Multiplex 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 no short circuit, short to +B or short to ground in the CAN main bus lines, and then perform troubleshooting according to the DTC combination table.

U0073/94-U0126/63:

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

HINT:
- U0073/94, U0123/62, U0124/95 and U0126/63 are the DTCs in the CAN communication system.
- The above table shows combinations of these DTCs.
- 0....DTCs that are being output.
- -....DTCs that are not being output.




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