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:
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Double Cab
*B
for Access Cab
*C
w/ Back Door Power Window
-
-
*1
NO. 1 BACK PANEL RELAY
*2
NO. 2 BACK PANEL RELAY
...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the back sonar or clearance sonar switch assembly on.
(d) Turn the Techstream on.
(e) Enter the following menus: Body Electrical / Intuitive P/A / Trouble Codes.
(f) Check for D ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD II scan
tool (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector
3) of the vehicle. Various data in the vehicle ECM (Engine Control Module) can be
then read.
(b) ...
