Problem Symptoms Table
WARNING: This page is about a different car, the 2003 Lexus GS 430 and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS
| Flow chart No. | Component | Symptom |
|---|---|---|
| 1 | Multi display | Black screen (Nothing displayed) |
| 2 | No sound with Power switch pressed. ("AUTO OFF" on audio screen) | |
| 3 | No navigation screen displayed when "MAP", "MENU" or "DEST" switch pressed. (Screen cannot be switched.) | |
| 4 | No corresponding screen displayed when "AUDIO" or "Information" switch pressed. | |
| 5 | No navigation displayed, "Audio OFF" on audio screen and no audio sound. | |
| 6 | Screen cannot be dimmed in night time. | |
| 7 | Navigation screen not stabilized. (Synchronous error) | |
| 8 | Color on navigation screen is unusual (RGB signal error) | |
| 9 | Black screen appears when "MAP", "Menu" or "DEST" switch pressed. | |
| 10 | Sound of radio, cassette tape or CD only cannot be heard from speaker. | |
| 11 | No sound (radio, cassette tape, CD) can be heard from driver side door speaker only. | |
| 12 | Map DISC cannot be inserted. | |
| 13 | MAP screen display does not appear. (Disc Caution screen does not change.) | |
| 14 | MAP is displayed in white or blue screen. (Switch and vehicle position mark is displayed.) | |
| 15 | Touch switch does not function. (Navigation screen only) | |
| 16 | Touch switch does not function. (A/C control screen only) | |
| 17 | Panel switch does not function. (Navigation screen only) | |
| 18 | Panel switch does not function. (A/C control screen only) | |
| 19 | The screen cannot be change to night mode color. | |
| 20 | Vehicle position is deviated from correct point badly. | |
| 21 | GPS mark does not appear. | |
| 22 | No voice navigation. | |
| 23 | Vehicle position rotates without control. (Map rotates without control) | |
| 24 | Driving direction is opposite to moving direction of vehicle position mark. | |
| 25 | Audio Head Unit | Radio reception poor. |
| 26 | Cassette tape cannot be inserted. | |
| 27 | Cassette tape cannot be ejected. | |
| 28 | Any speaker does not work. | |
| 29 | CD AUTO Changer | CD magazine cannot be inserted. |
| 30 | CD magazine inserted, but no power. | |
| 31 | Power coming in, but CD auto changer not operating.. | |
| 32 | Sound jumps. | |
| 33 | Sound quality poor. (Volume faint) | |
| 34 | CD magazine will not be ejected. | |
| 35 | Any speaker does not work. | |
| 36 | Power Amplifier | No power coming in. |
| 37 | Any speaker does not work. | |
| 38 | No power coming, but woofer amplifier not operating. | |
| 39 | Noise | Noise occurs |
| 40 | Noise produced by vibration or shock while driving. | |
| 41 | Noise produced when engine starts. |