Toyota Avalon (XX50): Navigation System(for Gasoline Model)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Seat: Seat Heater System(for Hv Model)
Lost Communication with Front Seat Temperature Adjustment Switch LIN (B14B5) DESCRIPTION The seat heater switch (radio and display receiver assembly) communicates with the air conditioning amplifier assembly via LIN communication. If the LIN communication system is malfunctioning, the air conditioni ...

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

Toyota Avalon (XX50): Navigation System(for Gasoline Model)

"No GPS signal" mark is displayed. AVC-LAN Circuit. Stereo Component Amplifier Malfunction (B15A3)

Navigation Processor Malfunction (B15AD). GPS Antenna Connection Malfunction(short) (B15C0,B15C1). Speed Signal Malfunction (B15C2)

Speaker Output Short (B15C3)

Stereo Component Amplifier Disconnected (B15D3). 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

XM Tuner Antenna Disconnected (B15FE,B15FF). GVIF Disconnected (from Extension Module to H/U) (B153A). AV Signal Stoppage (Low Battery Voltage) (B158F)

Lost Communication with Meter (B1324,B1325)

Extension Module Disconnected 2 (B1543). HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B7,B15BA,B15F9). Extension Module Malfunction 2 (B1556)

Voice Recognition Microphone Disconnected (B1579). USB Device Malfunction (B1585). Black Screen

Camera ECU Malfunction (C1610). Cellular Phone Inspection. Cellular Phone Registration Failure

Cursor or Map Rotates when Vehicle Stopped. Data List / Active Test. Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

Diagnostic Trouble Code Chart. Display does not Dim when Light Control Switch is Turned ON. Does not Play even after Bluetooth Audio Mode is Selected

Dtc Check / Clear. Freeze Frame Data. How To Proceed With Troubleshooting

Illumination Circuit. Illumination for Panel Switch does not Come on with Tail Switch ON. Microphone Circuit

Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier. Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver. No Sound can be Heard from Speakers

Noise Occurs or Sound Skips when Portable Player Plays. Noise Occurs. Operation Check

Panel Switches do not Function. Parking Brake Switch Circuit. Parts Location

Poor Sound Quality in All Modes (Low Volume). Portable Player cannot be Connected Manually/Automatically. Portable Player cannot be Registered

Precaution. Problem Symptoms Table. Radio Broadcast cannot be Received or Poor Reception

Radio Receiver Power Source Circuit. Registered Device cannot be Deleted. Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

Reverse Signal Circuit. Route cannot be Calculated. Satellite Radio Broadcast cannot be Received

Screen Flicker or Color Distortion. Sound of Portable Player cannot be Heard from Speakers or Sound is Low. Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier

Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter. Speaker Circuit. Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

Steering Pad Switch Circuit. System Description. System Diagram

Terminals Of Ecu

Touch Panel Switch does not Function. USB Audio System Recognition/Play Error. Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter

Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter. Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier. Voice Guidance does not Function

Voice is not Recognized. Weather and traffic information cannot be obtained

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual