AUDIO AND VISUAL SYSTEM (w/o Microphone), Diagnostic DTC:01-DC

DTC Code DTC Name
01-DC Transmission Error (RADIO TUNER)

DESCRIPTION

DTC No. DTC Detection Condition Trouble Area
01-DC

This code indicates a transmission failure of the device indicated by the sub code.

NOTE: This DTC may have no direct relationship with the malfunction.

Inspection of the device indicated by the sub code.

(Refer to the inspection list for the device indicated by the sub code.)

Tech Tips


  • If the power connector is disconnected after the engine starts, this code is recorded after 180 seconds.

  • If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.

INSPECTION PROCEDURE

Tech Tips

Methods used to verify the cause of the problem are listed in the order of probability of the trouble areas.

PROCEDURE


  1. INSPECT POWER SOURCE CIRCUIT (RADIO RECEIVER)


    1. A0136W0E02

      Disconnect the C17 radio receiver connector.

    2. Check the resistance.

      Standard Resistance
      Tester Connection Condition Specified Condition
      GND (C17-8) - Body ground Constant Below 1 Ω

    3. Turn the ignition switch to the ACC position.

    4. Measure the voltage.

      Standard Voltage
      Tester Connection Condition Specified Condition
      B (C17-7) - GND (C17-8) Constant 10 to 14 V
      ACC (C17-4) - GND (C17-8) Ignition switch ACC or ON 10 to 14 V

    5. Reconnect the radio receiver connector.


    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE RADIO RECEIVER