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:
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 2 ANTENNA CORD SUB-ASSEMBLY
(a) Using hot-melt glue, install the No. 2 antenna cord sub-assembly as shown
in the illustration.
2. INSTALL NO. 1 ROOF WIRE (w/ Vanity Light)
(a) w/ EC Mirror:
(1) Align the aiming tape as shown in the illustration.
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
Techstream can be used in steps 3, 6, 9 and 12.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
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Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial
Data) Invalid (B279986)
DESCRIPTION
When there are communication malfunctions between the ECM and certification ECU
(smart key ECU assembly), or when the communication ID codes do not match, the ECM
stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output C ...
