AUDIO AND VISUAL SYSTEM(for Radio and Display Type) Stereo Component Amplifier Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the stereo component amplifier assembly.

WIRING DIAGRAM

B00414XE05
*a from Auxiliary Battery
*b from ACC Relay
*c Radio and Display Receiver Assembly
*d Stereo Component Amplifier Assembly

CAUTION / NOTICE / HINT

Note

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- BATTERY AND BODY GROUND)


    1. B0040UEE02
      Text in Illustration
      *a

      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
      K15-10 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      K15-5 (+B) - Body ground Ignition switch off 11 to 14 V
      K15-12 (ACC) - Body ground Ignition switch ACC 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)


    1. Disconnect the K15 stereo component amplifier assembly connector.

    2. Disconnect the F67 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K15-9 (AMP+) - F67-9 (AMP) Always Below 1 Ω
      K15-9 (AMP+) - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR