navigation system TOYOTA PRIUS 2001 Service Owner's Guide

I15449
System check mode
screen switch
LAN check mode
screen switch
DTCSegment
Components name
DTC clear switch
Segment
DTC
Year/Month/Day
Hour/Minute/Second
± DIAGNOSTICSNAVIGATION SYSTEM
DI±801
2001 PRIUS (RM778U)
(c) UNIT CHECK MODE SCREEN
(1) As a detailed screen in the System Check Mode, the Unit Check Mode is displayed.
(2) Up to 6 error codes detected by ºThe DTC obtained during the system check (including when
starting the diagnosis mode)º can be displayed as ºCurrentº.
(3) Up to 6 error codes detected by ºDTC stored in the pastº can be displayed as ºMemoryº.
(4) Component Name
Names of the components are displayed.
(5) Segment
Logical address numbers corresponding to DTC are displayed.
(6) DTC
DTC is displayed.
(7) Year/Month/Day/Hour/Minute/Second
The date and time stamped at the time of code occurrence is displayed in the order of year±
month±day±hour±minute±second. (Year is shown in 2±digit number.) If the date and time data
is invalid, it is displayed as a blank.
HINT:
Time data is obtained after turning the ignition from ACC to ON. Until the valid time data is obtained, the data
shown in the display shall be considered as invalid.
If stored before a valid time data is obtained, the data shall not be displayed.
(8) DTC Clear Switch
Pressing this switch for 3 sec. deletes all diagnosis memory of the component. When returning
to the System Check Mode, the check result is displayed as a blank.
(9) Lan Check Mode Screen Switch
Pressing this switch activates the LAN Check Mode screen.
(10) System Check Mode Screen .Switch
Pressing this switch activates the System Check Mode screen.

I17100
to 1. Diagnosis
MENU screen
The Microphone Check screen is not
applicable to the Prius. DI±802
± DIAGNOSTICSNAVIGATION SYSTEM
2001 PRIUS (RM778U)
3. NAVIGATION CHECK MODE
HINT:
Navigation Check Mode is operated as follows.

I17095
Diagnosis MENU
screen switch GPS information
mode screen switch
Vehicle sensor mode
screen switch
Color bar check
mode screen switch
± DIAGNOSTICSNAVIGATION SYSTEM
DI±803
2001 PRIUS (RM778U)
(a) NAVIGATION CHECK MODE SCREEN
(1) Various check screens for the Navigation ECU can be started from this menu screen.
(2) GPS Information Mode Screen Switch
Pressing this switch activates GPS Information Mode Screen.
(3) Vehicle Sensor Mode Screen Switch
Pressing this switch activates the Vehicle Signal Mode screen.
(4) Color Bar Check Mode Screed Switch
Pressing this switch activates the Color Bar Check Mode screen.
(5) Diagnosis Menu Screen Switch
Pressing this switch activates the Diagnosis Menu screen.

I17096
Navigation Check
screen switch
Time data
Position data
Measurement Status Satellite
Information
DI±804
± DIAGNOSTICSNAVIGATION SYSTEM
2001 PRIUS (RM778U)
(b) GPS INFORMATION MODE SCREEN
(1) This screen displays GPS related data.
HINT:
Data are updated every 1 sec.
(2) Satellite Information
The angle of elevation of relevant satellite, azimuth signal level, and receiving condition of sig-
nals are displayed.
HINT:
The reception status shows receiving.
ºTº: means in operation but measurement is not being used for positioning.
ºPº: means measurement is being used for positioning.
º±º: means no data can be received.
Display area for up to 8 satellites is ensured.
Data shall be updated corresponding to change of information.
(3) Time data: The time data obtained from a GPS receiver is displayed in month, day, year, hour
and minute.
(4) The displayed time is Greenwich Mean Time.
(5) Position Data: The latitude and longitude of the current location are displayed in degree and min-
ute.
(6) Measurement Status is displayed in the following 5 items.
2D: 2 dimensions.
3D: 3 dimensions.
NG: GPS information cannot be used.
error: Receiving error occurs.
±: Other than the above.
(7) Navigation Check Screen Switch
Pressing this switch activates the Navigation Check screen.

