ENGINE IMMOBILISER SYSTEM (w/o Entry and Start System) DIAGNOSTIC TROUBLE CODE CHART
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 - Unlock warning switch - 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 - Key - Harness or connector - Transponder key amplifier |
|
| B2797 | Communication Malfunction No. 1 | - Key - Harness or connector - Transponder key ECU - 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 (for ZR series engine) or ECD system (for AD series engine).
| DTC Code | Detection Item | Trouble Area | See page |
|---|---|---|---|
| B2799 | Engine Immobiliser System Malfunction | - Harness or connector - Transponder key ECU - ECM |
|
| B279A | Theft Deterrent System Communication Line High Fixation | - Harness or connector - Transponder key ECU - ECM |
|
| B279C | Theft Deterrent System Presence Detection | ECM |