FUNCTION OF MAIN COMPONENTS
| Component | Function | |
|---|---|---|
| Radio and Display Receiver Assembly |
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| Navigation ECU | Controls the navigation system based on signals from the radio and display receiver assembly. | |
| Major Components of Navigation ECU | Navigation Computer |
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| Gyro Sensor | Detects the vehicle's vertical axis rotation speed (yaw rate and rotation movement) and sends it to the navigation computer. | |
| GPS Receiver | Demodulates GPS information received by the navigation antenna assembly, calculates the vehicle position and sends the position signal to the navigation computer. | |
| Navigation Antenna Assembly | Receives GPS signals from satellites in orbit around the Earth, at an altitude of approximately 20000 km, and sends them to the radio and display receiver assembly. | |
| Parking Brake Switch Assembly | Sends the parking brake position signal to the radio and display receiver assembly. | |
| Park/Neutral Position Switch Assembly | Sends an R shift position signal to the BACK UP LP relay. | |
| Engine Room Relay Block and Junction Block Assembly
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Sends the R shift position signal to the radio and display receiver assembly. | |
| Window Glass Antenna Wire
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Receives radio broadcasting signals (AM/FM-sub). | |
| Window Glass Antenna Wire
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Receives radio broadcasting signals (FM). | |
| No. 1 Amplifier Antenna Assembly | Amplifies radio broadcasting signals from the radio antenna and sends them to the radio and display receiver assembly. | |
| Steering Pad Switch Assembly | Sends operation signals from switches such as the volume switch, mode switch and voice switch, to the spiral cable with sensor sub-assembly. | |
| Spiral Cable with Sensor Sub-assembly | Sends operation signals from the steering pad switch assembly to the radio and display receiver assembly. | |
| Map Light Assembly | Houses the telephone microphone assembly. | |
| Telephone Microphone Assembly | Recognizes speech during voice recognition system operation and sends the audio signal to the radio and display receiver assembly. | |
| No. 1 Stereo Jack Adapter Assembly |
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| Combination Meter Assembly |
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| Component | Function | |
|---|---|---|
| Navigation Receiver Assembly | Receives and processes data from the built-in components, such as the electrostatic capacitive display panel which allows flick or drag operation, navigation computer, G-sensor, gyro sensor or GPS receiver and various components positioned in different parts of the vehicle, controlling the navigation system and providing various information and the operation status via the multi-display using images, voice and sounds. | |
| Major Components of Navigation Receiver Assembly | Multi-display Panel |
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| Navigation Computer |
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| Gyro Sensor | Detects the vehicle's vertical axis rotation speed (yaw rate and rotation movement) and sends it to the navigation computer. | |
| GPS Receiver | Demodulates GPS information received by the navigation antenna assembly, calculates the vehicle position and sends the position signal to the navigation computer. | |
| microSD Card Slot | Interfaces with the microSD card (disc player disc), which contains map data, the navigation system control program, etc. | |
| microSD Card (Disc Player Disc) | Contains map data and the navigation system control program, etc. | |
| Navigation Antenna Assembly | Receives GPS signals from satellites in orbit around the Earth, at an altitude of approximately 20000 km, and sends them to the navigation receiver assembly. | |
| Parking Brake Switch Assembly | Sends the parking brake position signal to the navigation receiver assembly. | |
| Park/Neutral Position Switch Assembly | Sends an R shift position signal to the BACK UP LP relay. | |
| Engine Room Relay Block and Junction Block Assembly
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Sends the R shift position signal to the navigation receiver assembly. | |
| Window Glass Antenna Wire
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Receives radio broadcasting signals (AM/FM-sub). | |
| Window Glass Antenna Wire
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Receives radio broadcasting signals (FM). | |
| Window Glass Antenna Wire
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Receives radio broadcasting signals (DAB). | |
| No. 1 Amplifier Antenna Assembly | Amplifies radio broadcasting signals from the radio antenna and sends them to the navigation receiver assembly. | |
| Digital Audio Broadcasting Antenna Assembly | Amplifies radio broadcasting signals from the radio antenna and sends them to the navigation receiver assembly. | |
| Steering Pad Switch Assembly | Sends operation signals from switches such as the volume switch, mode switch and voice switch, to the spiral cable with sensor sub-assembly. | |
| Spiral Cable with Sensor Sub-assembly | Sends operation signals from the steering pad switch assembly to the navigation receiver assembly. | |
| Map Light Assembly | Houses the telephone microphone assembly. | |
| Telephone Microphone Assembly | Recognizes speech during voice recognition system operation and sends the audio signal to the navigation receiver assembly. | |
| No. 1 Stereo Jack Adapter Assembly |
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| Combination Meter Assembly |
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FUNCTION
Navigation Screen
The navigation computer calculates the present position and direction of travel, then determines a route and calculates the driving distance based on the following information sources:
- Map data in the navigation ECU*1 or microSD card (disc player disc)*2
- Global Positioning System (GPS) satellites
- Built-in gyro sensor
- Vehicle speed signal
- Reverse signal
- Parking brake signal
- Radio Data System Traffic Message Channel (RDS-TMC) signal
*1: Models with touch system (with navigation ECU)
*2: Models with navigation system
| Item | Function | |
|---|---|---|
| Map Display | Map Color Change | Depending on the position of the light control switch, the screen changes to day mode or night mode. |
| Taillight-interlocked Map Color Change | Changes the color of the map screen that is displayed when the taillights are turned on. | |
| North Up / Heading Up |
