PARTS LOCATION
ILLUSTRATION

Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are u ...
Related Tacoma materials
Gauges and meters
The following gauges, meters and displays illuminate when the engine switch is
in the ON position.
Tachometer
Displays the engine speed in revolutions per minute.
Speedometer
Displays the vehicle speed.
Engine coolant temperature gauge
Displays the engine coolant temperature.
Fuel gauge
...
Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION
These DTCs are stored when a communication malfunction occurs between ECUs that
perform pre-collision system control.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM ...
Lost Communication with ECM/PCM "A" Missing Message (U010087)
DESCRIPTION
The engine control unit and the transmission control unit are located inside
the ECM. The engine control unit intercommunicates with the transmission control
unit with the Controller Area Network (CAN).
If there is a problem in this intercommunication, the ECM stores a DTC.
...
