Engine Controls

DTC U1010 CAN COMMUNICATION





Description
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul- tiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.




On Board Diagnosis Logic
This self-diagnosis has the one trip detection logic (A/T, CVT).
The MIL will not light up for this self-diagnosis (M/T).









DTC Confirmation Procedure
1. Turn ignition switch ON.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to "Diagnosis Procedure" below.




Diagnosis Procedure
1.INSPECTION START
1. Erase DTC.
2. Perform DTC Confirmation Procedure.

3. Is the 1st trip DTC U1010 displayed again?
Yes or No
Yes >> GO TO 2.
No >> INSPECTION END
2.REPLACE ECM
1. Replace ECM.
2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to Programming and Relearning.
3. Perform Up to VIn #386333.
4. Perform Up to VIn #386333.
5. Perform Up to VIn #386333.
6. Perform Up to VIn #386333.
>> INSPECTION END