SYSTEM DIAGRAM
|
Transmitting ECU (Transmitter) |
Receiving ECU |
Signal |
Communication Method |
|---|---|---|---|
|
Skid control ECU |
Steering angle sensor |
Steering angle sensor request signal |
CAN communication system |
|
Steering angle sensor |
Skid control ECU |
Steering angle sensor signal |
CAN communication system |
|
Skid control ECU |
Yaw rate and acceleration sensor |
Yaw rate and acceleration request signal |
CAN communication system |
|
Yaw rate and acceleration sensor |
Skid control ECU |
Yaw rate and acceleration signal |
CAN communication system |
|
Skid control ECU |
ECM |
|
CAN communication system |
|
ECM |
Skid control ECU |
|
CAN communication system |
|
Skid control ECU |
Power steering ECU |
Target additional torque signal |
CAN communication system |
|
Power steering ECU |
Skid control ECU |
Electronic power steering cooperative control enabling signal |
CAN communication system |
|
Main body ECU |
Skid control ECU |
Parking brake switch signal |
CAN communication system |
|
Skid control ECU |
Combination meter |
|
CAN communication system |
System Description
How To Proceed With TroubleshootingDisassembly
DISASSEMBLY
PROCEDURE
1. REMOVE TAIL AND STOP LIGHT BULB
(a) Turn the tail and stop light bulb and the rear combination light
socket and wire in the direction indicated by the arrow shown in the illustration,
and remove them as a unit.
...
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC No.
DTC Detection Condition
Trouble Area
B278A
Engine switch power source supply line is ope ...
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 bec ...