Toyota Tacoma (2015-2018) Service Manual: Voice Guidance does not Function

Toyota Tacoma (2015-2018) Service Manual / Navigation / Multi Info Display / Navigation System / 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.

CHANGE VOICE GUIDANCE SETTINGS TO ON

2.	CHECK AUDIO FUNCTION

(a) Check that sound can be heard from a front speaker.

OK:

Sound can be heard.

REPLACE NAVIGATION RECEIVER ASSEMBLY

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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 ...

Route cannot be Calculated

PROCEDURE 1. SET DESTINATION (a) Set another destination and check if the system can calculate the route correctly. OK: Route can be correctly calculated. ...

Other materials:

ECU Power Source Circuit
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. INSPECT BATTERY (a) Check the battery voltage. Standard voltage: 11 to 14 V NG ...

Lost Communication with ECM / PCM "A" (U0100-U0142,U0155)
DESCRIPTION These DTCs are stored when the clearance warning ECU assembly cannot receive and recognize several signals via the CAN communication system. DTC No. DTC Detection Condition Trouble Area U0100 Lost Communication with ECM / P ...

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 NO. 1 FRONT WHEEL OPENING EXTENSION PAD (w/ Front Spoiler) 2. SEPARATE FRONT FENDER LINER (a) Remov ...