Lexus NX: Navigation System
Lexus NX Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Lost Communication with Haptic Device (B1323-B1326)
- NTSC Disconnected (from Park Assist/Monitoring ECU) (B1535,C1622)
- GVIF Disconnected (from Extension Module to H/U) (B153A)
- Extension Module Disconnected 2 (B1543)
- HD Radio Tuner Malfunction (B1551,B15A0,B15B3,B15B5,B15B7,B15BA,B15F9)
- Extension Module Malfunction 2 (B1556)
- Touch Pad Sensor Malfunction (B1559)
- Touch Pad Vibration Driver Malfunction (B155A)
- Touch Pad Memory Module Malfunction (B155B)
- GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) (B1574)
- GVIF Disconnected (from EMV/MM Integrated Device to Multi Display) (B1575)
- Voice Recognition Microphone Disconnected (B1579)
- USB Device Malfunction (B1585)
- AV Signal Stoppage (Low Battery Voltage) (B158F)
- Stereo Component Amplifier Malfunction (B15A3)
- Display Malfunction (B15A6,B15B0)
- Navigation Processor Malfunction (B15AD)
- Short in GPS Antenna (B15C0,B15C1)
- Speed Signal Malfunction (B15C2)
- Speaker Output Short (B15C3)
- MOST Communication Malfunction (B15D0)
- Stereo Component Amplifier Disconnected (B15D3)
- Display Disconnected (B15D6)
- Telematics Transceiver Disconnected (B15DB)
- Air Conditioner ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
- Main Body ECU Vehicle Information Reading/Writing Process Malfunction (B15F6)
- Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
- D-Seat ECU Vehicle Information Reading/Writing Process Malfunction (B15F8)
- XM Tuner Antenna Disconnected (B15FE,B15FF)
- Camera ECU Malfunction (C1610)
- Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164,U0198,U023B,U0265,U0293,U1110)
- Satellite Radio Broadcast cannot be Received
- Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory
- Weather and traffic information cannot be obtained
- Noise Occurs
- No Sound can be Heard from Speakers
- Sound Quality is Bad Only when Disc is Played (Volume is Too Low)
- Disc cannot be Inserted or is Ejected Right After Insertion
- Disc cannot be Ejected
- CD/DVD Sound Skips
- Radio Broadcast cannot be Received or Poor Reception
- Illumination for Panel Switch does not Come on with Tail Switch ON
- Display does not Dim when Light Control Switch is Turned ON
- Panel Switches do not Function
- Screen Flicker or Color Distortion
- Poor Sound Quality in All Modes (Low Volume)
- Cursor or Map Rotates when Vehicle Stopped
- "No GPS signal" mark is displayed
- Voice Guidance does not Function
- Route cannot be Calculated
- Voice is not Recognized
- Cellular Phone Registration Failure
- Cellular Phone Inspection
- Sound of Portable Player cannot be Heard from Speakers or Sound is Low
- Does not Play even after Bluetooth Audio Mode is Selected
- Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device
- Noise Occurs or Sound Skips when Portable Player Plays
- Portable Player cannot be Connected Manually/Automatically
- Registered Device cannot be Deleted
- Portable Player cannot be Registered
- USB Audio System Recognition/Play Error
- Stereo Jack Adapter Light does not Illuminate
- Remote Touch Screen Does not Generate Vibration Feedback
- Switch Lights of Remote Touch do not Illuminate
- Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat
- Switch Operation of Remote Touch not Accepted
- Pointer Displayed/not Displayed Repeatedly
- Pointer not Displayed on Screen or Pointer does not Move
- Black Screen
- Steering Pad Switch Circuit
- Illumination Circuit
- Speaker Circuit
- Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
- Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
- Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver
- AVC-LAN Circuit
- Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
- Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter
- Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU
- Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU
- Microphone Circuit
- Visual Mute Signal Circuit between Radio Receiver and Multi-display
- Radio Receiver Power Source Circuit
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the power switch is turned off, the radio receiver assembly records various types of memory and set
Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Parking Assist Monitor System *B w/ Panoramic View Monitor System *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.1 FU
System Diagram
SYSTEM DIAGRAM
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Disassembly
DISASSEMBLY PROCEDURE 1. PRECAUTION NOTICE:
Be sure to read Precaution thoroughly before servicing.
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Do not reuse parts which have reduced fastening ability due to thread damage.
When installing components, make sure that the wire harness is not pinched or pulled.
Do not use sol
Terminals Of Ecu
TERMINALS OF ECU CHECK FORWARD RECOGNITION CAMERA NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed. (a) Measure the voltage and resistance according to the value(s) in the
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