B2798

DTC B2796 No Communication in Immobiliser System
DTC B2798 Communication Malfunction NO.2

DESCRIPTION

DTC Detection Condition:

- DTC B2796 is output when a key is inserted into the ignition key cylinder but no communication occurs between the key and transponder key ECU.
- DTC B2798 is output when a key is inserted into the ignition key cylinder but a communication error occurs between the key and transponder key ECU.

Wiring Diagram:

Step 1-3:

Step 4-6:

Step 6(Continued)-7:

INSPECTION PROCEDURE

HINT: When the transponder key ECU is replaced, reregister the ECU - ECM communication ID.