"No GPS signal" mark is displayed [12/2019 - 10/2022]: Procedure

CHECK CABIN

Check the cabin for any object that might interrupt radio reception or additional devices which use radio waves on the instrument panel. If such an object exists, remove it and check if the "No GPS signal" mark disappears.

HINT:

The GPS uses extremely weak radio waves originating from satellites. If the signal is interrupted by obstructions or other radio waves, the GPS may not be able to properly receive the signal.

The "No GPS signal" mark disappears.

Result

Proceed to
OK
NG

Result:

END

Result:

See step 2

CHECK SURROUNDINGS

Check if the vehicle is in a location where GPS signal reception is poor. If the vehicle is in such a place, relocate the vehicle and check if the "No GPS signal" mark disappears.

HINT:

The GPS uses 24 satellites in 6 orbits. At any point in time, 4 satellites should be able to pinpoint your vehicle. However, GPS signals may not reach the vehicle due to influence from the surroundings, vehicle direction and time. For examples, see the following illustration.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

*a	Example	*b	In a tunnel
*c	In a building	*d	Under an overpass
*e	On a forest or tree-lined path	*f	Between tall buildings
*g	Under a cliff or overhang	-	-

The "No GPS signal" mark disappears.

Result

Proceed to
OK
NG

Result:

SYSTEM RETURNS TO NORMAL

Result:

See step 3

CHECK GPS INFORMATION (OPERATION CHECK)

Enter the "System Sensors Check" screen. Refer to Check GPS & Vehicle Sensors in Operation Check.

Refer to OPERATION CHECK [12/2019 - 10/2022]

Check how many of the following codes appear in the "Reception number" column.

HINT:

T or P appears.

At least 3 codes appear.

Result

Proceed to
OK
NG

Result:

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [12/2019 - 10/2022]

Result:

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022]