Section 210 (LEXUS Navigation System - Diagnosis)
WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- Precaution
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Display Check Mode (Color Bar Check)
- Display Check Mode (Touch Switch Check)
- Display Check Mode (Panel Switch Check)
- Display Check Mode (Vehicle Signal Check)
- Navigation Check Mode (GPS Information)
- Navigation Check Mode (Vehicle Sensors)
- Navigation Check Mode (NAVI Color Bar Check)
- Navigation Check Mode (Parts Information)
- Navigation Check Mode (Microphone Check)
- Diagnosis Display Detailed Description
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnostic Start-Up/Finish
- System Check Mode (DTC Check)
- System Check Mode (DTC Clear/Recheck)
- Data List/Active Test
- Diagnostic Trouble Code Chart
- Screen Noise Automatic Adjustment
- Black Screen (No Image Appears On Navigation And Audio Screen)
- Illumination For Panel Switch Does Not Come On With Tail Switch On
- Display Does Not Dim (Night Screen) With Tail Switch On
- Panel Switch Does Not Function
- Touch Panel Switch Does Not Function
- Screen Flicker Or Color Distortion
- Map Disc Cannot Be Inserted
- Vehicle Position Mark Deviates Greatly
- Cursor Or Map Rotates When Vehicle Is Stopped
- Vehicle Position Mark Is Not Updated
- Current Position Display Does Not Appear
- GPS Mark Is Not Displayed
- Voice Guidance Does Not Function
- Map Display Incomplete
- Route Cannot Be Calculated
- Gyro Error
- Map Disc Read Error
- Speed Signal Error
- Voice Recognition Difficulty
- Voice Is Not Recognized
- 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, Too Quiet Or Distorted
- Power Source Circuit (Multi-Display)
- Power Source Circuit (Navigation Ecu)
- Power Source Circuit (Television Camera Ecu)
- Power Source Circuit (Radio Receiver ASSY)
- Power Source Circuit (Stereo Component Tuner)
- Power Source Circuit (Stereo Component Amplifier ASSY)
- Power Source Circuit (Audio And Rear A/C Control SW)
- Speed Signal Circuit (Navigation Ecu - Combination Meter ASSY)
- Speed Signal Circuit (Multi-Display - Combination Meter ASSY
- Reverse Signal Circuit
- Parking Brake Switch Circuit
- Speaker Circuit (Navigation Voice)
- Display Signal Circuit (Navigation Ecu - Television Camera Ecu)
- Display Signal Circuit (Television Camera Ecu Multi-Display)
- Cellular Phone Voice Circuit (Multi-Display - Navigation Ecu)
- MICROPHONE CIRCUIT (OVERHEAD Junction Block - MULTI-DISPLAY)
- Microphone Circuit (Multi-Display - Navigation Ecu)
- Dimmer Signal Circuit
- Steering Pad Switch Circuit
- AVC-LAN Circuit (Navigation Ecu - Stereo Component Tuner)
- AVC-LAN Circuit (Navigation Ecu - Television Camera Ecu)
- AVC-LAN Circuit (Radio Receiver ASSY - Gateway Ecu)
- AVC-LAN Circuit (Radio Receiver ASSY - Stereo Component Tuner)
- AVC-LAN Circuit (Stereo Component Amplifier ASSY -Stereo Component Tuner)
- AVC-LAN Circuit (Stereo Component Amplifier ASSY - Audio And Rear A/C Control SW)
- AVC-LAN Circuit (Radio Receiver ASSY - Multi-Display)
- Mute Signal Circuit (Stereo Component Amplifier ASSY - Navigation Ecu)