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 RM000003RL400GX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Black screen (no image appears on navigation/audio screen). | Proceed to "Black Screen" | HILUX_TGN26 RM0000020RR0FEX.html |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000000PNJ0F1X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Display does not dim (night screen) with tail switch. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Power does not turn off (screen remains on). | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Panel switches do not function. | Proceed to "Panel Switches do not Function" | HILUX_TGN26 RM000000PN80GNX.html |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Touch panel switch does not function. | Proceed to "Touch Panel Switch does not Function" | HILUX_TGN26 RM000000PN80GNX.html |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Screen is distorted. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Screen flicker or color distortion. | Proceed to "Screen Flicker or Color Distortion" | HILUX_TGN26 RM000000POJ0JRX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Navigation function switches can be operated while vehicle running. | Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000002UD7086X.html |
| Symptom | Suspected Area | See page |
| SD card cannot be inserted. | Check the SD card slot | - |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| SD card cannot be ejected. | Check the SD card slot | - |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Vehicle position mark deviates greatly. | Proceed to "Vehicle Position Mark Deviates Greatly" | HILUX_TGN26 RM000000POE0F8X.html |
| Replace navigation antenna assembly*1 | HILUX_TGN26 RM000003O1I006X.html | |
| Replace instrument panel integration antenna assembly*2 | Refer to Service Bulletin | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Cursor or map rotates when vehicle is stopped. | Proceed to "Cursor or Map Rotates when Vehicle is Stopped" | HILUX_TGN26 RM000000POD0DSX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Vehicle position mark is not updated. | Proceed to "Vehicle Position Mark is not Updated" | HILUX_TGN26 RM000000POC0EDX.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Current position display does not appear. | Proceed to "Current Position Display does not Appear" | HILUX_TGN26 RM000000POF0BSX.html |
| SD card (map data) | - | |
| Replace navigation antenna assembly*1 | HILUX_TGN26 RM000003O1I006X.html | |
| Replace instrument panel integration antenna assembly*2 | Refer to Service Bulletin | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| GPS mark is not displayed. | Proceed to "GPS Mark is not Displayed" | HILUX_TGN26 RM000000PN60FIX.html |
| Replace navigation antenna assembly*1 | HILUX_TGN26 RM000003O1I006X.html | |
| Replace instrument panel integration antenna assembly*2 | Refer to Service Bulletin | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Voice guidance does not function. | Proceed to "Voice Guidance does not Function" | HILUX_TGN26 RM000000PNM0F4X.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Map display is incomplete. | Proceed to "Map Display Incomplete" | HILUX_TGN26 RM000000POG0CNX.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Route cannot be calculated. | Proceed to "Route cannot be Calculated" | HILUX_TGN26 RM000000PNN0FQX.html |
| SD card (map data) | - | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Speed signal does not change in navigation check mode. | Proceed to "Vehicle Speed Signal Circuit" | HILUX_TGN26 RM000002UD7086X.html |
| Reverse signal does not change in navigation check mode. | Proceed to "Reverse Signal Circuit" | HILUX_TGN26 RM000003YLU00YX.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 RM0000020N807PX.html |
| Proceed to "Speaker Circuit" | HILUX_TGN26 RM000001XJI074X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Radio broadcast cannot be received or poor reception. | Proceed to "Radio Broadcast cannot be Received or Poor Reception" | HILUX_TGN26 RM0000012CN0KIX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM0000020N4075X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| CD cannot be ejected. | Proceed to "CD cannot be Ejected" | HILUX_TGN26 RM0000020N506YX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| CD sound skips. | Proceed to "CD Sound Skips" | HILUX_TGN26 RM0000020N3077X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Abnormal noise occurs. | Proceed to "Noise Occurs" | HILUX_TGN26 RM000000NL50N1X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM0000012CB0H6X.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 RM000001ZYU0FSX.html |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF02CX.html | |
| Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000001ZYU0FSX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html |
| Symptom | Suspected Area | See page |
| The system cannot be operated by the steering pad switch. | Proceed to "Steering Pad Switch Circuit" | HILUX_TGN26 RM0000012CK0F8X.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Illumination for steering pad switch does not come on with tail switch on. | Proceed to "Illumination Circuit" | HILUX_TGN26 RM0000012CG0INX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM0000011FD0LWX.html |
| Cellular phone cannot send/receive. | Proceed to "Cellular Phone cannot Send/Receive" | HILUX_TGN26 RM000000POK0MNX.html |
| Proceed to "Steering Pad Switch Circuit" | HILUX_TGN26 RM0000012CK0F8X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Cannot call in a certain place. | Proceed to "Cannot Call in a Certain Place" | HILUX_TGN26 RM000000PO90FYX.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 RM0000014SU0PNX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM0000014SV0POX.html |
| Proceed to "Microphone Circuit between Microphone and Navigation Receiver Assembly" | HILUX_TGN26 RM000003V7I00TX.html | |
| Replace map light assembly | HILUX_TGN26 RM000003YO900RX.html | |
| Replace telephone microphone assembly | HILUX_TGN26 RM000002LJJ028X.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html |
| Symptom | Suspected Area | See page |
| Portable player cannot be registered. | Proceed to "Portable Player cannot be Registered" | HILUX_TGN26 RM000003VC600NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Portable player cannot be connected manually/automatically. | Proceed to "Portable Player cannot be Registered" | HILUX_TGN26 RM000003VA900MX.html |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | HILUX_TGN26 RM000003VA800NX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VA900MX.html |
| Proceed to "Portable Player cannot be Connected Manually/Automatically" | HILUX_TGN26 RM000003VA800NX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VC500NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VA700NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Portable player does not play. | Proceed to "Does not Play even after Bluetooth Audio Mode is Selected" | HILUX_TGN26 RM000003VA700NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VC600NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VC600NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VC600NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VC600NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003VC600NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Noise occurs or sound skips when portable player plays. | Proceed to "Noise Occurs or Sound Skips when Portable Player Plays" | HILUX_TGN26 RM000003VC700NX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Registered device cannot be deleted. | Proceed to "Registered Device cannot be Deleted" | HILUX_TGN26 RM000003VC400MX.html |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000001ZYU0FSX.html |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF02CX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| USB device or "iPod" is not recognized. | Proceed to "USB Audio System Recognition/Play Error" | HILUX_TGN26 RM000003YYX0EVX.html |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0FSX.html | |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF02CX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| Track information such as track, artist and album names are not displayed. | Proceed to "USB Audio System Recognition/Play Error" | HILUX_TGN26 RM000003YYX0EVX.html |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0FSX.html | |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF02CX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 RM000003YYX0EVX.html |
| Proceed to "Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter" | HILUX_TGN26 RM000001ZYU0FSX.html | |
| Replace No. 1 stereo jack adapter assembly | HILUX_TGN26 RM000003AWF02CX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.html | |
| USB device or "iPod" cannot charge. | Proceed to "Navigation Receiver Assembly Power Source Circuit" | HILUX_TGN26 RM000003RL400GX.html |
| Proceed to "USB Device or "iPod" cannot Charge" | HILUX_TGN26 RM0000043OH00OX.html | |
| Replace navigation receiver assembly | HILUX_TGN26 RM000003O1L006X.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 | - |