Problem Symptoms Table
WARNING: This page is about a different car, the 2010 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
DISPLAY FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| Pressing PWR switch does not turn on system. | Proceed to "Pressing Power Switch does not Turn on System" | Refer to Pressing Power Switch does not Turn on System |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Black screen (No image appears on navigation/audio screen). | Proceed to "Black Screen" | Refer to Black Screen |
| Proceed to "Illumination circuit" | Refer to Illumination Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Illumination for panel switch does not come on with TAIL switch on. | Proceed to "Illumination for Panel Switch does not Come on with TAIL Switch ON" | Refer to Illumination for Panel Switch does not Come on with Tail Switch ON |
| Proceed to "Illumination circuit" | Refer to Illumination Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Display does not dim (Night Screen) with TAIL switch on. | Proceed to "Display does not Dim when Light Control Switch is Turned ON" | Refer to Display does not Dim when Light Control Switch is Turned ON |
| Proceed to "Illumination circuit" | Refer to Illumination Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Power does not turn off (The screen remains on). | Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Panel switches do not function. | Proceed to "Panel Switches do not Function" | Refer to Panel Switches do not Function |
| Proceed to "Steering pad switch circuit" | Refer to Steering Pad Switch Circuit | |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Touch panel switch does not function. | Proceed to "Touch Panel Switch does not Function" | Refer to Touch Panel Switch does not Function |
| Proceed to "Steering pad switch circuit" | Refer to Steering Pad Switch Circuit | |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Display panel does not open, tilt, or tilts improperly. | Proceed to "Display Panel does not Open, Tilt, or Tilts Improperly" | Refer to Display Panel does not Open, Tilt or Tilts Improperly |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Screen is distorted. | Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Screen flicker or color distortion. | Proceed to "Screen Flicker or Color Distortion" | Refer to Screen Flicker or Color Distortion |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Navigation function switches can be operated while vehicle is running. | Proceed to "Speed Signal Circuit" | Refer to Speed Signal Circuit |
AUDIO FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| No sound can be heard from speakers (audio is mute). | Proceed to "No Sound can be Heard from Speakers" | Refer to No Sound can be Heard from Speakers |
| Proceed to "Speaker Circuit" | Refer to Speaker Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | Refer to Radio Broadcast cannot be Received or Poor Reception |
| Replace Antenna cord sub-assembly | Refer to REMOVAL | |
| Replace Antenna cord No. 3 sub-assembly | Refer to REMOVAL | |
| Replace Antenna amplifier | Refer to REMOVAL | |
| CD cannot be inserted/played or CD is ejected right after insertion. | Proceed to "CD cannot be Inserted / Played or CD is Ejected Right After Insertion" | Refer to CD cannot be Inserted / Played or CD is Ejected Right After Insertion |
| CD cannot be ejected. | Proceed to "CD cannot be Ejected" | Refer to CD cannot be Ejected |
| CD sound skips. | Proceed to "CD Sound Skips" | Refer to CD Sound Skips |
| Abnormal noise occurs. | Proceed to "Noise Occurs" | Refer to Noise Occurs |
| Poor sound quality in all modes (low volume). | Proceed to "Poor Sound Quality in All Modes (Low Volume)" | Refer to Poor Sound Quality in All Modes (Low Volume) |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| External device sound cannot be heard or sound quality is bad (Stereo jack is used). | Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | Refer to Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter | |
| Replace Stereo jack adapter | Refer to REMOVAL | |
| Replace Navigation receiver assembly | Refer to REMOVAL |
NAVIGATION FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| Map disc cannot be inserted. | Proceed to "Map Disc cannot be Inserted" | Refer to Map Disc cannot be Inserted |
| Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Map disc cannot be ejected. | Proceed to "Navigation receiver assembly power source circuit" | Refer to Navigation Receiver Assembly Power Source Circuit |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Vehicle position mark deviates. | Proceed to "Vehicle Position Mark Deviates Greatly" | Refer to Vehicle Position Mark Deviates Greatly |
| Proceed to "Speed Signal Circuit" | Refer to Speed Signal Circuit | |
| Proceed to "Reverse Signal Circuit" | Refer to Reverse Signal Circuit | |
| Replace Navigation antenna assembly | Refer to REMOVAL | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Cursor or map rotates when vehicle is stopped. | Proceed to "Cursor or Map Rotates When Vehicle is Stopped" | Refer to Cursor or Map Rotates when Vehicle Stopped |
| Proceed to "Speed Signal Circuit" | Refer to Speed Signal Circuit | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Vehicle position mark is not updated. | Proceed to "Vehicle Position Mark is not Updated" | Refer to Vehicle Position Mark is not Updated |
| Proceed to "Speed Signal Circuit" | Refer to Speed Signal Circuit | |
| Map disc | - | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Current position display does not appear. | Proceed to "Current Position Display does not Appear" | Refer to Current Position Display does not Appear |
| Map disc | - | |
| Replace Navigation antenna assembly | Refer to REMOVAL | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| GPS mark is not displayed. | Proceed to "GPS Mark is not Displayed" | Refer to GPS Mark is not Displayed |
| Replace Navigation antenna assembly | Refer to REMOVAL | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Voice guidance does not function. | Proceed to "Voice Guidance does not Function" | Refer to Voice Guidance does not Function |
| Proceed to "Speaker Circuit" | Refer to Speaker Circuit | |
| Replace Map disc | - | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Map display incomplete. | Proceed to "Map Display Incomplete" | Refer to Map Display Incomplete |
| Map disc | - | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Route cannot be calculated. | Proceed to "Route cannot be Calculated" | Refer to Route cannot be Calculated |
| Map disc | - | |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Speed signal does not change in the navigation check mode. | Proceed to "Speed Signal Circuit" | Refer to Speed Signal Circuit |
| Reverse signal does not change in the navigation check mode. | Proceed to "Reverse signal circuit" | Refer to Reverse Signal Circuit |
STEERING PAD SWITCH FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| The system cannot be operated by the steering pad switch. | Proceed to "Steering pad switch circuit" | Refer to Steering Pad Switch Circuit |
| Replace Navigation receiver assembly | Refer to REMOVAL | |
| Illumination for steering pad switch does not come on with TAIL switch on. | Proceed to "Illumination circuit" | Refer to Illumination Circuit |
| Replace Navigation receiver assembly | Refer to REMOVAL |