Toyota Avalon Service & Repair Manual: Voice Guidance does not Function

WIRING DIAGRAM

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 VOICE GUIDANCE SETTING TO ON

OK

2.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

(a) Disconnect the G1 radio and display receiver assembly connector.

(b) Disconnect the G13 navigation ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

G1-22 (SI+) - G13-6 (VOI+)

Always

Below 1 Ω

G1-23 (SI-) - G13-7 (VOI-)

Always

Below 1 Ω

G1-22 (SI+) or G13-6 (VOI+) - Body ground

Always

10 kΩ or higher

G1-23 (SI-) or G13-7 (VOI-) - Body ground

Always

10 kΩ or higher

G13-8 (SLD1) - Body ground

Always

10 kΩ or higher

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

    Voice is not Recognized

    See More:

    Toyota Avalon Service & Repair Manual > Sfi System: Cold Start Idle Control System Performance (P050A00)
    MONITOR DESCRIPTION This monitor will run when the engine is started at an engine coolant temperature of -10 to 50°C (14 to 122°F). The DTC will be stored after the engine idles for 13 seconds (2 trip detection logic). The DTC is designed to monitor the idle air control at cold start. When the eng ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2020 Copyright www.tavalon.net
    0.0237