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

DTC Code DTC Name
Radio Receiver Power Source Circuit

DESCRIPTION

This circuit provides power to the radio receiver assembly.

WIRING DIAGRAM

E177209E24

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 - BATTERY AND BODY GROUND)

    1. U123750E01

      Disconnect the H1 radio receiver assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      H1-7 (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

      H1-4 (+B1) - Body ground

      Always

      11 to 14 V

      H1-3 (ACC1) - Body ground

      Ignition switch ACC

      11 to 14 V

      Ignition switch off

      Below 1 V
    Table 1. Text in Illustration

    *a

    Front view of wire harness connector

    (to Radio Receiver Assembly)

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    (Click here)

    REPAIR OR REPLACE HARNESS OR CONNECTOR