Diagnosis)

Battery Voltage

0.5V or Less

Integration Relay

Check integration

relay

Check wiring and

components

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2013 GS 350 Technical Introduction

Headlamp Adjustment

Back of Headlamp

Horizontal and Vertical

Aiming Screw

Vertical Aiming

Screw

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Procedure

2013 GS 350 Technical Introduction

Smart Key Registration Procedure

1. Place existing registered key inside vehicle

2. Confirm registered key and ECU code with Techstream

3. Touch Lexus logo of the unregistered key to engine switch and wait for the

wireless door lock buzzer to sound twice

4. Take unregistered key outside vehicle

5. Complete the registration using Techstream

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2013 GS 350 Technical Introduction

Heads Up Display Test Mode

Start

Press less than

1.5 sec

: HUD main switch is pressed

: Vertical position adjustment switch is pressed

: Brightness adjustment switch is pressed

DTC Clear

Press for 1.5 sec or more

Up Down

Up Down

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Blind Spot Monitor Sensor

2013 GS 350 Technical Introduction

Blind Spot Monitor Sensor Installation

Jig Illustration

Floor Surface

Weight

Straight-edged Block

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2013 GS 350 Technical Introduction

Remote Touch Self Check Mode

Switch Knob

Down Seesaw

Switch

To activate self check, turn the engine switch ON (ACC) while the

switch knob and down seesaw switch are pressed

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No Illumination

2013 GS 350 Technical Introduction

Remote Touch Self Check Mode

MENU Switch MAP/VOICE Switch

Switch Knob Position Recognition

Bright Illumination

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2013 GS 350 Technical Introduction

Navigation Hard Disk Drive Replacement

Multimedia Module

Receiver

HDD

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2013 GS 350 Technical Introduction

Navigation Map Data Update

Map Data

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2013 GS 350 Technical Introduction

Techstream Module

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2013 GS 350 Technical Introduction

Techstream Worksheet

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Procedure

Result

2013 GS 350 Technical Introduction

TPMS Signal Check Utility

1. Connect Techstream to DLC3

2. Turn IG-ON

3. Enter the following menus: Chassis / Tire Pressure Monitor / Utility / Signal Check

4. After entering to Test Mode, turn the IG-OFF

5. Turn IG-ON

6. Drive the vehicle at 31mph or more for 60 seconds or more

7. Check the test mode DTCs

Check Mode DTCs Test Signal Trouble Area if Not Cleared

C2181/81 to

C2181/84

Transmitter Data

C2197/97 Tire Position

C2198/98

TPMS Reset

Switch Signal

• Tire Pressure warning valve and transmitter

• Harness or connector

• Door Control and Tire Pressure Monitoring

System Receiver

• Initiator

• Initiator Driver

• Tire Pressure warning valve and transmitter

• TPMS Reset Switch

• Harness or connector

• Door Control and Tire Pressure Monitoring

System Receiver

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2013 GS 350 Technical Introduction

Dynamic Rear Steering Utilities

Utility Name Description

Activate Rear Steering Motor

DRS Off-center Correction

DRS Neutral Memorization

• Allows inspection of rear steering link operation without having to

drive the vehicle

• Will correct if the rear steering link is not centered

• This utility is performed:

• After replacing the Rear Steering Control ECU

• If rear steering link assembly or rear suspension is removed and

installed, replaced, or adjusted

• Memorizes neutral position and calibrates the motor rotation

angle sensor

• This utility is performed:

• After replacing the Rear Steering Control ECU

• If rear steering link assembly or rear suspension is removed and

installed, replaced, or adjusted

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2013 GS 350 Technical Introduction

Smart Access Operation History

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2013 GS 350 Technical Introduction

Smart Access Operation History

Operation History Types Parameters

Certification ECU Operation Log

(Stored in EEPROM)

Radio Wave Interference

(Stored in RAM)

• Transponder Key Amp Error

• Registration Failed; Vehicle ID Error

• Registration Failed; Except Vehicle ID Error

• Key Registration Max

• ID-BOX Error

• Immobiliser Verification Error

• Lock / Key RF Signal Interference

• Unlock / Key RF Signal Interference

• Operating Engine Switch / Key RF Signal Interference

• Operating Trunk Switch / Key RF Signal Interference

Example:

Although a registered key assembly was held near the engine switch, ID

number certification between the key and the Certification ECU did not

succeed

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[Target Sheet]

2013 GS 350 Technical Introduction

Night View Camera Axis Adjustment

1015 mm

(39.96 in.)

SST

3007 mm (123.39 in.)

1250 mm

(49.21 in.)

Night View

Camera

96


(1)

(2)

Left Side

(3) (4)

2013 GS 350 Technical Introduction

Blind Spot Monitor Beam Axis Inspection

1.48 ft. (0.45 m)

Right Side

Clear Area Clear Area

(4) (3)

(1)

(2)

(1) 6.56 ft. (2.0 m)

(2) 26.24 ft. (8.0 m)

(3) 19.68 ft. (6.0 m)

(4) 9.84 ft. (3.0 m)

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2013 GS 350 Technical Introduction

Blind Spot Monitor Beam Axis Inspection

Move the reflector between positions A, B & C and verify that the mirror indicator

turns ON and OFF in the proper locations.

Within

Acceptable

Range

C

ON

B

OFF

A

Ideal

Range

C B A

C B A

ON OFF

ON OFF

Reflector SST Position

Within

Acceptable

Range

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2013 GS 350 Technical Introduction

Multimedia Module

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2013 GS 350 Technical Introduction

Smart Phones and Applications

Mobile

Apps

Enform Apps Suite Applications

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2013 GS 350 Technical Introduction

Enform Apps Suite

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2013 GS 350 Technical Introduction

Applications

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2013 GS 350 Technical Introduction

SiriusXM Information Services

Fuel Price – find local fuel prices and add the gas station as a destination

Sports – track favorite sports teams

Stocks – receive stock prices and news of favorite companies

Traffic – displays traffic conditions on the navigation screen

Weather – see weather in the local area including multi-day forecasts

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2013 GS 350 Technical Introduction

Compatible Smartphones

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2013 GS 350 Technical Introduction

Enform Account

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LexusEnform

2013 GS 350 Technical Introduction

Enform App

Phone Home Sign-in Connecting

Links to online app

stores can be found

at lexus.com/enform

Enform Home

When Not

Connected to Car

Enform Home

When Connected

to Car

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2013 GS 350 Technical Introduction

Pairing

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2013 GS 350 Technical Introduction

Diagnosis

Enform Diagnosis Unit Diagnosis

Content Provider

Servers

Internet

Connection

Enform Server

• Server

• Account

( ( ( ( ( ( (

3G Connection

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2013 GS 350 Technical Introduction

Service Evaluation

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2013 GS 350 Technical Introduction

Validate Phone Compatibility

To access the compatibility portal on TIS:

1. Click the Diagnostics tab

2. Click the Telematics tab

3. Click Lexus Bluetooth ® Compatibility Information

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2013 GS 350 Technical Introduction

Verify Account Registration

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2013 GS 350 Technical Introduction

Confirm Enform Application

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2013 GS 350 Technical Introduction

Pairing & Head Unit Functionality

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Multimedia Module

Receiver Assembly

Amplifier

Safety

Connect

2013 GS 350 Technical Introduction

Head Unit

Remote CAN

Touch (Local bus)

MOST

Cellular

XM

Receiver

DCM

Microphone

Multi Display

AVC-LAN Video

Navigation

Receiver

Radio

Receiver

Multimedia

ECU

USB

Connector

Bluetooth

Module

XM Antenna

Cellular

( ( ( ( (

Satellite

Enform

Pandora

Bing

MovieTickets

iheartradio

OpenTable

Facebook Places

Yelp!

• SiriusXM Satellite Radio

• SiriusXM Sports

• SiriusXM Stocks

• SiriusXM NavWeather

• SiriusXM NavTraffic

• SiriusXM Fuel Price

App Provider Servers

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