DTC B2793: Transponder Chip Malfunction; DTC B2794: Unmatched Encryption Code; DTC B2797: Communication Malfunction No. 1; DTC B2798: Communication Malfunction No. 2: Procedure
- CLEAR DTC
- Clear the DTCs. Refer to DTC CHECK / CLEAR .
NEXT: Go to next step
- CHECK FOR DTC
- Check for DTCs using all registered keys. Refer to DTC CHECK / CLEAR
.
HINT:
If a DTC is stored, check for DTCs with the next key after clearing the DTCs.
OK
DTC B2793, B2974, B2797 or B2798 is not output.
RESULTResult Proceed to OK A NG (all keys) B NG (any key) C
B → See step 4
C → REPLACE KEY THAT CANNOT START ENGINE
A → See step 3
- Check for DTCs using all registered keys. Refer to DTC CHECK / CLEAR
.
- USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
- REPLACE TRANSPONDER KEY ECU ASSEMBLY. Refer to REMOVAL