Toyota Tacoma (2015-2018) Service Manual: Audio And Visual System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Diagnostic Trouble Code Chart
- Lost Communication with Meter (B1324)
- LVDS Signal Malfunction (from Extension Module) (B1532)
- HD Radio Tuner Malfunction (B1551,B158D,B15A0,B15B0,B15B3,B15B4,B15B7)
- Extension Module Malfunction (B1552,B158A,B15BA)
- USB Device Malfunction (B1585)
- AV Signal Stoppage (Low Battery Voltage) (B158F)
- Short in GPS Antenna (B15C0,B15C1)
- Speaker Output Short (B15C3)
- A/C 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)
- XM Tuner Antenna Disconnected (B15FE,B15FF)
- Sending Malfunction (Navigation to APGS) (U0073,U0100,U0140,U0155)
- Voice Recognition Microphone Disconnected (B1579)
- Satellite Radio Broadcast cannot be Received
- Satellite Radio Broadcast cannot be Selected or After Selecting Broadcast, Broadcast cannot be Added into Memory
- Noise Occurs
- No Sound can be Heard from Speakers
- Sound Quality is Bad Only when CD is Played (Volume is Too Low)
- CD cannot be Ejected
- CD cannot be Inserted / Played or CD is Ejected Right After Insertion
- CD 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
- Touch Panel Switch does not Function
- Screen Flicker or Color Distortion
- Poor Sound Quality in All Modes (Low Volume)
- Voice Guidance does not Function
- Voice is not Recognized
- Cellular Phone Registration Failure
- Cellular Phone Inspection
- Confirm Cellular Phone Functionality
- 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
- Black Screen
- Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
- Steering Pad Switch Circuit
- Illumination Circuit
- Parking Brake Switch Circuit
- Speaker Circuit
- Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
- Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
- Data Signal Circuit between Radio Receiver and Extension Module
- Microphone Circuit between Microphone and Radio Receiver
- Radio Receiver Power Source Circuit
Amplifier Box Speaker Assembly
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnectin ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are u ...
Other materials:
Installation
INSTALLATION
PROCEDURE
1. INSTALL OCCUPANT DETECTION ECU
(a) Check that the ignition switch is OFF.
(b) Check that the cable is disconnected from the battery negative (-) terminal
is disconnected.
CAUTION:
After removing the cable from the terminal, wait for at least 90 seconds before
star ...
While Alarm is Armed, Engine Hood is opened but Alarm does not Sound
DESCRIPTION
A situation in which the alarm is armed but does not sound when the hood is opened
can be caused when the main body ECU (multiplex network body ECU) cannot detect
whether the hood courtesy switch is open or closed.
If the alarm does not sound, there may be a malfunction in the hood ...
Stop Light Switch OFF Stuck Malfunction (C1426)
DESCRIPTION
The skid control ECU (brake actuator assembly) inputs the stop light signal and
brake operation condition. When the brake pedal is depressed and the stop light
switch signal is not input, C1426 is output.
DTC No.
Detection Item
DTC Detection Conditi ...
