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

DESCRIPTION

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

WIRING DIAGRAM

A01V9TYE06

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. A01V6ZKC03
      *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
      w/o Stop and Start System
      Tester Connection Condition Specified Condition
      G141-4 (+B1) - G141-7 (GND1) Always 11 to 14 V
      G141-3 (ACC1) - G141-7 (GND1) Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 V
      G143-1 (IG) - G141-7 (GND1) Ignition switch ON 11 to 14 V
      Ignition switch off Below 1 V
      Standard Voltage
      w/ Stop and Start System
      Tester Connection Condition Specified Condition
      G141-4 (+B1) - G141-7 (GND1) Always 10.5 to 14 V
      G141-3 (ACC1) - G141-7 (GND1) Ignition switch ACC 10.5 to 14 V
      Ignition switch off Below 1 V
      G143-1 (IG) - G141-7 (GND1) Ignition switch ON 11 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