ENGINE IMMOBILISER SYSTEM (w/ Entry and Start System) DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
If a trouble code is output during the DTC check, check the circuit listed for that code in the table below. Then proceed to the "See page" below.
| DTC Code | Detection Item | Trouble Area | See page |
|---|---|---|---|
| B2784 | Antenna Coil Open / Short | - Certification ECU (smart key ECU) - Engine switch |
|
| B278A | Short to GND in Immobiliser System Power Source Circuit | - Harness or connector - Engine switch - Certification ECU (smart key ECU) |
|
| B2790 | ID BOX EEPROM Malfunction | ID code box |
Tech Tips
The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the hybrid control system.
| DTC Code | Detection Item | Trouble Area | See page |
|---|---|---|---|
| B2799 | Engine Immobiliser System Malfunction | - Harness or connector - ECM - ID code box (immobiliser code ECU) |
|
| B279A | Theft Deterrent System Communication Line High Fixation | - Harness or connector - ECM - ID code box (immobiliser code ECU) |
|
| B279C | Theft Deterrent System Presence Detection | ECM |