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

DESCRIPTION

This circuit provides power to the radio receiver assembly.

WIRING DIAGRAM

A01VAX2E02

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 POWER SOURCE)


    1. A01V7Q9C09
      *a

      Front view of wire harness connector

      (to Radio Receiver Assembly)

      Disconnect the radio receiver assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G46-7 (GND1) - Body ground Always Below 1 Ω

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

      Standard Voltage
      w/o Stop and Start System
      Tester Connection Condition Specified Condition
      G46-4 (+B1) - Body ground Always 11 to 14 V
      G46-3 (ACC1) - Body ground Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      w/ Stop and Start System
      Tester Connection Condition Specified Condition
      G46-4 (+B1) - Body ground Always 10.5 to 14 V
      G46-3 (ACC1) - Body ground Ignition switch ACC 10.5 to 14 V
      Ignition switch off Below 1 V
      Result
      Proceed to
      OK
      NG (w/o Stop and Start System)
      NG (w/ Stop and Start System)

    OK

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

    NG (w/o Stop and Start System)

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG (w/ Stop and Start System)

    GO TO STOP AND START SYSTEM (BACKUP BOOST CONVERTER CIRCUIT) for 3ZR-FAE: Click here
    GO TO STOP AND START SYSTEM (BACKUP BOOST CONVERTER CIRCUIT) for 2WW: Click here