Toyota Tacoma (2015-2018) Service Manual: 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) with the 2 nuts.
Torque:
6.5 N·m {66 kgf·cm, 58 in·lbf}
(b) Engage the clamp to install the wire harness.
(c) Connect the 3 connectors.
2. INSTALL INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY
(See page .gif)
)
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL LOWER FINISH PANEL SUB-ASSEMBLY
(See page .gif)
)
2. REMOVE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
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(a) Disconnect the 3 connectors. |
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(b) Disengage the clamp to separate the wire harness.
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(c) Remove the 2 nuts and certification ECU (smart key ECU assembly). |
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Other materials:
Open in Driver Side Electrical Antenna Circuit (B27A1)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the front door outside handle assembly LH [electrical key
antenna] at intervals of 0.25 seconds. For the front door outside handle assembly
LH [electrical key antenna] to detect w ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Line
Certification ECU
(Smart Key ECU Assembly)
Main Body ECU
(Multiplex Network Body ECU)
...
Theft Deterrent System Unexpectedly Sets Itself
DESCRIPTION
A situation in which the theft deterrent system unexpectedly sets itself can
be caused when the main body ECU (multiplex network body ECU) cannot detect whether
a door is open or closed.
If the theft deterrent system unexpectedly sets itself, there may be a malfunction
in a court ...
