SECURITY LIGHT: 13, DTC: B1600/P1260/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

id0902e5001800

SECURITY LIGHT: 13 | The key ID number data cannot be read
DTC: B1600/P1260/P1260:00
DETECTION CONDITION | The key ID number data cannot be read
POSSIBLE CAUSE | • No transponder in the key • Transponder malfunction (key ID number is not output) • Coil antenna malfunction • Instrument cluster malfunction • Any of the following items are touching or near the key head ― Spare keys ― Keys for other vehicles equipped with an immobilizer system ― Any metallic object ― Any electronic device, or any credit or other cards with magnetic strips

Diagnostic Procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY DTC • Is B1600/P1260/P1260:00 displayed? | Yes | Go to Step 3.
No | Go to the next step.
2 | VERIFY DTC • Is B2431/P1260/P1260:00 displayed? | Yes | Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B2431/P1260/P1260:00”. (See SECURITY LIGHT: 13, DTC: B2431/P1260/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].)
No | Go to the next step.
3 | VERIFY WHETHER KEY IS VALID OR NOT • Are there any keys with which the engine can be started, other than the key that is a cause of the displayed DTC? | Yes | Go to Step 5.
No | Go to the next step.
4 | VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA • Using the M-MDS, register an additional key. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].) • Using the registered key, turn the ignition switch to the ON position. • Verify the DTC using the M-MDS. • Is B1600/P1260/P1260:00 displayed again? | Yes | Replace the coil antenna, then go to Step 6. (See COIL ANTENNA REMOVAL/INSTALLATION.)
No | Dispose of the malfunctioning key. Register a new key if necessary. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)
5 | VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA • Using another valid key, turn the ignition switch to the ON position. • Verify the DTC Using the M-MDS. • Is B1600/P1260/P1260:00 displayed again? | Yes | Replace the coil antenna, then go to the next step. (See COIL ANTENNA REMOVAL/INSTALLATION.)
No | Dispose of the malfunctioning key. Register a new key if necessary. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)
6 | INSPECT INSTRUMENT CLUSTER • Using the registered key, turn the ignition switch to the ON position. • Is B1600/P1260 displayed again? | Yes | Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)
No | DTC troubleshooting completed.