Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: GPS Mark is not Displayed

PROCEDURE

1.

CHECK CABIN

(a) 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 GPS mark reappears.

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.

OK:

The GPS mark appears.

OK

NORMAL OPERATION

NG

2.

CHECK SURROUNDINGS

(a) 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 GPS mark reappears.

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.

OK:

OK:

The GPS mark is displayed.

Text in Illustration

*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

-

-

OK

SYSTEM RETURNS TO NORMAL

NG

3.

CHECK GPS INFORMATION (OPERATION CHECK)

(a) Enter the "System Sensor Check" screen. Refer to Check GPS & Vehicle Sensors

(a) Enter the "System Sensor Check" screen. Refer to Check GPS & Vehicle Sensors in Operation Check (See page (b) Check how many of the following codes appear in the "Reception number" column. ).

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

HINT:

T or P appears.

OK:

At least 3 codes appear.

OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Cursor or Map Rotates when Vehicle Stopped
PROCEDURE 1. CHECK CONDITION (a) Check with the customer if the vehicle has been turned by a turntable. OK: Vehicle has not been turned by a turntab ...

Voice Guidance does not Function
PROCEDURE 1. CHECK VOICE GUIDANCE SETTING (a) Check that the voice guidance settings are not off. OK: Voice guidance settings are not off. NG C ...

Other materials:

Rear Left Center Sensor Malfunction (C1AE7)
DESCRIPTION The No. 1 ultrasonic sensor (rear center sensor LH) is installed on the rear bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (rear center sensor LH). If the No. 1 ultrasonic sensor (rear center sensor LH) has an open circuit or other ma ...

Initialization
INITIALIZATION 1. PROCEDURES NECESSARY WHEN BATTERY TEMINAL IS DISCONNECTED/RECONNECTED Necessary Procedure Effect/Inoperative Function when Necessary Procedures are not Performed Link Perform steering sensor zero point calibration Lane ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE FRONT BUMPER ASSEMBLY (See page ) 2. REMOVE HEADLIGHT ASSEMBLY (a) Apply protective tape around the headlight ...

В© 2011-2020 Copyright www.ttguide.net