Toyota Tacoma (2015-2018) Service Manual: System Diagram

System Description

SYSTEM DESCRIPTION 1. FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (a) General Description (1) The front passenger occupant detection ECU determines whether the front passenger seat is occupied ...

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 fo ...

Other materials:

Lost Communication with Alternator Missing Message (P161A87)
DESCRIPTION The ECM communicates with the generator assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC. DTC No. DTC Detection Condition Trouble Area P161A87 Generator assembly or ECM commu ...

Entry Interior Alarm does not Sound
DESCRIPTION The smart key system (for Entry Function) uses the buzzer in the combination meter assembly to perform various vehicle interior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the com ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE FOG LIGHT BULB (a) Turn the fog light bulb in the direction indicated by the arrow in the illust ...