How to Proceed With Troubleshooting

CAN COMMUNICATION SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

NOTICE:
- DTCs for the CAN communication system are as follows: U0073/94, U0100/65, U0123/62, U0124/95, U0126/63.

- Refer to troubleshooting of each system if DTCs regarding the CAN communication system are not output.

1. CHECK AND CLEAR DTCs
NEXT -- Continue to next step.
2. CHECK CAN BUS LINE
NEXT -- Continue to next step.
3. CHECK USING TECHSTREAM
(a) Select "CAN Bus Check" (Diagnosis System)

Result:





B -- COMMUNICATION STOP MODE TABLE
C -- CHECK FOR AN OPEN IN ONE SIDE OF THE CAN BUS LINE
A -- Continue to next step.
4. DTC COMBINATION TABLE
(a) Confirm trouble according to the combination of output DTCs regarding the CAN communication system.

HINT: Previous CAN communication system DTCs may be the cause if CAN communication system DTCs are output and all ECUs and sensors connected to the CAN communication system are displayed on the Techstream "CAN Bus Check" screen.

NEXT -- Continue to next step.
5. CIRCUIT INSPECTION
NEXT -- Continue to next step.
6. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.
7. REPAIR OR REPLACE
NEXT -- Continue to next step.
8. CONFIRMATION TEST
NEXT -- END