DTC B2799: Engine Immobilizer System Malfunction [10/2014 - ]: Description
When there are communication malfunctions between the ECM and certification ECU (smart key ECU assembly), or when the communication ID codes do not match, the ECM stores this DTC.
| DTC Code |
DTC Detection Condition |
Trouble Area |
DTC Output Confirmation Operation |
| B2799 |
Either condition is met (1 trip detection logic*):
- A malfunction in the communication or communication lines between the ECM and certification ECU (smart key ECU assembly).
- A matching communication code cannot be verified during communication between the ECM and certification ECU (smart key ECU assembly).
|
- Certification ECU (smart key ECU assembly)
- ECM
- Wire harness or connector
|
Either condition is met:
- 10 seconds after a engine start operation (with the shift lever in P and the brake pedal depressed, the engine switch is pressed while carrying the key). If there is a malfunction, the engine does not start (communication begins within 3 seconds of the engine start operation, and DTCs are stored after 6 seconds).
- 10 seconds after the engine switch is turned on (IG) after reconnecting the cable to the negative (-) battery terminal (communication begins within 3 seconds of the engine switch being turned on (IG), and DTCs are stored after 6 seconds).
|
- *: Only output while a malfunction is present.
VEHICLE CONDITION AND FAIL-SAFE OPERATION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected |
Fail-safe Operation when Malfunction Detected |
| Engine cannot be started |
- |
RELATED DATA LIST AND ACTIVE TEST
| DTC Code |
Data List and Active Test |
| B2799 |
- |