Toyota Sequoia (2005). Manual — part 611

I28260

I28261

–

DIAGNOSTICS

NAVIGATION SYSTEM

DI–2239

2433

Vehicle position mark deviates greatly

INSPECTION PROCEDURE

1

Check GPS mark.

CHECK:
Check that the GPS mark is displayed.
OK:

The GPS mark is displayed.

NG

Go to ”GPS mark is not displayed” in flow chart
(See page

DI–2245

).

OK

2

Navigation check mode (Vehicle sensors check).

PREPARATION:
Enter the ”Navigation Check” mode (Vehicle Sensors) (See
page

DI–2180

).

CHECK:
While driving, compare the ”SPD” indicator to the reading on the
speedometer. Check that these readings are almost the same.
OK:

The readings are almost the same.

NG

Go to ”speed signal circuit” in flow chart
(See page

DI–2291

).

OK

DIDCW–01

I28262

DI–2240

–

DIAGNOSTICS

NAVIGATION SYSTEM

2434

3

Navigation check mode (Vehicle sensors check).

CHECK:
Check the ”REV” display according to the table below.
OK:

Shift lever

Display

R

ON

Any position except R

OFF

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 ”reverse signal circuit” in flow chart
(See page

DI–2294

).

OK

Proceed to next circuit inspection shown in problem symptoms table (See page

DI–2184

).

I28202

–

DIAGNOSTICS

NAVIGATION SYSTEM

DI–2241

2435

Cursor or map rotates when vehicle is stopped

INSPECTION PROCEDURE

1

Check condition.

CHECK:
Check with the customer if the vehicle has been turned by a
turntable 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

DI–2184

).

DIDCX–01

I28258

DI–2242

–

DIAGNOSTICS

NAVIGATION SYSTEM

2436

Vehicle position mark is not updated

INSPECTION PROCEDURE

1

Check map disc.

CHECK:
Check that the map disc is not deformed or cracked.
OK:

No deformations or cracks appear on the map disc.

NG

Replace map disc.

OK

2

Check map display.

CHECK:
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

DI–2184

).

OK

DIDCY–01