CAN Communication System

DIAGNOSTIC TROUBLE CODE CHART

B1207-B1289:

B1297-B2326:

U0182-U1002:

U1100-U1102:

HINT:
- Parameters listed in the chart may be different from measured values depending on the type of instruments used and other factors.
- If any DTCs are displayed during a check mode, check the circuit for the DTCs listed.

NOTE: Only when the DTCs below are output from the main body ECU, proceed to the relevant Trouble Area. If the DTCs are output from the ECUs other than the main body ECU, refer to "HOW TO PROCEED WITH TROUBLESHOOTING" to determine the malfunctioning part.

HINT: When communication with the ECUs connected to the CAN MS bus is interrupted or a malfunction in the CAN MS bus occurs, the main body ECU detects the malfunctions and outputs DTCs.

NOTE: Only when the DTCs are output from the gateway ECU, proceed to the relevant Trouble Area. If the DTCs are output from the ECUs other than the gateway ECU, refer to "HOW TO PROCEED WITH TROUBLESHOOTING" to determine the malfunctioning part.

HINT:
- When communication with the ECUs connected to the CAN No. 2 bus is interrupted or a malfunction in the CAN No. 2 bus occurs, the gateway ECU detects the malfunctions and outputs DTCs.
- If a vehicle is not equipped with any of the following:
dynamic radar cruise control system, AFS, and precollision system, it will not be equipped with a CAN No. 2 main bus.