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:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT SEAT AIRBAG ASSEMBLY LH (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check (See page
).
(b) With the front seat airbag assembly LH installed on the vehicle, perfor ...
Four Wheel Drive (4WD) Low Switch Circuit Range / Performance (P2772)
DESCRIPTION
This DTC is output when a malfunction in the L4 detection switch is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P2772
Four Wheel Drive (4WD) Low Switch Circuit Range / Performance
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...
