Toyota Tacoma (2015-2018) Service Manual: Theft Deterrent System
- Parts Location
- Precaution
- Customize Parameters
- How To Proceed With Troubleshooting
- System Description
- System Diagram
- Diagnosis System
- Problem Symptoms Table
- Terminals Of Ecu
- Data List / Active Test
- Theft Deterrent System cannot be Set or Unset
- Theft Deterrent System is not Unset when Engine is Running
- Theft Deterrent System Unexpectedly Sets Itself
- Some Alarm Functions do not Operate
- While Alarm is Armed, Battery is Reconnected but Alarm does not Sound
- While Alarm is Armed, Engine Hood is opened but Alarm does not Sound
Security Horn Assembly
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT SECURITY HORN ASSEMBLY
(a) Check the operation.
(1) Apply battery voltage and check operation o ...
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
Other materials:
Power Source Mode does not Change to ON (IG and ACC)
DESCRIPTION
If any of the following operations are performed, the certification ECU (smart
key ECU assembly) receives a signal, and changes the power source mode.
With the electrical key transmitter sub-assembly in the cabin, the engine
switch is pressed.
When the battery of the e ...
Detecting Vehicle Submersion (B2277)
DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit
in the certification ECU (smart key ECU assembly) is detected.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal,
the power source mode returns to the state it w ...
Lost Communication with Power Source Control (B278C)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
B278C
An internal malfunction occurs in the certification ECU (smart key ECU
assembly)
Certification ECU (smart key ECU assembly)
CAUTI ...
