Audio Visual Telematics. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Navigation Multi Info Display. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Navigation System -- Problem Symptoms Table |
- 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.
| Symptom | Suspected Area | See page |
| Pressing power switch does not turn on system. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Black screen (no image appears on navigation/audio screen). | Proceed to "Black Screen" | HILUX_TGN26 RM0000020RR0D7X.html |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Illumination for panel switch does not come on with light control switch on. | Proceed to "Illumination for Panel Switch does not Come on with Tail Switch ON" | HILUX_TGN26 RM000000PNJ0D8X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Display does not dim (night screen) with tail switch. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Power does not turn off (screen remains on). | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Panel switches do not function. | Proceed to "Panel Switches do not Function" | HILUX_TGN26 RM000000PN80EGX.html |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Touch panel switch does not function. | Proceed to "Touch Panel Switch does not Function" | HILUX_TGN26 RM000000PN80EGX.html |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Screen is distorted. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Screen flicker or color distortion. | Proceed to "Screen Flicker or Color Distortion" | HILUX_TGN26 RM000000POJ0HEX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Navigation function switches can be operated while vehicle running. | Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000002UD707AX.html |
| Symptom | Suspected Area | See page |
| SD card cannot be inserted. | Check the SD card slot | - |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| SD card cannot be ejected. | Check the SD card slot | - |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Vehicle position mark deviates greatly. | Proceed to "Vehicle Position Mark Deviates Greatly" | HILUX_TGN26 RM000000POE0EBX.html |
| Replace navigation antenna assembly*1 | HILUX_TGN26 RM000003O1I003X.html | |
| Replace instrument panel integration antenna assembly*2 | Refer to Service Bulletin | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Cursor or map rotates when vehicle is stopped. | Proceed to "Cursor or Map Rotates when Vehicle is Stopped" | HILUX_TGN26 RM000000POD0CGX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Vehicle position mark is not updated. | Proceed to "Vehicle Position Mark is not Updated" | HILUX_TGN26 RM000000POC0DSX.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Current position display does not appear. | Proceed to "Current Position Display does not Appear" | HILUX_TGN26 RM000000POF0BHX.html |
| SD card (map data) | - | |
| Replace navigation antenna assembly*1 | HILUX_TGN26 RM000003O1I003X.html | |
| Replace instrument panel integration antenna assembly*2 | Refer to Service Bulletin | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| GPS mark is not displayed. | Proceed to "GPS Mark is not Displayed" | HILUX_TGN26 RM000000PN60EEX.html |
| Replace navigation antenna assembly*1 | HILUX_TGN26 RM000003O1I003X.html | |
| Replace instrument panel integration antenna assembly*2 | Refer to Service Bulletin | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Voice guidance does not function. | Proceed to "Voice Guidance does not Function" | HILUX_TGN26 RM000000PNM0D3X.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Map display is incomplete. | Proceed to "Map Display Incomplete" | HILUX_TGN26 RM000000POG0C2X.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Route cannot be calculated. | Proceed to "Route cannot be Calculated" | HILUX_TGN26 RM000000PNN0EEX.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Speed signal does not change in navigation check mode. | Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000002UD707AX.html |
| Reverse signal does not change in navigation check mode. | Proceed to "Reverse Signal Circuit" | HILUX_TGN26 RM000003YLU00PX.html |
- *1: w/o Blocking System
- *2: w/ Blocking System
| Symptom | Suspected Area | See page |
| No sound can be heard from speakers (audio is mute). | Proceed to "No Sound can be Heard from Speakers" | HILUX_TGN26 RM0000020N806GX.html |
| Proceed to "Speaker Circuit" | HILUX_TGN26 RM000001XJI06IX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | HILUX_TGN26 RM0000012CN0IBX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| 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" | HILUX_TGN26 RM0000020N406CX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| CD cannot be ejected. | Proceed to "CD cannot be Ejected" | HILUX_TGN26 RM0000020N5065X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| CD sound skips. | Proceed to "CD Sound Skips" | HILUX_TGN26 RM0000020N306EX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Abnormal noise occurs. | Proceed to "Noise Occurs" | HILUX_TGN26 RM000000NL50KKX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Sound quality is bad only when CD is played (volume is too low). | Proceed to "Sound Quality is Bad Only when CD is Played (Volume is Too Low)" | HILUX_TGN26 RM0000012CB0EPX.html |
| External device sound cannot be heard or sound quality bad (stereo jack is used). | Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0DPX.html |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF025X.html | |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| "AUX" is not displayed on system check mode screen. | Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0DPX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html |
| Symptom | Suspected Area | See page |
| The system cannot be operated by the steering pad switch. | Proceed to "Steering Pad Switch Circuit" | HILUX_TGN26 RM0000012CK0CXX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Illumination for steering pad switch does not come on with tail switch on. | Proceed to "Illumination Circuit" | HILUX_TGN26 RM0000012CG0FXX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html |
