DTC B2799: Engine Immobilizer System Malfunction [02/2014 - 11/2016]: Description
When there is a communication malfunction between the power management control ECU and certification ECU (smart key ECU assembly), or when the communication ID codes do not match, the power management control ECU stores this DTC.
| DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
| B2799 |
Engine Immobilizer System Malfunction |
Either condition is met (1 trip detection logic*):
- A malfunction in the communication or communication lines between the power management control ECU and certification ECU (smart key ECU assembly).
- A matching communication code cannot be verified during communication between the power management control ECU and certification ECU (smart key ECU assembly).
|
- Certification ECU (smart key ECU assembly)
- Power management control ECU
- Wire harness or connector
|
DTC output confirmation operation (Either condition is met):
- Within 10 seconds of a hybrid control system start operation being performed (with the shift lever in P and the brake pedal depressed, the power switch is pressed while the electrical key transmitter sub-assembly is being carried). If there is a malfunction, the hybrid control system stops (communication begins within 3 seconds of the hybrid control system start operation being performed, and DTCs are stored after 6 seconds).
- 10 seconds after the power switch is turned on (IG) after reconnecting the cable to the negative (-) auxiliary battery terminal (communication begins within 3 seconds of the power 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 |
| Hybrid control system cannot be started |
- |
RELATED DATA LIST AND ACTIVE TEST
| DTC No. |
Data List and Active Test |
| B2799 |
- |