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

Toyota Tacoma (2015-2018) Service Manual / Audio / Video / Audio And Visual System / Voice Guidance does not Function

PROCEDURE

1.	CHECK VOICE GUIDANCE SETTING

(a) Check that the voice guidance setting is not off.

OK:

Voice guidance setting is not off.

CHANGE THE VOICE GUIDANCE SETTING TO ON

2.	CHECK AUDIO FUNCTION

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

OK:

Sound can be heard.

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Poor Sound Quality in All Modes (Low Volume)

PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set Treble, Mid and Bass to the initial values and check that sound is normal. OK: Malfunction disappears. HINT: Sound qual ...

Voice is not Recognized

PROCEDURE 1. CHECK CONDITION (a) Check if the system voice recognition level is low for a particular voice. Result Result Proceed to ...

Other materials:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL INSTRUMENT PANEL CUSHION (a) Install a new instrument panel cushion as shown in the illustration. Text in Illustration *a R End *b 25 to 45 mm (0.984 to 1.772 in.) ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART If a DTC is displayed during the DTC check, check the circuit listed for the DTC in the table below (refer to the appropriate page). HINT: When the SRS warning light remains on and the normal system code is output, a decrease in the source voltage is li ...

Check Bus 5 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Detection Item Trouble Area Resi ...