Toyota Tacoma (2015-2018) Service Manual: Utility
UTILITY
INITIALIZE THE CONNECTION INFORMATION OF A GATEWAY FUNCTION EQUIPPED ECU (BUS MONITOR ECU)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Central Gateway / Utility / Initialization
(e) Initialize the ECU.
System Description
SYSTEM DESCRIPTION
1. BRIEF DESCRIPTION
(a) The Controller Area Network (CAN) is a serial data communication system for
real time application. It is a vehicle multiplex communication system which ...
Dtc Combination Table
DTC COMBINATION TABLE
HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U)
(a) If a CAN communication error cannot be reproduced, determine the suspected
malfunctioning part using the DTCs ...
Other materials:
Room Oscillator does not Recognize Key
DESCRIPTION
If code verification cannot be performed in the vehicle interior, there may be
problems with the communication between the vehicle (indoor electrical key antenna
assembly (front floor) or (rear floor)) and electrical key transmitter sub-assembly,
or the certification ECU (smart ke ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing an ignition coil assembly or
spark plug (See page ).
PROCEDURE
1. PERFORM SPARK TEST
(a) Check for DTCs (See page ).
NOTICE:
If any DTC is output, perform the troubleshooting p ...
Lost Communication with Power Source Control (B278C)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
B278C
An internal malfunction occurs in the certification ECU (smart key ECU
assembly)
Certification ECU (smart key ECU assembly)
CAUTI ...
