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:
Check Bus 5 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resi ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Method
Power window regulator master switch assembly*1
Main Body ECU (Multiplex Network Body ECU)
Door control switch signal
...
4WD ECU Malfunction (P163B)
DESCRIPTION
This DTC is output when a malfunction is detected in the 4 wheel drive control
ECU internal circuit.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P163B
4WD ECU Malfunction
Dia ...