| Symptom | Suspected Area | See page |
| Cellular phone registration failure, phone directory transfer failure. | Proceed to "Cellular Phone Registration Failure, Phone Directory Transfer Failure" | HILUX_TGN26 RM0000011FD0J5X.html |
| Cellular phone cannot send/receive. | Proceed to "Cellular Phone cannot Send/Receive" | HILUX_TGN26 RM000000POK0JTX.html |
| Proceed to "Steering Pad Switch Circuit" | HILUX_TGN26 RM0000012CK0CXX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Cannot call in a certain place. | Proceed to "Cannot Call in a Certain Place" | HILUX_TGN26 RM000000PO90EZX.html |
| The other caller's voice cannot be heard, is too quiet, or distorted. | Proceed to "The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted" | HILUX_TGN26 RM0000014SU0MRX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| The other caller cannot hear your voice, or your voice is too quiet or distorted. | Proceed to "The Other Caller cannot Hear Your Voice, or Your Voice is too Quiet or Distorted" | HILUX_TGN26 RM0000014SV0MTX.html |
| Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly" | HILUX_TGN26 RM000003V7I00RX.html | |
| Replace map light assembly | HILUX_TGN26 RM000003YO900RX.html | |
| Replace telephone microphone assembly | HILUX_TGN26 RM000002LJJ028X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html |
| Symptom | Suspected Area | See page |
| Portable player cannot be registered. | Proceed to "Portable Player cannot be Registered" | HILUX_TGN26 RM000003VA900KX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Portable player cannot be connected manually/automatically. | Proceed to "Portable Player cannot be Registered" | HILUX_TGN26 RM000003VA900KX.html |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | HILUX_TGN26 RM000003VA800LX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Cellular phone with portable audio function cannot be recognized as "Bluetooth" audio device even when connected using "Bluetooth". | Proceed to "Portable Player cannot be Registered" | HILUX_TGN26 RM000003VA900KX.html |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | HILUX_TGN26 RM000003VA800LX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Sound of portable player cannot be heard from speakers, or sound is low. | Proceed to "Sound of Portable Player cannot be Heard from Speakers or Sound is Low" | HILUX_TGN26 RM000003VC500LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Portable player does not play even after "Bluetooth" audio mode is selected. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | HILUX_TGN26 RM000003VA700LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Portable player does not play. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | HILUX_TGN26 RM000003VA700LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Track information such as track number, track name and elapsed play time is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | HILUX_TGN26 RM000003VC600LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Operation switches for portable player such as play, pause, repeat, random and scan are not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | HILUX_TGN26 RM000003VC600LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Battery condition of portable player is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | HILUX_TGN26 RM000003VC600LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| "Bluetooth" signal condition is not displayed. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | HILUX_TGN26 RM000003VC600LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Portable player cannot pause, select file, fast forward, fast rewind, random play or scan. | Proceed to "Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device" | HILUX_TGN26 RM000003VC600LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Noise occurs or sound skips when portable player plays. | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | HILUX_TGN26 RM000003VC700LX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Registered device cannot be deleted. | Proceed to "Registered Device cannot be Deleted" | HILUX_TGN26 RM000003VC400KX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html |
| Symptom | Suspected Area | See page |
| USB audio sound cannot be heard or sound quality is bad (stereo jack is used). | Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0DPX.html |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF025X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| USB device or "iPod" is not recognized. | Proceed to "USB Audio System Recognition/Play Error" | HILUX_TGN26 RM000003YYX0CCX.html |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0DPX.html | |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF025X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Track information such as track, artist and album names are not displayed. | Proceed to "USB Audio System Recognition/Play Error" | HILUX_TGN26 RM000003YYX0CCX.html |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0DPX.html | |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF025X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| USB device or "iPod" is recognized but cannot play, or can play but not in a sorted order. | Proceed to "USB Audio System Recognition/Play Error" | HILUX_TGN26 RM000003YYX0CCX.html |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0DPX.html | |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF025X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| USB device or "iPod" cannot charge. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400EX.html |
| Proceed to "USB Device or "iPod" cannot Charge" | HILUX_TGN26 RM0000043OH00MX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L003X.html | |
| Album cover art cannot be displayed. | Check that display cover art on the "iPod" Settings screen is set to on | - |
| Check that a JPEG file is used for the cover art | - |