Toyota Avalon Service & Repair Manual: Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System(for Gasoline Model) / Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION

The radio and display receiver assembly sends a sound signal to the stereo component amplifier assembly via this circuit.

The sound signal that is sent is amplified by the stereo component amplifier assembly, and then is sent to the speakers.

If there is an open or short in this circuit, sound cannot be heard from the speakers even if the stereo component amplifier assembly or speakers are not malfunctioning.

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - STEREO COMPONENT AMPLIFIER ASSEMBLY)

(a) Disconnect the G14 radio and display receiver assembly connector.

(b) Disconnect the G8 stereo component amplifier assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G8-5 (R+) - G14-1 (FR+)

Always

Below 1 Ω

G8-4 (R-) - G14-6 (FR-)

Always

Below 1 Ω

G8-3 (L+) - G14-2 (FL+)

Always

Below 1 Ω

G8-2 (L-) - G14-7 (FL-)

Always

Below 1 Ω

G8-6 (SLD) - Body ground

Always

10 kΩ or higher

G8-5 (R+) or G14-1 (FR+) - Body ground

Always

10 kΩ or higher

G8-4 (R-) or G14-6 (FR-) - Body ground

Always

10 kΩ or higher

G8-3 (L+) or G14-2 (FL+) - Body ground

Always

10 kΩ or higher

G8-2 (L-) or G14-7 (FL-) - 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

    Sound of Portable Player cannot be Heard from Speakers or Sound is Low

    Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

    See More:

    Toyota Avalon Service & Repair Manual > Sfi System: EVAP System
    RELATED DTCS DTC No. SAE Monitoring Item Link P00FE00 P00FE EVAP vent line blocked P043E00 P043E Reference orifice clogged (built into canister pump module) P043F00 P043F Reference orifice high-flow (built into canister pump module) P04417E P0441 Purge VSV stuck open P04417F P0441 Purge VSV (Vacuum ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2023 Copyright www.tavalon.net
    0.0115