Diagnosis System

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM

DIAGNOSIS SYSTEM

1. BUS CHECK
(a) Select "CAN Bus Check" front the "System Select".
2. DTC TABLE BY ECU
HINT:
- In the CAN communication system, CAN communication system DTCs can be displayed by the ECU using the Techstream.
- If CAN communication system DTCs are output, the trouble cannot be determined only by the DTCs. Perform troubleshooting according to "HOW TO PROCEED WITH TROUBLESHOOTING" How to Proceed With Troubleshooting.

(a) ECM
HINT: The ECM is connected to the CAN communication system.





HINT: The ECM is malfunctioning if U0001 is output alone. Replace the ECM.

(b) Skid control ECU
HINT: DTC communication uses the SIL line.





(c) GATEWAY ECU
HINT: The gateway ECU is connected to the CAN communication system but CAN communication DTCs are not output.

3. DTC COMBINATION TABLE





HINT: o: Output
a�: Outputs under the following condition
X: Not output

(a) Perform troubleshooting according to the combination of DTCs output.
HINT:
- ECM COMMUNICATION STOP MODE ECM Communication Stop Mode
- GATEWAY ECU COMMUNICATION STOP MODE Gateway ECU Communication Stop Mode
- TRANSLATE ECU COMMUNICATION STOP MODE Translate ECU Communication Stop Mode