Section 484 (Navigation System - Diagnostics)
WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
- Navigation System
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Identification Of Noise Source
- 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)
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Check Mode Procedure
- Diagnostic Trouble Code Chart
- Circuit Inspection
- Pressing power switch does not turn on system
- 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
- Display panel does not open, tilt, or tilts improperly
- Screen flicker or color distortion
- No sound can be heard from speakers (Audio is mute)
- Radio broadcast cannot be received (Bad reception)
- CD cannot be inserted/played or CD is ejected right after insertion
- CD cannot be ejected
- Abnormal noise occurs
- CD sound skips
- Poor sound quality in all modes (Low volume)
- Map disc cannot be inserted
- Map disc cannot be ejected
- 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
- Power source circuit (Radio and navigation assy)
- Power source circuit (Stereo component amplifier assy)
- Power source circuit (Rear seat audio controller)
- Power source circuit (Multi-display controller sub-assy)
- Illumination circuit (Double Cab)
- Illumination circuit (Except Double Cab)
- AVC-LAN circuit (Radio and navigation assy - Stereo component amplifier)
- AVC-LAN circuit (Radio and navigation assy - Rear seat audio controller)
- AVC-LAN circuit (Radio and navigation assy - Multi-display controller sub-assy)
- Amplifier mute signal circuit
- Amplifier sound signal circuit
- Speaker circuit (Navigation voice)
- Speaker circuit
- Steering pad switch circuit
- Speed signal circuit
- Reverse signal circuit