Problem Symptoms Table
LEXUS NAVIGATION SYSTEM PROBLEM SYMPTOMS
| Flowchart No. | Symptom | See page |
|---|---|---|
| 1 | Black screen (Nothing displayed) | DI-1570 |
| 2 | No sound even with POWER switch pressed. "Audio OFF" on audio screen. | DI-1571 |
| 3 | No navigation screen displayed when "MAP", "MENU", or "DESTINATION" switch pressed (Screen cannot be switched.) | DI-1573 |
| 4 | No corresponding screen displayed when "AUDIO" or "A/C" switch pressed. (Screens other than above can be displayed.) | DI-1576 |
| 5 | No navigation displayed, "Audio OFF" on audio screen and no audio sound. | DI-1577 |
| 6 | Screen cannot be dimmed in night time. | DI-1579 |
| 7 | Navigation screen not stabilized. (Synchronous error) | DI-1580 |
| 8 | Color on navigation screen is unusual (RGB signal error) | DI-1582 |
| 9 | Black screen appears when "MAP", "MENU" or "DESTINATION" switch pressed. | DI-1584 |
| 10 | Sound of radio, cassette tape or CD only cannot be heard from speaker. | DI-1586 |
| 11 | No sound (radio, cassette tape, CD) can be heard from driver side door speaker only. | DI-1588 |
| 12 | Map DISC cannot be inserted. | DI-1591 |
| 13 | MAP screen display does not appear. (Disc Caution screen does not change.) | DI-1592 |
| 14 | Map is displayed in white or blue screen. (Switches and vehicle position mark are displayed.) | DI-1593 |
| 15 | Navigation screen cannot change to night mode color. | DI-1594 |
| 16 | Touch switch does not function. (Navigation screen only) | DI-1596 |
| 17 | Vehicle position is deviated from correct point badly. | DI-1597 |
| 18 | GPS mark does not appear. | DI-1600 |
| 19 | No voice navigation. | DI-1602 |
| 20 | Vehicle position mark rotates without control. (Map rotates without control) | DI-1603 |
| 21 | Driving direction is opposite to moving direction of vehicle position mark. | DI-1605 |
| 22 | Radio reception poor. | DI-1606 |
| 23 | Cassette tape cannot be inserted. | DI-1608 |
| 24 | Cassette tape cannot be ejected. | DI-1609 |
| 25 | CD cannot be inserted. | DI-1610 |
| 26 | CD cannot be ejected. | DI-1611 |
| 27 | No AM, FM or CD screen is displayed. | DI-1612 |
| 28 | Audio screen is not displayed. | DI-1614 |
| 29 | Panel switches do not function. | DI-1616 |
| 30 | Touch SW on the air conditioner screen does not function. | DI-1618 |
| 31 | Turning Light Control switch "Tail" does not light up the panel switches. | DI-1619 |
| 32 | Turning Light Control switch "Tail" does not light up the radio receiver switches. | DI-1620 |
| 33 | Audio system cannot be operated with Steering PAD switch. (It can be operated with Panel/Touch switches.) | DI-1621 |
| 34 | Audio system cannot be operated with air conditioner switches on Rear Controller. (It can be operated with Panel/Touch switches.) | DI-1624 |
| 35 | Navigation system cannot be operated with voice recognition. | DI-1625 |
| 36 | Cellular mobile telephone screen is not displayed on multi display. (Navigation system screen is displayed.) | DI-1627 |
| 37 | Cellular mobile phone is in abnormal operation. (Navigation system can be operated with voice recognition.) | DI-1629 |
| 38 | Cellular mobile phone cannot be operated with Steering pad switch. (It can be operated with Panel/Touch switches.) | DI-1631 |
| 39 | Pressing "Call" or "HOOK" switch does not activate the voice recognition. | DI-1633 |