AUDIO AND VISUAL SYSTEM(for Radio Receiver Type) Radio Receiver Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the radio receiver assembly.

WIRING DIAGRAM

A004EV4E02
*a from Auxiliary Battery
*b DOME
*c from ACC Relay
*d Radio Receiver 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 (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)


    1. A004GBZE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)

      Disconnect the radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F30-7 (GND1) - 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
      F30-4 (+B1) - Body ground Ignition switch off 11 to 14 V
      F30-3 (ACC1) - Body ground Ignition switch ACC 11 to 14 V

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR