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:
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 |
- |
- |
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) |
- |
- |
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 ...
Brake Switch "A" Circuit Open (P057113)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
MIL
Note
P057113
Vehicle Condition:
Cruise control operating
Malfunction Status:
Stop light switch assembly circuit malfunction ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE MILLIMETER WAVE RADAR WIRE (w/ Toyota Safety Sense P)
Click here
2. REMOVE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Toyota Safety Sense P)
Click here
3. REMOVE NO. 1 RADIATOR GRILLE GARNISH
(a) When Replacing the No. 1 Radiator Grille Garnish:
(1) Apply p ...