TM

U1000 CAN COMM CIRCUIT





Description
Real time communication is performed between each control unit such as TCM, ECM, combination meter, or others. Information is shared and linked between other control units. Each system is optimally controlled according to driving conditions of the vehicle.
In CAN (Controller Area Network) communication, 2 control units are connected via 2 communication lines
(CAN-H and CAN-L) allowing a high rate of information transmission via less wiring. Each control unit transmits/receives data but selectively reads required data only.




DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.
- GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Start the engine.
2. Maintain idling state for 2 seconds or more.
3. Select "Self Diagnostic Results" in "TRANSMISSION".
With GST
Follow the procedure "With CONSULT-III".
Is "U1000" detected?
YES - Go to TM.
NO - INSPECTION END




Diagnosis Procedure
Go to CAN System Specification Chart.