Page 885 of 2572
I38223
05-1806
- DIAGNOSTICSNAVIGATION SYSTEM
1996 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
ILLUMINATION FOR PANEL SWITCH DOES NOT COME ON WITH
TAIL SWITCH ON
INSPECTION PROCEDURE
1 DISPLAY CHECK MODE(VEHICLE SIGNAL CHECK MODE)
(a) Enter the ºDisplay Checkº mode (Vehicle Signal Check Mode) (see page 05-1763).
(b) Turn the light control switch TAIL or ON and OFF.
Standard:
TAIL SwitchDisplay
TAIL or ONON
OFFOFF
HINT:
This display is updated once per second. As a result, it is normal
for the display to lag behind the actual change in the switch.
OK REPLACE MULTI-DISPLA Y
(SEE PAGE 67-8)
NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISG-02
Page 886 of 2572
I39088
- DIAGNOSTICSNAVIGATION SYSTEM
05-1807
1997 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
DISPLAY DOES NOT DIM (NIGHT SCREEN) WITH TAIL SWITCH
ON
INSPECTION PROCEDURE
1 CHECK SYSTEM
(a) Turn the light control switch to the TAIL or HEAD position.
Check if the illumination of the switches such as on the radio receiver assy comes on.
OK: Illumination of the switches comes on.
NG GO TO COMBINATION METER SYSTEM (SEE
PAGE 05-1868)
OK
2 CHECK IMAGE QUALITY SETTING
(a) Enter the display adjustment screen by pressing the ºDIS-
PLAYº switch.
(b) Turn the light control switch to TAIL.
(c) Check if ºDAY MODEº on the display adjustment is ON.
OK: ºDAY MODEº is ON.
OK TURN FORCED ºDAY MODEº SETTING OFF
NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISH-02
Page 887 of 2572
I38221
05-1808
- DIAGNOSTICSNAVIGATION SYSTEM
1998 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
PANEL SWITCH DOES NOT FUNCTION
INSPECTION PROCEDURE
1 CHECK THE PANEL SWITCH
(a) Check for foreign matter around the switch that might prevent operation.
OK: No foreign matter is found.
NG REMOVE ANY FOREIGN MATTER FOUND
OK
2 DISPLAY CHECK MODE(PANEL SWITCH CHECK MODE)
(a) Enter the ºDisplay Checkº mode (Panel Switch Check Mode) (see page 05-1762).
(b) Operate the abnormal switch and check if the switch
name and status are correctly displayed.
OK: The switch name and status are correctly dis-
played as operated.
OK REPLACE MULTI-DISPLA Y
(SEE PAGE 67-8)
NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISI-02
Page 888 of 2572
I38219
- DIAGNOSTICSNAVIGATION SYSTEM
05-1809
1999 Author: Date:
2005 HIGHLANDER REPAIR MANUAL (RM1144U)
TOUCH PANEL SWITCH DOES NOT FUNCTION
INSPECTION PROCEDURE
1 CHECK TOUCH PANEL
(a) Check for dirt on the display surface.
OK: The display surface is clean.
NG REMOVE ANY DIRT FOUND AND RECHECK
TOUCH PANEL
OK
2 DISPLAY CHECK MODE(TOUCH SWITCH CHECK)
(a) Enter the ºDisplay Checkº mode (Touch Switch Check) (see page 05-1761).
(b) Touch the display in the area where the abnormal switch
occurs.
OK: A º+º mark appears at the touched position.
OK REPLACE MULTI-DISPLA Y
(SEE PAGE 67-8)
NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
(SEE PAGE 05-1778)
05ISJ-02
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
