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:
Communication Malfunction between ECUs Connected by LIN (B2785)
DESCRIPTION
The certification ECU (smart key ECU assembly) monitors communication between
all the ECUs connected to the certification bus lines. When the certification ECU
(smart key ECU assembly) detects errors in communication with all the ECUs connected
to the certification bus lines at a ...
Lost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0126,U0129,U0142,U0155)
DESCRIPTION
When a malfunction is detected between various ECUs and sensors, these DTCs are
stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM "A"
...
No Sound can be Heard from Speakers
PROCEDURE
1.
CHECK AUDIO SETTINGS
(a) In sound output setting mode, set volume, fader and balance to the initial
values and check that the sound is normal.
OK:
Audio system returns to normal.
HINT:
Sound quality adjustment measures vary according to the type ...
