AUDIO AND VISUAL SYSTEM Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This circuit provides power to the stereo component amplifier assembly.

WIRING DIAGRAM

A01JBLRE01

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY


    1. A01JA16E03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Stereo Component Amplifier Assembly)

      Disconnect the stereo component amplifier assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L108-10 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L108-5 (+B) - L108-10 (GND) Always 11 to 14 V
      L108-12 (ACC) - L108-10 (GND) Power switch on (ACC) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT STEREO COMPONENT AMPLIFIER ASSEMBLY


    1. A01JA16E02
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Stereo Component Amplifier Assembly)

      Disconnect the stereo component amplifier assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L108-9 (AMP+) - L108-10 (GND)

      Power switch on (ACC)

      Audio system playing

      		 8 V or higher

    NG

    CHECK HARNESS AND CONNECTOR Click here

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  3. CHECK HARNESS AND CONNECTOR


    1. A01JBPHE01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Radio Receiver Assembly)
      *2

      Front view of wire harness connector

      (to Stereo Component Amplifier Assembly)

      Disconnect the stereo component amplifier assembly and radio receiver assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L108-9 (AMP+) - L34-9 (AMP) Always Below 1 Ω
      L108-9 (AMP+) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE RADIO RECEIVER ASSEMBLY Click here