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

Toyota Tacoma (2015-2018) Service Manual / Navigation / Multi Info Display / Navigation System / Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This circuit provides power to the stereo component amplifier assembly.

WIRING DIAGRAM

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

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)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS AND CONNECTOR

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