DTC B2782: Power Source Control ECU Malfunction [11/2015 - ]: Description
The certification ECU (smart key ECU assembly) has a power source mode switching function.
This DTC is stored when the IGE input (the steering lock motor activation permission signal) sent directly from the certification ECU (smart key ECU assembly) to the steering lock ECU is determined to be abnormal.
HINT:
The steering lock ECU is not connected to the CAN communication system. However, the steering lock ECU is connected to the certification ECU (smart key ECU assembly) via LIN communication and communicates with other components via CAN communication through the certification ECU (smart key ECU assembly).
| DTC No. | Detection Condition | Trouble Area | DTC Output Confirmation Operation |
|---|---|---|---|
| B2782 | Either condition is met (1-trip detection logic*):
HINT: If the power supply signal from the LIN communication line does not match the power supply signal from the direct line, the system is determined to be malfunctioning. |
|
Perform a steering lock/unlock operation. (The steering locks when a door is opened with the shift lever in P and the power switch off. The steering unlocks when the power switch is turned on (ACC) or on (IG) while carrying the key.) |
- *: Only output while a malfunction is present and the power switch is on (IG).
VEHICLE CONDITION AND FAIL-SAFE FUNCTION WHEN MALFUNCTION DETECTED
| Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
|---|---|
| The steering cannot be locked or unlocked. For this reason, the hybrid control system cannot be started. | Prohibits the hybrid control system from being started. |
RELATED DATA LIST AND ACTIVE TEST ITEMS
| DTC No. | Data List Item | Active Test Item |
|---|---|---|
| B2782 | - | - |