Toyota Tacoma (2015-2018) Service Manual: System Description
SYSTEM DESCRIPTION
1. LIN COMMUNICATION SYSTEM DESCRIPTION
The LIN communication system is used for communication between the components in the tables below. If communication cannot be performed through LIN communication because of an open in the communication lines or other reasons, the master control ECU of the relevant system will store a DTC. Refer to the table below about the communication bus lines and connected components.
HINT:
- Each component has a fail-safe function which activates to maintain the minimum performance of the system and protect the system.
- In the following table, "â—‹" indicates that the function applies, and "-" indicates that it does not.
|
Component |
Master Control |
LIN Communication DTC Output Function |
|---|---|---|
|
Main Body ECU (Multiplex Network Body ECU) |
â—‹ |
â—‹ |
|
Front Power Window Regulator Motor Assembly LH*1 |
- |
- |
|
Front Power Window Regulator Motor Assembly RH*1 |
- |
- |
|
Power Window Regulator Master Switch Assembly*1 |
- |
- |
|
Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly)*2 |
- |
- |
- *1: w/ Jam Protection Function
- *2: w/ Sliding Roof
|
Component |
Master Control |
LIN Communication DTC Output Function |
|---|---|---|
|
Certification ECU (Smart Key ECU Assembly) |
â—‹ |
â—‹ |
|
Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly) |
- |
- |
Parts Location
PARTS LOCATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...
System Diagram
SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)
...
Other materials:
Components
COMPONENTS
ILLUSTRATION
*A
for Double Cab
*B
for Access Cab
*1
AUTO HIGH BEAM SWITCH
*2
COWL SIDE TRIM BOARD LH
*3
FRONT DOOR SCUFF PLATE LH
*4
HOOD LOC ...
Clutch Switch Circuit
DESCRIPTION
While depressing the clutch pedal, the clutch start switch assembly sends a signal
to terminal MTN of the 4 wheel drive control ECU. While the signal is input, switching
between H4 and L4 is possible.
WIRING DIAGRAM
PROCEDURE
1.
READ VALUE USING TECHSTREA ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR DIFFERENTIAL DRIVE PINION BEARING SPACER
(a) Install a new front differential drive pinion bearing spacer.
HINT:
Make sure the front differential drive pinion bearing spacer is installed correctly.
2. INSTALL DIFFERENTIAL OIL STORAGE RING
(a) Using a bra ...
