SECURITY LIGHT: 14, DTC B1602/P1260

id0902e4903500

SECURITY LIGHT: 14

The keyless unit cannot read key ID number data normally.

DTC: B1602/P1260

DETECTION CONDITION

•  The keyless unit cannot read key ID number data normally.

POSSIBLE CAUSE

•  Transponder (key) malfunction

•  Coil malfunction

•  Keyless unit 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

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

VERIFY WHETHER KEY IS VALID OR NOT

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

•  If there is not another registered key, register an additional key using the WDS or equivalent and turn the ignition key to the ON position using the registered key.
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

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

•  Is the DTC displayed again?

―  SECURITY LIGHT: 14

―  WDS or equivalent: B1602/P1260

Yes

Replace the coil, then go to the next step.

(See COIL REMOVAL/INSTALLATION.)

No

•  Dispose of the malfunctioning key.

•  Register a new key if necessary.
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

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

2

INSPECT KEYLESS UNIT

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

•  Is the DTC displayed again?

―  SECURITY LIGHT: 14

―  WDS or equivalent: B1602/P1260

Yes

Replace the keyless unit and perform procedures for when replacing the keyless unit only.

(See KEYLESS UNIT REMOVAL/INSTALLATION.)

(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

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

No

DTC troubleshooting completed.

SECURITY LIGHT: 14	The keyless unit cannot read key ID number data normally.
DTC: B1602/P1260	The keyless unit cannot read key ID number data normally.
DETECTION CONDITION	• The keyless unit cannot read key ID number data normally.
POSSIBLE CAUSE	• Transponder (key) malfunction • Coil malfunction • Keyless unit 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
POSSIBLE CAUSE

STEP	INSPECTION		ACTION
1	VERIFY WHETHER KEY IS VALID OR NOT • Using another registered key, turn the ignition switch to the ON position. • If there is not another registered key, register an additional key using the WDS or equivalent and turn the ignition key to the ON position using the registered key. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS SYSTEM].) • Is the DTC displayed again? ― SECURITY LIGHT: 14 ― WDS or equivalent: B1602/P1260	Yes	Replace the coil, then go to the next step. (See COIL REMOVAL/INSTALLATION.)
1		No	• Dispose of the malfunctioning key. • Register a new key if necessary. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS SYSTEM].)
2	INSPECT KEYLESS UNIT • Using another registered key, turn the ignition switch to the ON position. • Is the DTC displayed again? ― SECURITY LIGHT: 14 ― WDS or equivalent: B1602/P1260	Yes	Replace the keyless unit and perform procedures for when replacing the keyless unit only. (See KEYLESS UNIT REMOVAL/INSTALLATION.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [ADVANCED KEYLESS SYSTEM].)
2		No	DTC troubleshooting completed.