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Navigation System - Diagnostics: Pre-Check

  1. USER TROUBLES UNDER NORMAL CONDITION OF THE NAVIGATION SYSTEM 
    1. Voice guidance is not performed even though the system is in normal condition when:
      1. The destination is not set up.
      2. The vehicle is not driving on the set route. (The remaining distance is not displayed at the lower left of the map screen that tells the current position of the vehicle.)
    2. The vehicle icon turns around arbitrarily on the screen even when the system is in normal condition. If the ignition switch is turned to "ACC" or "ON" while the vehicle is turning around such as being on the turntable, the Navigation System memorizes the angle speed of that moment as the standard figure. To solve this problem, at the vehicle speed of 0 MPH (0 km/h), turn off the ignition switch and, then turn it to "ACC" or "ON" again, and see whether any trouble occurs again.
  2. INSPECTION OF THE LOCATION WITH TROUBLE OCCURRENCE 
    1. Examine whether the wrong display of the vehicle icon appears in a certain location or in several locations.
    NOTE: It is difficult to determine the accurate vehicle position when driving on a freeway, a looped road or a road which runs in parallel with another, and immediately after going out of the parking area. In such cases the vehicle icon can be displayed off the real position of the vehicle.
  3. DIAGNOSIS SYSTEM MODE 
    Fig 1: Diagnosis System Mode Chart Of Navigation System
    G02837118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Identifying "TA" Switch
    G02837119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Diagnosis Start-up
      NOTE: Before starting the Diagnosis System, make sure that the map appears on the screen after turning on the IG switch.

      If not, some items cannot be checked.

      1. Vehicle speed is 0 km/h (0 mph).
      2. Turn the ignition switch to ACC or ON.
      3. While pressing "TA" switch by turning the light control switch to OFF, TAIL, OFF, TAIL, OFF, TAIL and OFF the system is started up.
      Fig 3: Identifying Diagnosis Menu
      G02837120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      DIAGNOSIS MODE DISPLAY AND DESCRIPTION

      Display Description
      Service Check By Performing System Check And Collecting Data Of Diagnosis Memory, This Mode Checks The Current And Past Condition Of Each Connection Device.
      Display Check It Display The Display Check On The Screen.
      Navigation Check It Display The Navigation Check On The Screen.
      NOTE:
      • When Diagnosis System starts, Service Check screen is displayed and the service check begins.
      • Select Menu to display Diagnosis MENU
    2. Finishing Diagnosis System Mode
      1. Turn the ignition switch from ACC to OFF to finish the mode.
  4. SERVICE CHECK 
    Fig 4: Service Check Mode Chart Of Navigation System
    G02837121Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 5: Identifying System Check Mode Menu
    G02837122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. System Check Mode
      1. Start the Diagnosis System.
        SYSTEM CHECK MODE DISPLAY ITEM AND FUNCTION

        Display Item Function
        Components Name/* 1 List Of Component Names Including Optional Components (15 Components Max.) Are Displayed. When The Names Are Not Identified, Their Physical Addresses Are Displayed.
        Check Result/* 2 Check Results Are Displayed.
        Memory CLR/* 3 Pressing This Switch For 3 Sec. Deletes All The Information About Master Component Registration.
        Recheck/* 4 Pressing This Switch For 3 Sec. Deletes Diagnosis Memory Of All The Components. It Deletes Service Check Results And The Screen Displaying The Check Results.
        Recheck/* 5 Pressing This Switch Performs Service Check Again.
        Recheck/* 6 Pressing This Switch Activates The Diagnosis Menu Screen.
        NOTE: Service Check displays the check results based on the information obtained from each components response to "System Check Execution" and "Diagnosis Memory Request", and the information of "Current DTC Notification", (the Unit Check information that will be displayed on the next screens.)
      2. Read Check Result
        SYSTEM CHECK MODE RESULT AND MEANING

        Check Result Meaning
        OK No DTC Is Identified.
        EXCH One Or More DTC Requesting For Exchange Are Detected.
        Check One Or More DTC Requesting For Check Are Detected.
        NCON No Connection Response To Diagnosis System Start-Up, Whereas It Has The Connection Response To LAN When The Power Switch Is Turned On. (When IG Is Turned To ACC).
        NRES No Response To The Information About The Diagnosis System, Whereas It Responds To The Diagnosis System Start-Up.
        NOTE:
        • After repair and check, press "Code CLR" for more than 3 sec. to delete diagnosis memory.
        • After deleting diagnosis memory, press "Recheck" and make sure "OK" is displayed on the screen.
      3. "EXCH", "Check" and "Old" can be used as switches to activate "Unit Check Mode" for detail information. Check troubled parts of the components in these modes by referring to the DTC code list.
        Fig 6: Identifying Unit Check Mode Service Menu
        G02837123Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        UNIT CHECK MODE DISPLAY ITEM AND DESCRIPTION

        Display Item Description
        Components Name/* 1 Names Of Components To Be Checked Are Displayed.
        Current/* 2 Up To 6 DTC Codes Detected During The System Check Are Displayed.
        Memory/* 3 DTC Memories Stored And Current DTC Notification Are Displayed.
        Date/Time/* 4 The Date And Time Stamped At The Time Of DTC Occurrence Are Displayed In The Order Of Year-Month-Day-Hour-Minute-Second. (If The Date And Time Data Is Invalid, It Is Displayed As A Blank.)
        Code CLR/*5 Pressing This Switch For 3 Sec. Deletes DTC Memory Of The Selected Diagnosis Component.
        Service/* 6 Pressing This Returns To The Service Check Mode Screen.
        NOTE:
        • Detecting Unit DTC activates the Unit Check Mode on the screen.
        • In the Unit Check Mode, DTC which is identified as "Check" in the Service Check, is displayed as classified into Current DTC and Past DTC.
  5. DISPLAY CHECK 
    Fig 7: Display Check Mode Chart Of Navigation System
    G02837124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Display Check
      Fig 8: Identifying Display Check Menu
      G02837125Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      DISPLAY CHECK MODE MENU DISPLAY AND CONTENTS

