CAN Communication System

DIAGNOSTIC TROUBLE CODE CHART

DTC COMBINATION TABLE

NOTE: Complete "CHECK CAN BUS LINE", to confirm that there is no disconnection in the CAN main bus lines and there is short circuit, short to +B or short to ground in CAN main bus lines, and then perform troubleshooting according to the DTC combination table.




a. Confirm the trouble mode according to the combination of output DTCs.

HINT:
- U0121/94, U0123/62, U0124/95 and U0126/63 are the DTCs in the CAN communication system.
- The table shows combinations of these DTCs.
- DTCs that are being output.
- DTCs that are not being output.




b. Confirm the trouble mode by referring to the table. Then check the parts to be replaced and proceed by referring to the table.