Toyota Avalon Service & Repair Manual: Power Source Circuit

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Audio / Video / Active Noise Control System / Power Source Circuit

DESCRIPTION

This circuit is the power source circuit for the stereo component equalizer assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses and relays for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT EQUALIZER ASSEMBLY - BATTERY [+B, IGN] AND BODY GROUND)

(a) Disconnect the stereo component equalizer assembly connector.

*a

Front view of wire harness connector

(to Stereo Component Equalizer Assembly)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

G68-14 (+B) - Body ground

Always

11 to 14 V

G68-27 (IGN) - Body ground

Engine switch on (IG)

11 to 14 V

G68-13 (ACC) - Body ground

Engine switch on (ACC)

11 to 14 V

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G68-28 (GND) - Body ground

Always

Below 1 Ω
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Parts Location

    Precaution

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