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| 3D Display | Displays a 3-dimensional (3D) view of the map. | |
| Multi-step Scale Display | Changes the map scale in 14 steps. | |
| Street Name Indication on Scrolled Map | Displays the street name and city name even when the map screen is being scrolled. | |
| Road Number Sign Board Display | Displays the road number on the map. | |
| Point of Interest Display | Displays selected types of points of interest as marks on the map. | |
| Route Guidance Demonstration | Demonstrates the route guidance to the destination. | |
| Speed Limit Display | Displays the speed limit of the road currently being travelled on. | |
| Safety Camera Display | Displays safety camera icons on the map. | |
| RDS-TMC Display | Displays RDS-TMC icons, arrows and indicators when RDS-TMC service is being received. | |
| Destination Search | Preset Destination Memory Search | Sets a pre-registered point as a destination point while driving. |
| Address Search | A destination can be set by entering a country, and town name/code name, and street/intersection name. | |
| Point of Interest Search | A destination can be set in 2 ways:
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| Online Search | Allows use of an internet search engine to set a destination using the most up to date information. | |
| Previous Destination Search | Stores the coordinates, names, and date of up to 100 locations that have been set as destinations in the past. | |
| Map Search | A destination can be set by scrolling the cursor on the map. | |
| Coordinate Search | A destination can be input by entering its coordinates. | |
| Route Search | Multiple Destination Setting | Sets multiple destinations. It can also rearrange the sequence of the destinations. |
| Multiple Route Search | Searches for multiple routes. | |
| Search Condition Designation | Searches for the fast, short, and ecological routes. | |
| Detour Search | Changes the route to detour around a section of the route. | |
| Regulated Road Consideration | Performs searches which consider regulated roads. | |
| Avoid Traffic Search | Manually changes to another route to avoid heavy congestion. | |
| Guidance | Voice Guidance | Provides voice guidance about the distance and the direction of travel to a destination point based on road conditions and vehicle speed. |
| Next Turn Guidance | Provides guidance about the distance to the next turn and indicates the direction of the turn using an arrow. | |
| Motorway (Freeway, Highway) Exit or Junction Display | When the vehicle approaches an exit or junction, the motorway guidance screen will be displayed. | |
| Lane Recommendation Display | When the vehicle approaches a maneuver point, the lane recommendation will be displayed. | |
| Turn List Display | Displays a turn list on the right side of the 2-screen display. | |
| Distance-to-destination Display | Displays the distance from the present location to the destination. | |
| Estimated Arrival Time Display | Displays estimated arrival time. | |
| Item | Function | ||
|---|---|---|---|
| Map Display | Taillight-interlocked Map Color Change | Changes the color of the map screen that is displayed when the taillights are turned on. | |
| North Up/Heading Up |
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| 3D Display | Displays a 3-dimensional (3D) view of the map. | ||
| Multi-step Scale Display | Changes the map scale in 14 steps. | ||
| Footprint Map | Displays a major city in a scale of 50 m (150 ft.). | ||
| Point of Interest Display | Displays selected types of points of interest as marks on the map. | ||
| Multiple Display Function | Displays different mode screens on a screen that is split into 3 views or 2 views. | ||
| Current Position Display Function | Displays the latitude, longitude and altitude of the current position based on the GPS signals being received. | ||
| Route Guidance Demonstration | Demonstrates the route guidance to the destination. | ||
| Route Trace | By saving a traveled route automatically or saving it manually upon reaching the destination, the routes can be displayed and retraced. | ||
| RDS-TMC Display | Displays RDS-TMC icons, arrows, popup messages and indicators when RDS-TMC service is being received. | ||
| Destination Search | Preset Destination Memory Search | Sets a pre-registered point as a destination point while driving. | |
| Address Search | A destination can be set by entering a country or state name, town/suburb name, street and house number. | ||
| Point of Interest Search | A destination can be set in 4 ways:
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| Previous Destination Search | A destination can be set using the destination list in which previously set destinations are stored. | ||
| Map Search | A destination can be set by using the cursor on the map. | ||
| Route Search | Multiple Route Search | Searches for multiple routes. | |
| Search Condition Designation |
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| Adds Waypoints | Adds waypoints along with the set route to set the pass points. | ||
| Traffic Congestion Information Consideration | Performs searches which consider traffic congestion information. | ||
| Auto Avoid Traffic Search | Automatically changes to another route to avoid heavy congestion. | ||
| Auto Re-route Search | Performs automatic re-route search if the vehicle deviates from the set route. | ||
| Guidance | Voice Guidance | Provides voice guidance about the distance and the direction of travel to a destination point based on road conditions and vehicle speed. | |
| Next Turn Guidance | Provides guidance about the distance to the next turn and indicates the direction of the turn using an arrow. | ||
| Lane Information Guidance | Provides lane information and indicates the lane to be driven in when the vehicle is on a multiple lane road. | ||
| Signposts Display | Displays lane information similar to overhead road traffic signs on the top of the map screen. | ||
| Real Highway/Motorway Junction Display | Displays the junction and signage in 3D in the vicinity of a major junction while driving. | ||
| Route Status Information Display | Displays route data items that the driver selects to display, such as the current vehicle speed or altitude, in the data fields at the corner of the map screen. Route data related to the destination or following way points also can be displayed. | ||
| Route Progress Bar Display | Displays the progress made on the current route using the route progress bar to the left of the map screen. | ||
| Others | Voice Recognition | Recognizes pre-programmed system commands spoken to operate the navigation system. | |
Setup Screen
The settings for the functions of the multi-display are available from the setup screen.