I17097
Navigation check
screen switch
± DIAGNOSTICSNAVIGATION SYSTEM
DI±805
2001 PRIUS (RM778U)
(c) VEHICLE SIGNAL CHECK MODE SCREEN
(1) Status of the vehicle sensor which are input to the Navigation ECU is checked in this screen.
HINT:
Data are updated every 1 sec.
(2) ACC signal status: Displayed as ON/OFF.
(3) REV signal status: Displayed as ON/OFF.
(4) SPD signal status: The following is displayed:

The cumulative value of the input pulse after displaying this screen. (shown in 5 digits)

Vehicle speed (Unit: km/h, mph)
(5) Output condition of the gyro sensor: The following is displayed:

Voltage (Unit: mV, LSB: 1mV)

Relative azimuthal angle to the current point (0 degree).
Assuming the angle at a point when this screen is activated as 0 degree.
(6) Navigation Check Menu Screen Switch
Pressing this switch displays the Navigation Check screen.

I17098
Navigation check
screen switch
DI±806
± DIAGNOSTICSNAVIGATION SYSTEM
2001 PRIUS (RM778U)
(d) COLOR BAR CHECK MODE SCREEN
(1) Color display of the Navigation ECU is checked in this screen.
(2) Color Bars:
Five colors of ºBLACKº, ºREDº, ºGREENº, ºBLUEº and ºWHITEº are displayed as bars.
(3) Navigation Check Screen Switch
Pressing this switch displays the Navigation Check screen.

I15454
to 1. Diagnosis MENU
mode screen switch
± DIAGNOSTICSNAVIGATION SYSTEM
DI±807
2001 PRIUS (RM778U)
4. DISPLAY CHECK MODE
HINT:
Display Check Mode is operated as follows.

I15453
to 1. Diagnosis MENU
screen switch Color bar
check mode switch
Touch switch
check mode switch
Touch point
check mode switch
Vehicle signal
check mode switch
DI±808
± DIAGNOSTICSNAVIGATION SYSTEM
2001 PRIUS (RM778U)
(a) DISPLAY CHECK MENU SCREEN
(1) Various screens to check the display are started from this screen.
(2) Color Bar Check Mode Switch
Pressing this switch activates the Color Bar Check Mode screen.
(3) Touch Switch Check Mode Switch
Pressing this switch activates the Touch Switch Check Mode screen.
(4) Touch Point Check Mode Switch
Pressing this switch activates the Touch Point Check Mode screen.
(5) Vehicle Signal Check Mode Switch
Pressing this switch activates the Vehicle Signal Check Mode screen.
(6) Diagnosis MENU Screen Switch
Pressing this switch activates the Diagnosis MENU screen.

I15456
to Display
check screen switch
± DIAGNOSTICSNAVIGATION SYSTEM
DI±809
2001 PRIUS (RM778U)
(b) COLOR BAR CHECK MODE SCREEN
(1) Color display is checked in this screen.
(2) Color Bar:
Black, Red, Green, Blue, White and Stripe is displayed in bars.
If a bar is touched, color or stripe of the bar is appeared all over the screen. When touched again, it returns
to the previous screen.
(3) Display Check Screen Switch
Pressing this switch activates the Display Check Mode screen.

I18203
Display
check screen switchHorizontal line
check screen switch
DI±810
± DIAGNOSTICSNAVIGATION SYSTEM
2001 PRIUS (RM778U)
(c) TOUCH SWITCH CHECK MODE SCREEN
(1) Operating condition is checked line by line in the Touch Switch Check Mode screen.
(2) Check Line:
Lines are displayed by using infrared beams in this screen.
Once a beam is blocked off by touching the screen with a fingertip, the blocked part of the line
is deleted.
(3) Horizontal Line Check Screen Switch:
Pressing this switch activates a screen in which beams of horizontal lines are checked.
(4) Display Check Mode Switch
Pressing this switch activates the Display Check Mode screen.