Toyota Tacoma (2015-2018) Service Manual: System Diagram
SYSTEM DIAGRAM
|
Transmitting ECU (Transmitter) |
Receiving ECU |
Signal |
Communication Method |
|---|---|---|---|
|
4 wheel drive control ECU |
Skid control ECU (Brake actuator assembly) |
|
CAN communication system |
|
Skid control ECU (Brake actuator assembly) |
4 wheel drive control ECU |
|
CAN communication system |
|
4 wheel drive control ECU |
Combination meter assembly |
|
CAN communication system |
- *: for 4WD
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
(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 us ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure listed to troubleshoot the differential
system (w/ Differential Lock).
*: Use the Techstream.
PROCEDURE
1 ...
Other materials:
Light Sensor Circuit Malfunction (B1244)
DESCRIPTION
This DTC is output when a failure of the automatic light control sensor circuit
is detected.
DTC Code
DTC Detection Condition
Trouble Area
B1244
When either condition below is met:
Malfunction of light sensor ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
TRAC OFF Indicator Light Remains ON
DESCRIPTION
In 2WD mode:
Operation of the VSC OFF switch changes the vehicle between normal mode,
TRAC OFF mode (AUTO LSD mode) and VSC OFF mode. During normal mode, pressing
the VSC OFF switch for a short amount of time changes the vehicle to TRAC
OFF mode (AUTO LSD mode), TR ...
