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:
Communication Error from VSC to ECM (P1630)
DESCRIPTION
The skid control ECU (brake actuator assembly) sends signals such as cruise control
cancel signals and brake demand response signals to the ECM when the dynamic radar
cruise control system is operating.
DTC No.
Detection Item
DTC Detection Condition ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Put matchmarks on the steering intermediate shaft assembly and steering main
shaft assembly.
(b) Remove the bolt and steering intermediate shaft assembly.
2. REMOVE UPPER STEERING COLUMN BRACKET WITH SWITCH ASSEMBLY (w ...
Certification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key
ECU assembly) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The certification ECU (smart key ECU assembly) controls the smart key system
related items that are ...
