Audio and Visual System

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: 01-D5: Absence of Registration Unit

DTC 01-D5 - Absence of Registration Unit

DTC 01-D8 - No Response for Connection Check

DTC 01-D9 - Last Mode Error

DTC 01-DA - No Response Against ON / OFF Command

DTC 01-DB - Mode Status Error

DTC 01-DE - Slave Reset

DESCRIPTION





HINT:
- *1: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage.
- *2: If the power connector is disconnected after the engine starts, this code is stored after 180 seconds.
- *3: If the device is reported as not existing during verification, check the power source circuit and AVC-LAN circuit for the device.
NOTICE:
- Before starting troubleshooting, be sure to clear DTCs stored due to the reasons described in the HINT above. Then, check for DTCs and troubleshoot according to the output DTCs.
- The radio receiver is the master unit.
- Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE
NOTE:
Be sure to read Description before performing the following procedures.

PROCEDURE

1. CHECK "RADIO RECEIVER COMMUNICATION ERROR" IN FLOW CHART
Refer to Radio Receiver Communication Error Radio Receiver Communication Error.
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