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

A01KRSFE16
*a from Auxiliary Battery
*b RADIO
*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 procedure.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - AUXILIARY BATTERY, BODY GROUND)


    1. Disconnect the E137 radio receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E137-7 (GND1) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E137-4 (+B1) - E137-7 (GND1) Power switch off 11 to 14 V
      E137-3 (ACC1) - E137-7 (GND1) Power switch on (ACC) 11 to 14 V
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR