Toyota Tacoma (2015-2018) Service Manual: Navigation System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Lost Communication with Meter (B1324)
- LVDS Signal Malfunction (from Extension Module) (B1532,B156C)
- HD Radio Tuner Malfunction (B1551,B15A0,B15AD,B15B0,B15B3,B15B4,B15B7)
- Extension Module Malfunction (B1552,B158A,B15BA)
- USB Media Malfunction (B1585)
- SD Card Communication Malfunction (B158C)
- AV Signal Stoppage (Low Battery Voltage) (B158F)
- Stereo Component Amplifier Malfunction (B15A3)
- Short in GPS Antenna (B15C0,B15C1)
- Speed Signal Malfunction (B15C2)
- 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)
- Speaker Output Short (B15C3)
- Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164)
- Stereo Component Amplifier Disconnected (B15D3)
- 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
- Traffic Information is not Displayed
- 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
- Display does not Dim when Light Control Switch is Turned ON
- Illumination for Panel Switch does not Come on with Tail Switch ON
- Panel Switches do not Function
- Screen Flicker or Color Distortion
- Touch Panel Switch does not Function
- Poor Sound Quality in All Modes (Low Volume)
- Vehicle Position Mark Deviates Greatly
- Cursor or Map Rotates when Vehicle Stopped
- GPS Mark is not Displayed
- Voice Guidance does not Function
- Route cannot be Calculated
- Voice is not Recognized
- Cellular Phone Registration Failure, Phone Directory Transfer Failure
- Cellular Phone cannot Send/Receive
- Confirm Cellular Phone Functionality
- Confirm Vehicle Headunit 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
- Steering Pad Switch Circuit
- Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
- Illumination Circuit
- Parking Brake Switch Circuit
- Speaker Circuit
- Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier
- Data Signal Circuit between Stereo Jack Adapter and Extension Module
- Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
- Data Signal Circuit between Navigation Receiver Assembly and Extension Module
- Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier
- AVC-LAN Circuit
- Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter
- Microphone Circuit between Microphone and Radio Receiver
- Radio Receiver Power Source Circuit
- Stereo Component Amplifier Power Source Circuit
Navigation Receiver
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT CLUSTER CENTER FINISH PANEL SUB-ASSEMBLY
(See page )
2. REMOVE NAVIGATION RECEIVER ASS ...
Precaution
PRECAUTION
1. The navigation system uses an SD card containing data such as map data.
Text in Illustration
*a
SD Card
2. Precaution for removing the SD card
NOT ...
Other materials:
Transfer Shift Motor Control Circuit Circuit Open (P17A8)
DESCRIPTION
This DTC is output when an open circuit in the transfer shift motor drive circuit
is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17A8
Transfer Shift Motor Control Circuit Circuit Open
...
Installation
INSTALLATION
PROCEDURE
1. SET NO. 1 CYLINDER TO TDC/COMPRESSION
2. INSTALL CAMSHAFT TIMING GEAR BOLT
NOTICE:
There are different types of camshaft timing gearbolts. Make sure to check the
identification mark todetermine the tightening torque.
*a
Identification Mark ...
Occupant Classification ECU Malfunction (B1795)
DESCRIPTION
DTC B1795 is set when a malfunction is detected in the occupant detection ECU.
Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present.
DTC No.
DTC Detections Conditions
Trouble Areas
B1795
Occupant detection ...