| Item | Function |
|---|---|
| General Setting |
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| Display Settings |
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| Audio Settings | Sound quality can be adjusted. |
| Connectivity Settings |
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| Phone Settings |
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| Vehicle Settings |
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| Item | Function |
|---|---|
| General Settings |
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| Home Screen Settings | The display items/area on the home screen can be changed. |
| Voice Settings |
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| Display Settings | Map Menu, Camera and Video screen can be adjusted. |
| Bluetooth Settings |
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| Telephone/Message Settings |
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| Audio Settings |
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| Toyota Link |
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| Vehicle |
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| Screen Off | The screen can be turned off. |
*: For PBAP compatible models
Fuel Consumption Screen
The fuel consumption screen is displayed as illustrated below. This screen has the display functions listed below.
Figure 1. Models with Touch System (with Navigation ECU)
| Item | Outline | |
|---|---|---|
| (1) | Average Speed | Displays an average speed value that has been calculated by the combination meter assembly, which is based on the distance driven and time elapsed since the ignition switch is turned to ON. |
| (2) | Cruising Range | Displays the approximate drivable distance. |
| (3) | Past Record Switch | Changes to the past record (per trip) fuel consumption screen. |
| (4) | Average Per Minute Fuel Consumption |
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| (5) | Elapsed Time | Displays the value that has been calculated by the combination meter assembly, which is based on the time elapsed since the ignition switch is turned to ON. |
| (6) | Clear Switch | Clears all past information. |
| (7) | Current Per Minute Fuel Consumption | Displays the instantaneous (current) fuel consumption value that has been calculated by the combination meter assembly, which is based on the driven distance and the volume of fuel consumed (fuel injection signal) since the ignition switch was turned to ON. |
| (8) | Best Fuel Consumption | Displays the best (most economical) per trip fuel consumption. |
| (9) | Trip Information Switch | Changes to the average per minute fuel consumption screen. |
| (10) | Average Per Trip Fuel Consumption |
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| (11) | Update Switch |
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Figure 2. Models with Navigation System
| Item | Outline | |
|---|---|---|
| (1) | Clear Switch | Clears all past information. |
| (2) | Average Speed | Displays an average speed value that has been calculated by the combination meter assembly, which is based on the distance driven and time elapsed since the ignition switch was turned to ON. |
| (3) | Elapsed Time | Displays an elapsed time value that has been calculated by the combination meter assembly, which is based on the time elapsed since the ignition switch was turned to ON. |
| (4) | Range | Displays the approximate drivable distance. |
| (5) | Past Record Switch | Changes to the Past record (per trip) fuel consumption screen. |
| (6) | Average Per Minute Fuel Consumption |
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| (7) | Current Per Minute Fuel Consumption | Displays the instantaneous (current) fuel consumption value that has been calculated by the combination meter assembly, which is based on the driven distance and the volume of fuel consumed (fuel injection signal) since the ignition switch was turned to ON. |
| (8) | Best Fuel Consumption | Displays the best (most economical) per trip fuel consumption. |
| (9) | Average Fuel Consumption | Displays the average fuel consumption for this trip and the previous 5 trips. |
| (10) | Trip Information Switch | Changes to the average per minute fuel consumption screen. |
| (11) | Average Per Trip Fuel Consumption |
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| (12) | Update Switch |
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DIAGNOSIS
For details on the procedure required to enter the Service Menu screen, refer to the Repair Manual.