DTC

Security light flashing pattern

14

PCM received invalid format of ID number from transponder

M-MDS display

Keyless control module

-

Instrument cluster

B1602

PCM

P1260

POSSIBLE CAUSE

• Defective transponder in the key

• Defective coil antenna

• Defective PCM

• Defective keyless control module

• 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

• Using any other valid key, turn ignition switch to ON position.

• If there are no other valid keys, then register an additional key using M-MDS and turn ignition switch to ON position.

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

• Does M-MDS indicate DTC -/B1602 again?

Yes

Replace coil antenna, then go to next step.

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

No

• Dispose of defective key.

• Duplicate key if necessary.

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

2

• Turn the ignition switch to the ON position.

• Is the DTC displayed?

• Security light: 14

• M-MDS: -/B1602/P1260

Yes

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

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

No

DTC troubleshooting completed.