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:
Rear Differential Lock Solenoid Circuit High (P17C1)
DESCRIPTION
This DTC is output when a malfunction is detected due to a battery short occurring
in the differential lock coil drive circuit of the rear differential.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C1
...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH
(See page
)
2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG
(See page
)
3. ...
Terminals Of Ecu
TERMINALS OF ECU
1. NAVIGATION RECEIVER ASSEMBLY
Terminal No. (Symbols)
Wiring Color
Terminal Description
Condition
Specified Condition
N19-3 (ACC2) - N24-7 (GND1)*3
Y - W-B
Power source (ACC)
...
