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

DTC Code DTC Name
Radio Receiver Power Source Circuit

DESCRIPTION

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

WIRING DIAGRAM

E269551E06

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 AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)

    1. E256516C03

      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)

      Disconnect the radio and display receiver assembly connectors.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G141-7 (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

      G141-4 (+B1) - G141-7 (GND1)

      Always

      11 to 14 V

      G141-3 (ACC1) - G141-7 (GND1)

      Power switch on (ACC)

      11 to 14 V

      Power switch off

      Below 1 V

      G143-1 (IG) - G141-7 (GND1)

      Power switch on (IG)

      11 to 14 V

      Power switch off

      Below 1 V

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR