Tech Tips
If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.
| DTC Code | Detection Item | Trouble Area | See page |
|---|---|---|---|
| B2780 | Push Switch / Key Unlock Warning Switch Malfunction | - Transponder key ECU assembly - Unlock warning switch assembly - Harness or connector |
|
| B2784 | Antenna Coil Open / Short | Transponder key amplifier | |
| B2793 | Transponder Chip Malfunction | Key | |
| B2794 | Unmatched Encryption Code | Key | |
| B2795 | Unmatched Key Code | Key | |
| B2796 | No Communication in Immobiliser System | - Transponder key ECU assembly - Key - Harness or connector - Transponder key amplifier |
|
| B2797 | Communication Malfunction No. 1 | - Transponder key ECU assembly - Key - Harness or connector - Transponder key amplifier |
|
| B2798 | Communication Malfunction No. 2 | Key |
Tech Tips
The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the SFI system or ECD system.
| DTC Code | Detection Item | Trouble Area | See page |
|---|---|---|---|
| B2799 | Engine Immobiliser System Malfunction | - Harness or connector - Transponder key ECU assembly - ECM |
|
| B279A* | Theft Deterrent System Communication Line High Fixation | - Harness or connector - Transponder key ECU assembly - ECM |
|
| B279C* | Theft Deterrent System Presence Detection | ECM |
*: except 5L-E