Toyota Tacoma (2015-2018) Service Manual: How To Troubleshoot Ecu Controlled Systems

Introduction

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General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in the TOYOTA TACOMA. In general, ECU controlled systems are considered to be very intricate, requiring a high lev ...

Other materials:

Open in Bus 2 Main Bus Line
DESCRIPTION There may be an open circuit in one of the CAN main bus lines and/or a central gateway ECU (network gateway ECU) branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Detection It ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL FRONT DOOR GLASS OUTER WEATHERSTRIP ASSEMBLY (a) Engage the 5 claws to install the front door glass outer ...

Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION When the communication line (IMI - EFIO) between the ECM and certification ECU (smart key ECU assembly) is stuck high, the ECM stores this DTC. DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation ...