DTC

Security light flashing pattern

15

PCM received incorrect ID number from key (transponder)

M-MDS display

Keyless control module

-

Instrument cluster

B1601

PCM

P1260

POSSIBLE CAUSE

• No keys have been registered after installation of new instrument cluster

• Unregistered key detected

• Attempt made to register a ninth key

  NOTE:

  • A maximum of only eight keys can be registered for a single vehicle.

• Defective keyless control module

• Defective instrument cluster

STEP

INSPECTION

ACTION

1

• Check following PID/DATA monitor using M-MDS.

• NUMKEYS

• Is NUMKEYS displayed more than 2?

Yes

Go to next step.

No

Go to Step 3.

2

• Check following PID/DATA monitor using M-MDS.

• NUMKEYS

• Is NUMKEYS displayed more than 8?

Yes

• Erase key ID number using M-MDS and register key ID number.

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

• Go to next step.

No

Go to next step.

3

• Using M-MDS register an additional key.

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

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

• Does M-MDS indicate DTC -/B1601/P1260 again?

Yes

Replace keyless control module, then go to the next step.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS SYSTEM])

No

DTC troubleshooting completed.

4

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

• Security light: 15

• M-MDS: -/B1601/P1260

Yes

Replace instrument cluster and reprogram immobilizer system.

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

No

DTC troubleshooting completed.