Problem Symptoms Table
WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
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
PROBLEM SYMPTOM
| Problem | Refer to | |
|---|---|---|
| Radio | Radio not operating when power switch turned to 'ON'. | 1 |
| Display indicates when power switch turned to 'ON', but no sound (including 'noise') is produced. | 2 | |
| Noise present, but AM - FM not operating. | 3 | |
| Any speaker does not work. | 4 | |
| Any AM or FM does not work. | 5 | |
| Few preset turning bands. | 5 | |
| Reception poor. | 6 | |
| Sound quality poor. | 7 | |
| Preset memory disappears. | 8 | |
| Tape Player | Cassette tape cannot be inserted. | 9 |
| Cassette tape inserted, but no power. | 10 | |
| Power coming in, but tape player not operating. | 11 | |
| Any speaker does not work. | 12 | |
| Sound quality poor. | 13 | |
| Tape jammed, malfunction with tape speed or auto-reverse. | 14 | |
| Cassette tape will not eject. | 15 | |
| CD Player | CD cannot be inserted. | 16 |
| CD inserted, but no power. | 17 | |
| Power coming in, but CD player not operating. | 18 | |
| Sound jumps. | 19 | |
| Sound quality poor (Volume faint). | 20 | |
| Any speaker does not work. | 21 | |
| CD will not be ejected. | 22 | |
| Stereo Component Amplifier | No power coming in. | 23 |
| Power coming in, but Stereo component amplifier not operating. | 24 | |
| Any speaker does not work. | 25 | |
| Noise | Noise occurs | 26 |
| Noise produced by vibration or shock while driving. | 27 | |
| Noise produced when engine starts. | 28 |
The term "AM" includes LW, MW and SW, and the term "FW" includes UKW.