SECURITY LIGHT: 15

The instrument cluster has detected unregistered key ID number.

DTC: B1601/P1260

DETECTION CONDITION

• The instrument cluster has detected unregistered key ID number.

POSSIBLE CAUSE

• No keys have been registered after replacing the instrument cluster.

• Unregistered key used

• Attempt made to register a ninth key

• Instrument cluster malfunction

STEP

INSPECTION

ACTION

1

VERIFY NUMBER OF REGISTERED KEYS

• Using the M-MDS, perform the PID/data monitor inspection and confirm the number of registered keys.

  (See PID/DATA MONITOR TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].)

• Are one or more keys registered?

Yes

Go to the next step.

No

Go to Step 3.

2

VERIFY NUMBER OF REGISTERED KEYS

• Using the M-MDS, perform the PID/data monitor inspection and confirm the number of registered keys.

  (See PID/DATA MONITOR TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].)

• Are eight keys registered?

Yes

Using the M-MDS, clear the key ID numbers as necessary, then go to the next step.

No

Go to the next step.

3

INSPECT INSTRUMENT CLUSTER

• Using the M-MDS, register the key ID number.

  (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.

• Is the DTC displayed again?

• Security light: 15

• M-MDS: B1601/P1260

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.