SECURITY LIGHT: 13

The key ID number data cannot be read.

DTC: B1600/P1260

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

STEP

INSPECTION

ACTION

1

VERIFY DTC

• Is B1600/P1260 displayed?

Yes

Go to Step 3.

No

Go to the next step.

2

VERIFY DTC

• Is B2431/P1260 displayed?

Yes

Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B2431/P1260”.

(See SECURITY LIGHT 13, DTC B2431/P1260 [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 displayed again?

Yes

Replace the coil antenna, then go to Step 6.

(See COIL ANTENNA REMOVAL/INSTALLATION [KEYLESS ENTRY SYSTEM].)

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 displayed again?

Yes

Replace the coil antenna, then go to the next step.

(See COIL ANTENNA REMOVAL/INSTALLATION [KEYLESS ENTRY SYSTEM].)

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.