How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Use this procedure to troubleshoot the multiplex communication system.
- VEHICLE BROUGHT TO WORKSHOP
NEXT: Go to next step
- CHECK FOR DTC
- Check for DTCs and note any codes that are output.
- Delete the DTC.
- Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.
Result
Result Proceed to DTC does not reoccur A DTC reoccurs B B → Go to 4 step 4
A: Go to next step
- OVERALL ANALYSIS AND TROUBLESHOOTING
- Terminals of ECU. Refer to TERMINALS OF ECU .
NEXT: Go to next step
- Terminals of ECU. Refer to TERMINALS OF ECU .
- ADJUST, REPAIR OR REPLACE
NEXT: Go to next step
- CONFIRMATION TEST
NEXT → END