CAN Communication System

DIAGNOSTIC TROUBLE CODE CHART

1. 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.

U0121/94 - U0126/63:

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 above 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 above table. Then check the parts to be replaced, by referring to the table.