Toyota Tacoma (2015-2018) Service Manual: Engine Immobiliser
- Certification Ecu
- Engine Immobiliser System(w/ Smart Key System)
- Parts Location
- Precaution
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Registration
- Diagnosis System
- Dtc Check / Clear
- Terminals Of Ecu
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Engine Immobiliser System Incorrect Assembly (B279C95)
- Antenna Coil Open / Short (B2784)
- Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
- Malfunction of ID-BOX Recognition (B278D)
- Engine Immobiliser System Circuit Short to Battery (B279A12)
- Short to GND in Immobiliser System Power Source Circuit (B278A)
- Security Indicator Light Does not Blink
- Immobiliser System does not Operate Properly
- Engine Immobiliser System(w/o Smart Key System)
- Parts Location
- Precaution
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Registration
- Diagnosis System
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
- Theft Deterrent System Presence Detection (B279C,B279C95)
- Engine Immobiliser System Malfunction (B2799,B279986)
- Push Switch / Key Unlock Warning Switch Malfunction (B2780)
- Antenna Coil Open / Short (B2784)
- Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
- Engine does not Start because No Initial Combustion
- Engine does not Start but Initial Combustion Occurs
- Key Cannot be Registered
- Security Indicator Light Does not Blink
- Transponder Key Amplifier
- Transponder Key Ecu
Tonneau Cover Assembly
Removal
REMOVAL
PROCEDURE
1. REMOVE TOP COVER SUB-ASSEMBLY
(a) Open the cover.
(b) Remove the bolt and top cover sub-assembly.
2. REMOVE RE ...
Certification Ecu
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Install the certification ECU (smart key ECU assembly) wit ...
Other materials:
ACC Signal Circuit
DESCRIPTION
This circuit detects whether the ignition switch is ACC or off, and sends this
information to the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the fo ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
check ...
If the engine will not start
If the engine still does not start after following the correct starting procedure
(→P. 141) or releasing the steering lock (→P. 142), confirm the following points.
■ The engine will not start even when the starter motor operates normally.
One of the following may be the cause o ...
