SECURITY LIGHT: 13, DTC: B1600/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]SM2445818
SECURITY LIGHT: 13, DTC: B1600/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]

id09021h392300

DTC

Security light flashing pattern

13

The key ID number data cannot be read

M-MDS display

Keyless control module

B1600

PCM

P1260:00
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
• Keyless control module 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 DTC
• Is B1600/P1260:00 displayed?
Yes
Go to Step 3.
No
Go to the next step.
2
VERIFY DTC
• Is B2431/P1260:00 displayed?
Yes
Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B2431/P1260:00”.
(See SECURITY LIGHT: 13, DTC: B2431/P1260:00 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START 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-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
• Using the registered key, turn the ignition switch to the ON position.
• Verify the DTC using the M-MDS.
― Is B1600/P1260:00 displayed again?
Yes
Replace the coil antenna, then go to Step 6.
(See COIL ANTENNA REMOVAL/INSTALLATION.)
No
• Dispose of the malfunctioning key.
• Register a new key if necessary. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND START 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/P1260:00 displayed again?
Yes
Replace the coil antenna, then go to the next step.
(See COIL ANTENNA REMOVAL/INSTALLATION.)
No
• Dispose of the malfunctioning key.
• Register a new key if necessary. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
6
INSPECT KEYLESS CONTROL MODULE
• Using the registered key, turn the ignition switch to the ON position.
― Is B1600/P1260:00 displayed again?
Yes
Replace the keyless control module and perform the resetting procedure for the immobilizer system when replacing the keyless control module.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
(See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [ADVANCED KEYLESS ENTRY AND START SYSTEM].)
No
DTC troubleshooting completed.