SECURITY LIGHT: 13

Key ID number registration error

DTC: B2431/P1260

DETECTION CONDITION

• Key ID number registration error

POSSIBLE CAUSE

• Errors during key ID number registration procedure

• 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

STEP

INSPECTION

ACTION

1

VERIFY DTC

• Is B2431/P1260 displayed?

Yes

Go to Step 3.

No

Go to the next step.

2

VERIFY DTC

• Is B1600/P1260 displayed?

Yes

Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B1600/P1260”.

(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)

No

Go to the next step.

3

INSPECT INSTRUMENT CLUSTER

• Using the M-MDS, clear the key ID number and re-register it.

  (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)

  NOTE:

  • Two or more keys must be registered to start the engine.

• Using the registered key, turn the ignition switch to the ON position.

• Verify the DTC Using the M-MDS.

• Is B2431/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.