Navigation Function
PROBLEM SYMPTOMS TABLE - NAVIGATION FUNCTION
| Symptom |
Verification |
| Map disc cannot be inserted. |
- "MAP DISC CANNOT BE INSERTED"
- Power source circuit (navigation ECU)
- Replace navigation ECU
|
| Map disc cannot be ejected. |
- Power source circuit (navigation ECU)
- Replace navigation ECU
|
| Vehicle position mark deviates greatly. |
- "VEHICLE POSITION MARK DEVIATES GREATLY"
- Replace GPS antenna assy
- Replace navigation ECU
|
| Cursor or map rotates when vehicle is stopped. |
- "CURSOR OR MAP ROTATES WHEN VEHICLE IS STOPPED"
- Replace navigation ECU
|
| Vehicle position mark is not updated. |
- "VEHICLE POSITION MARK IS NOT UPDATED"
- Replace map disc
- Replace navigation ECU
|
| Current position display does not appear. |
- "CURRENT POSITION DISPLAY DOES NOT APPEAR"
- Replace map disc
- Replace navigation ECU
|
| GPS mark is not displayed. |
- "GPS MARK IS NOT DISPLAYED"
- Replace GPS antenna assy
- Replace navigation ECU
|
| Voice guidance does not function. |
- "VOICE GUIDANCE DOES NOT FUNCTION"
- Speaker circuit (navigation voice)
- Mute signal circuit (stereo component amplifier assy -navigation ECU)
- Replace map disc
- Replace navigation ECU
|
| Map display incomplete |
- "MAP DISPLAY INCOMPLETE"
- Replace map disc
- Replace navigation ECU
|
| Route cannot be calculated. |
- "ROUTE CANNOT BE CALCULATED"
- Replace map disc
- Replace navigation ECU
|
| Voice recognition difficulty |
- "VOICE RECOGNITION DIFFICULTY"
- Replace navigation ECU
|
| Voice is not recognized. |
- "VOICE IS NOT RECOGNIZED"
- Microphone circuit (overhead J/B - multi-display)
- Microphone circuit (multi-display - navigation ECU)
- Steering pad switch circuit
- Replace microphone
- Replace overhead J/B
- Replace navigation ECU
- Replace multi-display
- Replace radio receiver assy
|