How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- 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.
- CHECK AND CLEAR DTCs
- CHECK CAN BUS LINE
- CHECK USING INTELLIGENT TESTER VIA CAN VIM
- Select "BUS CHECK" (See DIAGNOSIS SYSTEM
)
Result:
RESULT REFERENCEA All ECUs and sensors connected to the CAN communication system are displayed. B All ECU or sensor not connected to the CAN communication system is displayed. C A few ECUs or sensors not connected to the CAN communication system are displayed.
B: COMMUNICATION STOP MODE TABLE
C: CHECK FOR AN OPEN IN ONE SIDE OF THE CAN BUS LINE
A: Go to Next Step
- Select "BUS CHECK" (See DIAGNOSIS SYSTEM
)
- DTC COMBINATION TABLE
- 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 intelligent tester's "BUS CHECK" screen via the CAN VIM.
- Confirm trouble according to the combination of output DTCs regarding the CAN communication system.
- CIRCUIT INSPECTION
- IDENTIFICATION OF PROBLEM
- REPAIR OR REPLACE
- CONFIRMATION TEST
END