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:
Torque Converter And Drive Plate
InspectionINSPECTION PROCEDURE
1. INSPECT TORQUE CONVERTER ASSEMBLY (a) Inspect the one-way clutch. Press on the splines of the stator with a finger and rotate it. Check that it rotates smoothly when turned clockwise and rotates with difficulty when turned counterclockwise.
Diffic
Precaution
PRECAUTION INITIALIZATION
NOTICE:
Before replacing the ECM, refer to Registration.
Click here
Perform Registration (VIN registration) after replacing the ECM.
Click here
Perform Learning Value Reset and Idle Learning after replacing or servicing parts related to engine operation
