Toyota Camry (XV70): System Diagram
SYSTEM DIAGRAM
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|
Transmitting ECU (Transmitter) |
Receiving ECU | Signal |
Communication Method |
|---|---|---|---|
|
Skid control ECU (brake actuator assembly) |
Steering angle sensor | Steering angle sensor request signal |
CAN communication line |
|
Steering angle sensor |
Skid control ECU (brake actuator assembly) |
Steering angle sensor signal |
CAN communication line |
|
Skid control ECU (brake actuator assembly) |
Yaw rate and acceleration sensor (airbag sensor assembly) |
Yaw rate and acceleration request signal |
CAN communication line |
|
Yaw rate and acceleration sensor (airbag sensor assembly) |
Skid control ECU (brake actuator assembly) |
Yaw rate and acceleration signal |
CAN communication line |
|
Skid control ECU (brake actuator assembly) |
ECM |
| CAN communication line |
|
ECM | Skid control ECU (brake actuator assembly) |
| CAN communication line |
|
Skid control ECU (brake actuator assembly) |
Power steering ECU (rack and pinion power steering gear assembly) |
| CAN communication line |
|
Main body ECU (multiplex network body ECU) |
Skid control ECU (brake actuator assembly) |
Parking brake switch assembly signal |
CAN communication line |
|
Skid control ECU (brake actuator assembly) |
Combination meter assembly |
| CAN communication line |
|
Airbag sensor assembly |
Skid control ECU (brake actuator assembly) |
Secondary collision brake request signal |
CAN communication line |
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS (a) Interview
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS
HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using
Calibration
CALIBRATION DESCRIPTION (a) Refer to the table below and then perform the necessary operation according to the part to be replaced in order to perform calibration.
Parts to be Replaced / Operati
SEE MORE:
Wheels
If a wheel is bent, cracked or heavily corroded, it should be
replaced. Otherwise, the tire may separate from the wheel or
cause a loss of handling control.
Wheel selection
When replacing wheels, care should be taken to ensure that they are
equivalent to those removed in load capacity, diameter
Slip Indicator Light Remains ON
DESCRIPTION This procedure is for troubleshooting when the slip indicator light remains on but no DTCs are output.
The skid control ECU (brake actuator assembly) controls the slip indicator light in the combination meter assembly via CAN communication.
The slip indicator light blinks during VSC
