DTC B2784: Antenna Coil Open / Short: Description
The antenna coil receives key code signals from the transponder chip in the key grip. The antenna coil is built into the transponder key amplifier, which amplifies the key code signals and outputs the signals to the transponder key ECU assembly.
This DTC is stored when there is an open or short in the antenna coil.
| DTC Code | DTC Detection Condition | Trouble Area | DTC Output Confirmation Operation |
|---|---|---|---|
| B2784 | The antenna coil built into the transponder key amplifier is open or shorted (determined by communication with transponder key ECU assembly) (1 trip detection logic*).
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Insert the key into the ignition key cylinder. |
- *: 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 |
|---|---|
| B2784 | Antenna Coil Status |