SECURITY LIGHT: 13, DTC: B2431/P1260/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

id0902e5001900

SECURITY LIGHT: 13

Key ID number registration error

DTC: B2431/P1260/P1260:00

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

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

VERIFY DTC

•  Is B2431/P1260/P1260:00 displayed?

Yes

Go to Step 3.

No

Go to the next step.

2

VERIFY DTC

•  Is B1600/P1260/P1260:00 displayed?

Yes

Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B1600/P1260/P1260:00”.

(See SECURITY LIGHT: 13, DTC: B1600/P1260/P1260:00 [IMMOBILIZER SYSTEM (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/P1260:00 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.

SECURITY LIGHT: 13	Key ID number registration error
DTC: B2431/P1260/P1260:00	Key ID number registration error
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
POSSIBLE CAUSE

STEP	INSPECTION		ACTION
1	VERIFY DTC • Is B2431/P1260/P1260:00 displayed?	Yes	Go to Step 3.
1	VERIFY DTC • Is B2431/P1260/P1260:00 displayed?	No	Go to the next step.
2	VERIFY DTC • Is B1600/P1260/P1260:00 displayed?	Yes	Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B1600/P1260/P1260:00”. (See SECURITY LIGHT: 13, DTC: B1600/P1260/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].)
2	VERIFY DTC • Is B1600/P1260/P1260:00 displayed?	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/P1260:00 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].)
3		No	DTC troubleshooting completed.