Toyota Tacoma (2015-2018) Service Manual: Starter
Power Source Mode does not Change to ON (ACC)
DESCRIPTION
If the engine switch is pressed with the electrical key transmitter sub-assembly
in the cabin, the certification ECU (smart key ECU assembly) receives a signal and
changes the power s ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
...
Other materials:
System Diagram
SYSTEM DIAGRAM
HINT:
Each tire pressure warning valve and transmitter sends its transmitter ID, temperature
and tire pressure information to the tire pressure warning ECU and receiver.
Transmitting ECU (Transmitter)
Receiving ECU
Signal
Communicat ...
Cellular Phone Registration Failure, Phone Directory Transfer Failure
PROCEDURE
1.
CHECK OPERATION
(a) Place the cellular phone close to the navigation receiver assembly.
(b) Check if the cellular phone can be registered.
OK:
The cellular phone can be registered.
OK
NORMAL OPERATION
...
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 ...
