Toyota Tacoma (2015-2018) Service Manual: System Description
SYSTEM DESCRIPTION
1. SYSTEM DESCRIPTION
(a) The Electronic Controlled Automatic Transmission (ECT) is an automatic transmission that has its shift timing electronically controlled by the ECM. The ECM detects electrical signals that indicate engine and driving conditions, and controls the shift point, based on driver's habits and road conditions. As a result, fuel efficiency and transmission performance are improved.
Shift shock has been reduced by controlling the engine and transmission simultaneously.
In addition, the ECT has features such as:
- Diagnostic function.
- Fail-safe function for use when a malfunction occurs.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The ECM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no tro ...
System Diagram
SYSTEM DIAGRAM
The configuration of the electronic control system in the AC60E automatic transmission
is as shown in the following chart.
...
Other materials:
Input Speed Sensor Circuit No Signal (P0717,P07BF,P07C0)
DESCRIPTION
This sensor detects the rotation speed of the turbine which shows the input turbine
speed of the transmission. By comparing the input turbine speed signal (NT) with
the output shaft speed sensor signal (SP2), the ECM detects the shift timing of
the gears and appropriately controls ...
Hazard Warning Switch Circuit
DESCRIPTION
The combination meter assembly receives information signals from the telltale
light assembly (hazard warning signal switch).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedur ...
Components
COMPONENTS
ILLUSTRATION
*A
w/ Rear Seat Assembly
*B
w/o Rear Seat Assembly
*1
BACK PANEL GARNISH HOLE PLUG
*2
BACK PANEL TRIM
*3
NO. 3 ROOM PARTITION COVER
*4
...
