Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Navigation System
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Customize Parameters
- System Description
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Dtc Check / Clear
- Freeze Frame Data
- 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)
- Operation Check
- 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)
- GPS Antenna Connection Malfunction(short) (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,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
- Disc cannot be Inserted or is Ejected Right After Insertion
- Sound Quality is Bad Only when Disc is Played (Volume is Too Low)
- Disc cannot be Ejected
- CD/DVD Sound Skips
- Illumination for Panel Switch does not Come on with Tail Switch ON
- Radio Broadcast cannot be Received or Poor Reception
- Display does not Dim when Light Control Switch is Turned ON
- Panel Switches do not Function
- Touch Panel Switch does not Function
- 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
- 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
- Remote Touch Screen Does not Generate Vibration Feedback
- Stereo Jack Adapter Light does not Illuminate
- Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat
- Switch Lights of Remote Touch do not Illuminate
- 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
- Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
- Speaker Circuit
- 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
- Radio Receiver Power Source Circuit
- Visual Mute Signal Circuit between Radio Receiver and Multi-display
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during nav ...
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE:
After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Shift Paddle Switch: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during shift paddle switch (transmission shift switch assembly) removal/installation are shown below. Necessary ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Heated Steering Wheel System: Steering Wheel does not Heat Up When Heated Steering Wheel Switch is Pressed
DESCRIPTION Click here WIRING DIAGRAM CAUTION / NOTICE / HINT HINT:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
The steering wheel heater unit is built into the steering wheel assembly which cannot be disassembled. Therefore, wh ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
© 2025 Copyright www.lexusrx.net
0.0238
0.0238