Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This circuit provides power to the stereo component amplifier assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

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

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY POWER SOURCE)

(a) Disconnect the stereo component amplifier assembly connectors.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

S24-6 (GND) - Body ground

Always

Below 1 Ω

S24-7 (E) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

S31-1 (+B) - S24-6 (GND)

Always

11 to 14 V

S31-5 (+B2) - S24-6 (GND)

Always

11 to 14 V

S23-12 (ACC) - S24-6 (GND)

Ignition switch ACC

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Stereo Component Amplifier Assembly)

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

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