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:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND DRIVER SIDE JUNCTION BLOCK (a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block (See page ). (b) Disconnect the 1D driver side junction block connector. (c) Measure the voltag ...

Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION The millimeter wave radar sensor assembly and ECM communicate with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. DTC No. Detection Item ...

System Description
SYSTEM DESCRIPTION 1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION (a) The power door lock system locks/unlocks all the doors. The main body ECU (multiplex network body ECU) receives lock/unlock request signals from a door control switch or the driver door key lock and unlock switch. Then, the ...