DTC B2784: Antenna Coil Open / Short [10/2014 - ]: Description
When an open or short circuit is detected in the transponder key amplifier coil built into the engine 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 engine 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 engine switch, an engine start operation is performed by pressing and holding the engine switch when the key 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 |
|---|---|
| Engine cannot be started when key battery is depleted by holding key near engine switch and pressing and holding engine switch with shift lever in P | - |
RELATED DATA LIST AND ACTIVE TEST
| DTC Code | Data List and Active Test |
|---|---|
| B2784 | - |