Problem Symptoms Table
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS
| Flow Chart No. | Symptom | Refer To |
|---|---|---|
| 1 | Even When Pressing "PWR/VOL" Switch Or Any Audio Switch, The Screen Remains Black | INSPECTION PROCEDURE |
| 2 | Panel Switch Does Not Function | PANEL SWITCH DOES NOT FUNCTION |
| 3 | Although "PWR/VOL" Switch Is Pressed, No Sound Is Heard (Display And Switch Operation Is Normal) | INSPECTION PROCEDURE |
| 4 | No Navigation Screen Displayed When "NAVI" "MAP/VOICE" Or "DEST" Switch Pressed (Screen Cannot Be Switched) | INSPECTION PROCEDURE |
| 5 | Navigation Screen Not Stabilized (Synchronous Error) | NAVIGATION SCREEN NOT STABILIZED (SYNCHRONOUS ERROR) |
| 6 | Color On Navigation Screen Is Unusual (RGB Signal Error) | COLOR ON NAVIGATION SCREEN IS UNUSUAL (RGB SIGNAL ERROR) |
| 7 | Front Speaker (Driver Side) Only Is Not Heard (Radio, Cassette Tape, CD) | INSPECTION PROCEDURE |
| 8 | Map DVD Cannot Be Inserted | MAP DVD CANNOT BE EJECTED OR PLAYED |
| 9 | Map Screen Displayed Does Not Appear (Disc Caution Screen Does Not Change) | INSPECTION PROCEDURE |
| 10 | Map Is Displayed In White Or Blue Screen (Switched And Vehicle Position Mark Are Displayed) | INSPECTION PROCEDURE |
| 11 | Screen Cannot Be Dimmed When Light Control Switch Is Turned To "TAIL" Position | INSPECTION PROCEDURE |
| 12 | Touch Switch Does Not Function (Navigation Screen Only) | TOUCH SWITCH DOES NOT FUNCTION (NAVIGATION SCREEN ONLY) |
| 13 | Vehicle Position Is Deviated From Correct Point Badly | VEHICLE POSITION IS DEVIATED FROM CORRECT POINT BADLY |
| 14 | GPS Mark Does Not Appear | GPS MARK DOES NOT APPEAR |
| 15 | No Voice Navigation | NO VOICE NAVIGATION |
| 16 | Vehicle Position Mark Rotates Without Control (Map Rotates Without Control) | INSPECTION PROCEDURE |
| 17 | Driving Directions Opposite To Moving Defection Of Vehicle Position Mark | INSPECTION PROCEDURE |
| 18 | CD Cannot Be Inserted/Is Ejected Right After Insertion/Cannot Be Played | INSPECTION PROCEDURE |
| 19 | CD Cannot Be Ejected | CD CANNOT BE EJECTED |
| 20 | Cassette Tape Cannot Be Inserted Or Played | INSPECTION PROCEDURE |
| 21 | Cassette Tape Cannot Be Ejected | INSPECTION PROCEDURE |
| 22 | CD Sound Skips | CD SOUND SKIPS |
| 23 | Noise Occurs | NOISE OCCURS |
| 24 | Radio Broadcast Cannot Be Received (Bad Reception) | RADIO BROADCAST CANNOT BE RECEIVED (BAD RECEPTION) |
| 25 | Rear Seat Entertainment System Does Not Respond To Any Remote Control Operations | INSPECTION PROCEDURE |
| 26 | Quality Of Sound From Wireless Headphone Is Poor Or No Sound Can Be Heard | INSPECTION PROCEDURE |
EXAMPLES OF MISUNDERSTANDING SYMPTOMS AS MALFUNCTIONS
| Condition | Cause | Procedure to recover |
|---|---|---|
| Screen Displays "AUDIO OFF", Even When "PWR/VOL" Switch Is Turned Off | "PWR/VOL" Switch Turns The Audio Off, But Not The Screen. To Turn Off The Screen, "SCREEN OFF" Switch Must Be Pressed | Press "DISPLAY" Switch > Press "SCREEN OFF" Switch On Screen |
| The Screen Is Too Dark Or Too Bright, When The Screen Is Changed Between Navigation And Audio | The Contrast Set Up Of The Screen Between Navigation And Audio Is Different. The Contrast Needs To Be Set Up For Each Of The Navigation And Audio Screen | *Navigation: Press "DISPLAY" And Adjust By "BRIGHTNESS" Switch. *AUDIO: Press "DISPLAY" And Adjust By "CONTRAST" Switch |
| Present Position Is Not Displayed Even When "NAVI" Switch Is Pressed | Pressing "NAVI" Switch Displays The Previous Screen. For Present Position, "MAP/VOICE" Switch Must Be Pressed | Press "NAVI" Switch > Press "MAP/ VOICE" Switch |
| Even When Pressing The Panel Switch, It Doesn't Function | *Since This Switch Is Pressure Sensitive Type, Press The Switch Securely. *The Panel Switch Toned Down Does Not Work Even If Is Pressed | Press The Panel Switch Securely, If The Pressure Is Weak Or Time Is Insufficient, The Switch Does Not Function |