Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Theft Deterrent System is not Unset when Engine is Running

Toyota Tacoma 2015-2018 Service Manual / Theft Deterrent / Theft Deterrent System / Theft Deterrent System is not Unset when Engine is Running

DESCRIPTION

The theft deterrent system is unset when the IG signal and engine speed signal are input to the main body ECU (multiplex network body ECU) for 2 seconds or more continuously.

The engine speed signal is sent from the ECM to the main body ECU (multiplex network body ECU). For this reason, if there is an abnormality in an ECU or wire harness, the system may not function correctly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration (See page ).*1
    • *1: w/ Smart Key System
  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Replace the main body ECU (multiplex network body ECU) with a new one (See page ).

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Theft Deterrent System cannot be Set or Unset
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Other materials:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT SPEEDOMETER (a) Check speedometer operation. NOTICE: The meter ECU receives the vehicle speed signal from the skid control ECU via CAN communication. Therefore, perform the following inspection referring to values on the Data List of th ...

Horn System
Parts Location PARTS LOCATION ILLUSTRATION Precaution PRECAUTION 1. IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Exp ...

Removal
REMOVAL PROCEDURE 1. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning System) (See page ) 2. REMOVE INTEGRATION PANEL SUB-ASSEMBLY (for Manual Cooler System) (See page ) 3. REMOVE TRANSFER POSITION SWITCH (a) Detach the 2 claws to remove the transfer pos ...

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