Radio, Stereo, and Compact Disc

Code No. (physical address) List




DIAGNOSIS CODE LIST
- If there is "0" in the column of system check, an error can be detected when the mode is switched to the system check mode.
- If there is "0" in the column of diagnosis mode, each unit is monitoring whether or not it has failure. In case of detecting failure, it memorizes DTC.

NOTE: When replacing the internal mechanism (computer part) of the audio system, be careful that no part of your body or clothing comes in contact with the terminals of the leads from the IC, etc. of the replacement part (spare part).

HINT: This inspection procedure is a simple troubleshooting which should be carried out on the vehicle during system operation and was prepared on the assumption of system component troubles (except for the wires and connectors, etc.).

Always inspect the trouble taking the following items into consideration.
- Open or short circuit of the wire harness .
- Connector or terminal connection fault.

NOTE: Lexus does not provide trouble code driven diagnostics for this system. For testing refer to Diagnosis By Symptom.