Toyota Tacoma (2015-2018) Service Manual: Multiplex Communication
- Lin Communication System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Terminals Of Ecu
- Data List / Active Test
- Diagnosis System
- Dtc Check / Clear
- Communication Malfunction between ECUs Connected by LIN (B2785)
- No Response from Steering Lock ECU (B2786)
- Diagnostic Trouble Code Chart
- Sliding Roof ECU Communication Stop (B1273)
- Driver Side Door ECU Communication Stop (B2321)
- LIN Communication Bus Malfunction (B2325)
- P/W Master Switch Communication Stop (B1206)
- Lost Communication with Power Source Control (B278C)
- Front Passenger Side Door ECU Communication Stop (B2322)
Network Gateway Ecu
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL NETWORK GATEWAY ECU
(a) Install the network gateway ECU with the bolt.
Torque:
3.0 N·m {31 kgf·cm, 2 ...
Other materials:
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle's ECU uses the ISO 9141-2 for communication protocol. The terminal
arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format.
Symbols (Terminal No.)
Terminal Description
Condition
...
Check Mode Procedure
CHECK MODE PROCEDURE
1. DESCRIPTION
(a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions
that normal mode cannot detect. Check mode can also detect all the malfunctions
that normal mode can detect. In check mode, DTCs are detected with 1 trip detection
logic.
...
Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) Whenever a lane departure alert system is stored, the forward recognition
camera stores the current vehicle state (ECU and sensor information) as Freeze Frame
Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch ...