      Display Contents
      Color Bar Check/* 1 Color Display Is Checked.
      Remote Commander Check/* 2 Operating Condition Of Touch Switch Display Is Checked.
      Vehicle Signal Check/* 3 Status Of The Vehicle Signal Which Has Been Loaded Into The Display Is Checked.
      Menu/* 4 Pressing This Switch Activates The Diagnosis Menu Screen.
      NOTE: In Display Check, above checks can be performed.
    2. Color Bar Check Mode
      Fig 9: Identifying Color Bar Check Mode Display Menu
      G02837126Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis System.
      2. Select "Menu".
      3. Select "Display Check".
      4. Select "Color Bar Check".
      5. Make sure that each color name is corresponding to each color on the bar.
        NOTE: Select Black, Red, Green, Blue, White and Stripe to display selected colors and stripe on the entire screen.
      6. Compare with the Color Bar Check in the Navigation Check and make sure that no difference is found.
    3. Remote Commander Check
      Fig 10: Identifying Remote Commander Check Display Menu
      G02837127Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis system.
      2. Select "Menu".
      3. Select "Display Check".
      4. Select "Remote Commander Check".
      5. Press each switches and make sure that it corresponds to the display on the screen.
    4. Vehicle Signal Check Mode
      Fig 11: Identifying Vehicle Signal Check Mode Display Menu
      G02837128Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis system.
      2. Select "Menu".
      3. Select "Display Check".
      4. Select "Vehicle Signal Check".
      5. Check the status of the vehicle signal (REV, SPEED, TAIL) loaded into the display.
      NOTE: Vehicle signal data is updated every 1 second.
  6. NAVIGATION CHECK 
    Fig 12: Diagnosis Navigation Check Mode Chart
    G02837129Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Navigation Check
      Fig 13: Identifying Navigation Check Mode Menu
      G02837130Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NAVIGATION CHECK MENU DISPLAY AND DESCRIPTION

      Display Description
      GPS Information/* 1 Information Related To GPS Is Displayed. (Updated Every 1 Second.)
      Vehicle Sensors/* 2 Vehicle Signal Information To Be Loaded In The "NAVI" Is Displayed, (Updated Every 1 Second.)
      Color Bar Check/* 3 Color Display Of The "NAVI" Is Checked. (Compare With The Color Bar Check Results In The Display Check.)
      Parts Information/* 4 Navigation Program Version And Disc Version Are Displayed.
      NOTE:
      • In the Navigation Check, the checks mentioned above can be conducted.
      • The Navigation ECU operates each Navigation Check screen.
    2. GPS Information
      Fig 14: Identifying GPS Information NAVI Menu
      G02837131Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis system.
      2. Select "Menu".
      3. Select "Navigation Check".
      4. Select "GPS Information".
      5. Check the GPS-related information.
      GPS INFORMATION DISPLAY DATA AND DESCRIPTION

      Display Data Description
      Satellite Information/* 1 "Angle Of Elevation", "Azimuth", "Level Of 9 Signal" And "Status Of Wave Reception" Of The Satellite Captured By The Antenna Are Displayed, (For 8 Satellites Max.)
      Position Data/* 2 The Latitude And Longitude Of The Current Position Are Displayed In Degree, Minute And Second.
      Time Data/* 3 Date And Time Data Obtained From The GPS Receiver Is Displayed.

      Measurement Status: /*4 

      GPS INFORMATION MEASUREMENT STATUS

      Display Conditions
      2D Measurement On 2 Dimensions
      3D Measurement On 3 Dimensions
      NG GPS Information Cannot Be Used.
      Error Reception Error Occurs.
      - Other Than The Above
    3. Vehicle Sensors
      Fig 15: Identifying Vehicle Sensors NAVI Menu
      G02837132Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis system.
      2. Select "Menu".
      3. Select "Navigation Check".
      4. Select "Vehicle sensors".
      5. Check the vehicle signals (REV, SPD) and the output signal of the gyro sensor introduced into the navigation system.
      VEHICLE SENSORS ITEMS AND DISPLAY METHOD

      Items Display Method
      REV Signal Status Displayed As ON/OFF.
      SPD Signal Status The Cumulative Value Of Input Pulse Count And The Vehicle Speed [KM/H] [MPH] Are Displayed. [The Cumulative Value Of Input Pulse Count Is Set To Be 0 When This Screen Is Displayed. When The Vehicle Starts To Drive, It Is Counted And Displayed Continually.]
      Output Signal Of The Gyro Sensor Voltage [V] And Relative Azimuthal Angle [Degree] Are Displayed. [The Position Of The Vehicle When This Screen Is Displayed Is Set To Be 0 Degree In Azimuth. Based On This, Relative Azimuthal Angle Is Measured And Displayed Continually.]
    4. Navigation Color Bar Check
      Fig 16: Identifying Navigation Color Bar Check Navi Menu
      G02837133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis system.
      2. Select "Menu".
      3. Select "Navigation Check".
      4. Select "Color Bar Check".
      5. Make sure that the set color matches the display color.
      6. Compare with the Color Bar Check in the Display, Check and make sure that no difference is found.
    5. Parts Information
      Fig 17: Identifying Parts Information Navi Menu
      G02837134Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Start the Diagnosis system.
      2. Select "Menu".
      3. Select "Navigation Check".
      4. Select "Parts Information".
      5. Check the program and disc version.
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