DTC B2784: Antenna Coil Open / Short [10/2014 - 10/2015]: Description
When an open or short circuit is detected in the transponder key amplifier coil built into the power switch, the certification ECU (smart key ECU assembly) stores this DTC. This DTC is also stored as a past DTC.
| DTC Code | DTC Detection Condition | Trouble Area | DTC Output Confirmation Operation |
|---|---|---|---|
| B2784 | The transponder key amplifier coil built into the power switch is open (see below) or shorted (determined by communication with certification ECU (smart key ECU assembly)) (1 trip detection logic*).
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With the shift lever in P and the key held near the power switch, a hybrid control system start operation is performed by pressing and holding the power switch when the transmitter battery is depleted. |
- *: 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 when transmitter battery is depleted by holding key near power switch and pressing and holding power switch with shift lever in P | - |
RELATED DATA LIST AND ACTIVE TEST
| DTC Code | Data List and Active Test |
|---|---|
| B2784 | - |