Section 518 (Navigation System - Diagnostics)
WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnostic Trouble Code Table
- Parts Location
- Circuit Inspection
- Black Screen (Nothing Displayed)
- No Sound With POWER Switch Pressed ("Audio OFF" On Audio Screen)
- No Navigation Screen Displayed When "MAP", "Menu", Or "DEST" Switch Pressed (Screen Cannot Be Switched)
- No Corresponding Screen Displayed When "Audio" Or "Information" Switch Pressed
- No Navigation Displayed, "Audio OFF" On Audio Screen And No Audio Sound
- Screen Cannot Be Dimmed In Night Time
- Navigation Screen Not Stabilized (Synchronous Error)
- Color On Navigation Screen Is Unusual (RGB Signal Error)
- Black Screen Appears When "MAP", "Menu" Or "DESTINATION" Switch Pressed
- Sound Of Radio, Cassette Tape Or CD Only Cannot Be Heard From Speaker
- No Sound (Radio, Cassette Tape, DVD) Can Be Heard From Driver Side Door Speaker Only
- Map DISC Cannot Be Inserted
- MAP Screen Display Does Not Appear (Disc Caution Screen Does Not Change)
- Map Is Displayed In White Or Blue Screen (Switches And Vehicle Position Mark Are Displayed)
- Touch Switch Does Not Function (Navigation Screen Only)
- Touch Switch Does Not Function (A/C Control Screen Only)
- Panel Switch Does Not Function (Navigation Screen Only)
- Panel Switch Does Not Function (A/C Control Only)
- Navigation Screen Cannot Change To The Night Mode Color
- Vehicle Position Is Deviated From Correct Point Badly
- GPS Mark Does Not Appear
- No Voice Navigation
- Vehicle Position Rotates Without Control (Map Rotates Without Control)
- Driving Direction Is Opposite To Moving Direction Of Vehicle Position Mark
- Navigation System Cannot Be Operated With Voice Recognition
- Any Speaker Does Not Work (DVD Sound Only)
- DVD Magazine Cannot Be Inserted
- DVD Magazine Inserted, But No Power
- Power Coming In, But DVD Auto Changer Not Operating
- Sound Jumps (DVD Sound Only)
- DVD Magazine Will Not Be Ejected
- Cellular Phone Registration Failure, Phone Directory Transfer Failure
- The Cellular Phone Cannot Send/Receive
- Cannot Call in a Certain Place
- Voice On Phone Cannot Be Heard, Too Quiet, Or Distorted
- Own Voice Cannot Be Heard, Quiet Or Distorted
- Power Source Circuit (Navigation ECU)
- Power Source Circuit (Multi-Display Assembly)
- Power Source Circuit (Network Gateway ECU)
- Speaker Circuit
- Display Signal Circuit
- Reverse Signal Circuit
- AVC-LAN (Communication Bus) Circuit