NAVIGATION SYSTEM(for Radio and Display Type) Stereo Component Amplifier Power Source Circuit

WIRING DIAGRAM

This circuit provides power to the stereo component amplifier assembly.

WIRING DIAGRAM

A01QQ1OE03
*a from Battery
*b from ACC Relay
*c Stereo Component Amplifier Assembly

CAUTION / NOTICE / HINT

Note


  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

  • Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections.

    Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - BATTERY AND BODY GROUND)


    1. A01QQ59C04
      *a

      Front view of wire harness connector

      (to Stereo Component Amplifier Assembly)

      Disconnect the stereo component amplifier assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      M33-3 (GND) - 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
      M33-1 (+B) - Body ground Always 11 to 14 V
      M32-12 (ACC) - Body ground Ignition switch ACC 11 to 14 V
      Ignition switch off Below 1 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