Lexus ES manuals

Lexus ES: Voice Guidance does not Function

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

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  • When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio receiver assembly may not operate normally.

PROCEDURE

1.

CHECK VOICE GUIDANCE SETTING

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

OK:

Voice guidance setting is not off.

NG

CHANGE THE VOICE GUIDANCE SETTING TO ON

OK

2.

CHECK AUDIO FUNCTION

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

OK:

Sound can be heard.

OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

READ NEXT:

 Voice is not Recognized

PROCEDURE 1. CHECK CONDITION (a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation. OK: Voice command is recognized normally. HINT:

 Front Door Speaker

 Components

COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *C for 17 Speakers - - *1 COURTESY LIGHT ASSEMBLY *2 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *3 FR

SEE MORE:

 Terminals Of Ecu

TERMINALS OF ECU Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G128-1 (+B) - G128-20 (E) BR - W-B Power source (+B) Power switch off 11 to 14 V G128-3 (SIG-) - G128-20 (E) B - W-B Ground Always Below 1 V G128-4 (IND1) -

 Voice Guidance does not Function

WIRING DIAGRAM PROCEDURE 1. CHECK VOICE GUIDANCE SETTING (a) Check that the voice guidance settings are not off. OK: Voice guidance settings are not off. NG CHANGE VOICE GUIDANCE SETTINGS TO ON OK 2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NA

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