Page 889 of 2572
I39089
I39090
I39091
05-1810
- DIAGNOSTICSNAVIGATION SYSTEM
2000 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
SCREEN FLICKER OR COLOR DISTORTION
INSPECTION PROCEDURE
1 CHECK DISPLAY SETTING
(a) Enter the display adjustment screen by pressing the ºDIS-
PLAYº switch.
(b) Reset display settings (contrast, brightness) and check if
the screen appears normal.
(c) Press the ºINFOº switch and then the ºScreen Settingº
switch.
(d) Set the ºBackground Colorº to ºGreenº (initial setting) and
check if it is normal.
OK: Returns to normal.
OK END
NG
2 CHECK CABIN
(a) Check if the cabin temperature is -20C (-4.0F) or less.
OK: Cabin is warmer than -20C (-4.0F).
NG HEAT THE CABIN AND RECHECK THE
TEMPERATURE
OK
05ISK-02
Page 890 of 2572
I38217
I38230
- DIAGNOSTICSNAVIGATION SYSTEM
05-181 1
2001 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
3 DISPLAY CHECK MODE(COLOR BAR CHECK MODE)
(a) Enter the ºDisplay Checkº mode (Color Bar Check Mode) (see page 05-1760).
(b) Check that color bars match the displayed names.
OK: Color bars match the displayed names.
NG REPLACE MULTI-DISPLA Y
(SEE PAGE 67-8)
OK
4 NAVIGATION CHECK MODE(NAVI COLOR BAR CHECK)
(a) Enter the ºNavigation Checkº mode (NAVI Color Bar Check) (see page 05-1766).
(b) Check that color bars match the displayed names.
OK: Color bars match the displayed names.
OK REPLACE MULTI-DISPLA Y
(SEE PAGE 67-8)
NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
Page 891 of 2572
I38584
05-1812
- DIAGNOSTICSNAVIGATION SYSTEM
2002 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
MAP DISC CANNOT BE INSERTED
INSPECTION PROCEDURE
1 CHECK MAP DISC
(a) Check that the map disc is not deformed or cracked.
OK: No deformations or cracks appear on the map
disc.
NG REPLACE THE MAP DISC
OK
2 CHECK NAVIGATION ECU
(a) Check that the ºPUSHº indicator near the disc slot comes on.
OK: It does not come on.
NG PRESS THE EJECT SWITCH TO EJECT THE
DISC
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISL-02
Page 892 of 2572
I39094
I38228
- DIAGNOSTICSNAVIGATION SYSTEM
05-1813
2003 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
VEHICLE POSITION MARK DEVIATES GREATLY
INSPECTION PROCEDURE
1 CHECK THE GPS MARK
(a) Check that the GPS mark is displayed.
OK:The GPS mark is displayed.
NG GO TO ºGPS MARK IS NOT DISPLAYEDº IN THE
FLOW CHART (SEE PAGE 05-1818)
OK
2 NAVIGATION CHECK MODE(VEHICLE SENSORS)
(a) Enter the ºNavigation Checkº mode (Vehicle Sensors) (see page 05-1765).
(b) While driving, compare the ºSPDº indicator to the reading
on the speedometer. Check that these readings are al-
most the same.
OK: The readings are almost the same.
NG GO TO ºSPEED SIGNAL CIRCUIT (NAVIGATION
ECU - COMBINATION METER ASSY)º IN THE
FLOW CHART (SEE PAGE 05-1838)
OK
05ISM-02
Page 893 of 2572
I38228
05-1814
- DIAGNOSTICSNAVIGATION SYSTEM
2004 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
3 NAVIGATION CHECK MODE(VEHICLE SENSORS)
(a) Move the shift lever to the R or P position.
Standard:
Shift leverDisplay
POFF
RON
HINT:
The display is updated once per second. As a result, it is normal
for the display to lag behind the actual change in the switch.
NG GO TO ºREVERSE SIGNAL CIRCUITº IN THE
FLOW CHART (SEE PAGE 05-1844)
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
Page 894 of 2572
I38146
- DIAGNOSTICSNAVIGATION SYSTEM
05-1815
2005 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
CURSOR OR MAP ROTATES WHEN VEHICLE IS STOPPED
INSPECTION PROCEDURE
1 CHECK CONDITION
(a) Check with the customer if the vehicle has been turned by
a turn-table at parking.
OK: The vehicle has not been turned by a turntable.
HINT:
If the ignition switch is turned to the ACC or ON position while
the vehicle is being turned by a turntable, the system may store
the angular velocity at this time. For this reason, the vehicle
position cursor could deviate.
NG TURN IGNITION SWITCH TO ON POSITION
WHEN VEHICLE IS COMPLETELY STOPPED
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISN-02
Page 895 of 2572

I38584
I38228
05-1816
- DIAGNOSTICSNAVIGATION SYSTEM
2006 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
VEHICLE POSITION MARK IS NOT UPDATED
INSPECTION PROCEDURE
1 CHECK THE MAP DISC
(a) Check that the map disc is not deformed or cracked.
OK: No deformations or cracks appear on the map
disc.
NG REPLACE THE MAP DISC
OK
2 CHECK THE MAP DISPLAY
(a) Check if a touch scroll can be performed on the map display.
OK: Touch scroll can be performed.
NG PROCEED TO NEXT CIRCUIT INSPECTION
SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
OK
3 NAVIGATION CHECK MODE(VEHICLE SENSORS)
(a) Enter the ºNavigation Checkº mode (Vehicle Sensors) (see page 05-1765).
(b) While driving, compare the ºSPEEDº indicator to the read-
ing on the speedometer. Check if these readings are al-
most the same.
OK: The readings are almost the same.
NG GO TO ºSPEED SIGNAL CIRCUIT (NAVIGATION
ECU - COMBINATION METER ASSY)º IN THE
FLOW CHART (SEE PAGE 05-1838)
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISO-02
Page 896 of 2572
I38584
- DIAGNOSTICSNAVIGATION SYSTEM
05-1817
2007 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
CURRENT POSITION DISPLAY DOES NOT APPEAR
INSPECTION PROCEDURE
1 CHECK THE MAP DISC
(a) Check that the map disc is not deformed or cracked.
OK: No deformations or cracks appear on the map
disc.
NG REPLACE THE MAP DISC
OK
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISP-02