Lexus ES manuals

Lexus ES: 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 POWER SOURCE)

(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

G15-14 (+B) - Body ground

Power switch off

11 to 14 V

G15-27 (IGN) - Body ground

Power switch on (IG)

11 to 14 V

G15-13 (ACC) - Body ground

Power 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

G15-28 (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

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