Toyota Tacoma (2015-2018) Service Manual: System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
(a) A maximum of 3 kinds of transmitter code based systems (example: garage doors, gates and entry gates) can be registered with the vehicle's garage door opener. After registration, the vehicle's garage door opener can mimic the signal of the transmitter systems and the original transmitters of each transmitter system are not needed.
System Diagram
SYSTEM DIAGRAM
...
Registration
REGISTRATION
PROCEDURE
1. REGISTER TRANSMITTER CODE
HINT:
The vehicle's garage door opener records transmitter codes for systems
such as garage doors, gates, entry gates, door lock ...
Other materials:
Lost Communication with ECM / PCM "A" (U0100,U0122)
DESCRIPTION
This DTC is output when communication is lost with the skid control ECU (brake
actuator assembly) or ECM.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM " ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FOR COOLANT LEAK
HINT:
The sliding surface inside the engine water pump assembly is lubricated
by engine coolant. As some engine coolant is discharged during normal operation,
engine coolant residue (solids) may be found on the drain plu ...
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 ...
