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:
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On
Board Diagnostics) checks. The OBD system monitors the operation of the emission
control system.
■ If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emiss ...
High Power Supply Voltage Malfunction (C1417)
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU
(housed in the master cylinder solenoid) stores this DTC and the fail-safe function
prohibits ABS/VSC/TRAC operation.
This DTC is stored when the IG1 terminal voltage deviates from the DTC detection
co ...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
